What color is #2A331B?

#2A331B is a very dark, muted green. In RGB it is rgb(42, 51, 27), and in HSL hsl(83, 31%, 15%).

Is #2A331B accessible as text?

On white, #2A331B has a contrast ratio of 13.23:1 (passes WCAG AA for body text); on black it is 1.59:1 (fails). For text placed on #2A331B, use white for the best readability.

What is the closest Tailwind color to #2A331B?

The nearest Tailwind CSS token is olive-800 (#2B2B22).

What colors go well with #2A331B?

#2A331B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #231A32. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #2A331B below.

Is #2A331B good for buttons?

#2A331B works well for buttons and highlights, but use white text on #2A331B — black text only reaches 1.59:1, below the 4.5:1 needed for normal-size labels.

Is #2A331B the same as CSS darkslategray?

No — #2A331B is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#2A331B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2A331B

Not just a swatch — here's how #2A331B works with other colors. Named schemes with #2A331B in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #2A331B Secondary #4F6B39 Accent #AF6A00 Surface #EFE9D6 Anchor #3D2F21

Sacramento Green leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Vintage Leather Lead · 5 colors

Lead #2A331B Secondary #764D1D Surface #E6DBC0 Accent #3D513F Anchor #5B2324

Sacramento Green plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Japanese Sand Base · 5 colors

Base #2A331B Surface #EEE9DC Highlight #F5F1E7 Secondary #B7B09F Ink #2B2723

Sacramento Green sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Luxury Packaging Feature · 5 colors

Feature #2A331B Anchor #141210 Accent #C3A54B Secondary #262B20 Surface #F2EDE3

Sacramento Green carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #2A331B Secondary #52564D Support #999286 Ink #17140F

Sacramento Green is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Sacramento Green carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #2A331B actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 53/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 31/100

Low

Firm and assertive — carries weight and contrast.

Depth 66/100

High

Deep and grounding — anchors a layout, strong dark-mode base.

Naturalness 57/100

Moderate

Organic, earthy character — at home in wellness, food and craft brands.

Vintage feel 40/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 68/100

High

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 16/100

Very low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 28/100

Low

Weak as an action color — too pale, too dark or too muted to signal.

Surface fit 52/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 91/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #2A331B

For UI

For branding

For interior

For fashion

People also use #2A331B with

Taupe Sacramento Green Graphite Platinum Army Green

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 13.2:1. Use

Subtle surface Use #D6DDCA for cards and hover fills. Tint 80

Avoid beside #21321A — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #2A331B at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

Nov 14 · 8PM

NIGHT
MARKET

Packaging

BLOOM

Botanical Wash

250 ml

Interior

Every model

Export

:root {
  --color-base: #2A331B;
  --color-base-rgb: 42 51 27;
  --color-base-oklch: oklch(30.5% 0.042 125.6);
  --color-50: #F8FAF5;
  --color-100: #ECF1E4;
  --color-200: #D9E3CA;
  --color-300: #BCCCA4;
  --color-400: #9FB37F;
  --color-500: #81965F;
  --color-600: #65744E;
  --color-700: #4A543B;
  --color-800: #323829;
  --color-900: #20231A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  sacramento-green: {
    50: '#F8FAF5',
    100: '#ECF1E4',
    200: '#D9E3CA',
    300: '#BCCCA4',
    400: '#9FB37F',
    500: '#81965F',
    600: '#65744E',
    700: '#4A543B',
    800: '#323829',
    900: '#20231A',
  },
}

$base: #2A331B;
$base-ink: #FFFFFF;
$base-50: #F8FAF5;
$base-100: #ECF1E4;
$base-200: #D9E3CA;
$base-300: #BCCCA4;
$base-400: #9FB37F;
$base-500: #81965F;
$base-600: #65744E;
$base-700: #4A543B;
$base-800: #323829;
$base-900: #20231A;
$base-hover: #212815;
$base-subtle: #C2CDAF;

{
    "color": {
        "base": {
            "value": "#2A331B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F8FAF5",
                "type": "color"
            },
            "100": {
                "value": "#ECF1E4",
                "type": "color"
            },
            "200": {
                "value": "#D9E3CA",
                "type": "color"
            },
            "300": {
                "value": "#BCCCA4",
                "type": "color"
            },
            "400": {
                "value": "#9FB37F",
                "type": "color"
            },
            "500": {
                "value": "#81965F",
                "type": "color"
            },
            "600": {
                "value": "#65744E",
                "type": "color"
            },
            "700": {
                "value": "#4A543B",
                "type": "color"
            },
            "800": {
                "value": "#323829",
                "type": "color"
            },
            "900": {
                "value": "#20231A",
                "type": "color"
            }
        }
    }
}

Palettes built on #2A331B

Color Lab

Pairs with #2A331B

UI roles & guardrails

In real applications

Scales

Every model

Export