What color is #31351A?

#31351A is a very dark, muted lime green. In RGB it is rgb(49, 53, 26), and in HSL hsl(69, 34%, 15%).

Is #31351A accessible as text?

On white, #31351A has a contrast ratio of 12.69:1 (passes WCAG AA for body text); on black it is 1.65:1 (fails). For text placed on #31351A, use white for the best readability.

What is the closest Tailwind color to #31351A?

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

What colors go well with #31351A?

#31351A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #1D1933. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #31351A below.

Is #31351A good for buttons?

#31351A works well for buttons and highlights, but use white text on #31351A — black text only reaches 1.65:1, below the 4.5:1 needed for normal-size labels.

Is #31351A the same as CSS darkslategray?

No — #31351A 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.

#31351A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #31351A

Not just a swatch — here's how #31351A works with other colors. Named schemes with #31351A in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #31351A Secondary #516A38 Accent #B06905 Surface #EFE9D6 Anchor #3D2F21

Bistre 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 #31351A Secondary #774C1E Surface #E7DBC0 Accent #3E513E Anchor #5B2325

Bistre 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 #31351A Surface #EEE9DC Highlight #F6F1E7 Secondary #B8B09F Ink #2B2723

Bistre 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 #31351A Anchor #141210 Accent #C5A44B Secondary #282A1F Surface #F2EDE3

Bistre 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 #31351A Secondary #57594F Support #999186 Ink #17140F

Bistre 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 Bistre carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #31351A 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 55/100

Neutral

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

Softness 32/100

Low

Middle-weight — neither delicate nor heavy.

Depth 65/100

High

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

Naturalness 51/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 44/100

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 17/100

Very low

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

UI accent fit 31/100

Low

Workable accent with care around contrast.

Surface fit 51/100

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 #31351A

For UI

For branding

For interior

For fashion

People also use #31351A 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 12.7:1. Use

Subtle surface Use #DBDEC9 for cards and hover fills. Tint 80

Avoid beside #273319 — 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 #31351A at work across the surfaces designers actually ship.

Website / UI

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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: #31351A;
  --color-base-rgb: 49 53 26;
  --color-base-oklch: oklch(31.7% 0.044 115.9);
  --color-50: #F9FAF4;
  --color-100: #F0F2E3;
  --color-200: #E0E4C8;
  --color-300: #C7CEA2;
  --color-400: #ADB57D;
  --color-500: #8F985C;
  --color-600: #70764C;
  --color-700: #51553A;
  --color-800: #363928;
  --color-900: #22231A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bistre: {
    50: '#F9FAF4',
    100: '#F0F2E3',
    200: '#E0E4C8',
    300: '#C7CEA2',
    400: '#ADB57D',
    500: '#8F985C',
    600: '#70764C',
    700: '#51553A',
    800: '#363928',
    900: '#22231A',
  },
}

$base: #31351A;
$base-ink: #FFFFFF;
$base-50: #F9FAF4;
$base-100: #F0F2E3;
$base-200: #E0E4C8;
$base-300: #C7CEA2;
$base-400: #ADB57D;
$base-500: #8F985C;
$base-600: #70764C;
$base-700: #51553A;
$base-800: #363928;
$base-900: #22231A;
$base-hover: #262914;
$base-subtle: #CACFAD;

{
    "color": {
        "base": {
            "value": "#31351A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F9FAF4",
                "type": "color"
            },
            "100": {
                "value": "#F0F2E3",
                "type": "color"
            },
            "200": {
                "value": "#E0E4C8",
                "type": "color"
            },
            "300": {
                "value": "#C7CEA2",
                "type": "color"
            },
            "400": {
                "value": "#ADB57D",
                "type": "color"
            },
            "500": {
                "value": "#8F985C",
                "type": "color"
            },
            "600": {
                "value": "#70764C",
                "type": "color"
            },
            "700": {
                "value": "#51553A",
                "type": "color"
            },
            "800": {
                "value": "#363928",
                "type": "color"
            },
            "900": {
                "value": "#22231A",
                "type": "color"
            }
        }
    }
}

Palettes built on #31351A

Color Lab

Pairs with #31351A

UI roles & guardrails

In real applications

Scales

Every model

Export