What color is #2C3E2E?

#2C3E2E is a dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(44, 62, 46), and in HSL hsl(127, 17%, 21%).

Is #2C3E2E accessible as text?

On white, #2C3E2E has a contrast ratio of 11.44:1 (passes WCAG AA for body text); on black it is 1.84:1 (fails). For text placed on #2C3E2E, use white for the best readability.

What is the closest Tailwind color to #2C3E2E?

The nearest Tailwind CSS token is neutral-700 (#404040).

What colors go well with #2C3E2E?

As a neutral, #2C3E2E pairs cleanly with white, off-white and light grays for text, and sits under accent hues like blue, violet, emerald or warm orange — use it as a dark surface or high-contrast base and let the accent carry the color.

Is #2C3E2E the same as CSS darkslategray?

No — #2C3E2E 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.

#2C3E2E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2C3E2E

Not just a swatch — here's how #2C3E2E works with other colors. Named schemes with #2C3E2E in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #2C3E2E Secondary #4C6B3C Accent #AD6C00 Surface #EEEAD6 Anchor #3C2F20

Onyx 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 #2C3E2E Secondary #754E1B Surface #E5DBC0 Accent #3C5140 Anchor #5B2322

Onyx 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 #2C3E2E Surface #EEE9DC Highlight #F5F1E7 Secondary #B6B09F Ink #2B2723

Onyx 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 #2C3E2E Anchor #141210 Accent #C0A64B Secondary #222C23 Surface #F1EDE3

Onyx 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 #2C3E2E Secondary #5A605A Support #989286 Ink #17140F

Onyx 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 Onyx carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #2C3E2E 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 49/100

Neutral

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

Softness 35/100

Low

Middle-weight — neither delicate nor heavy.

Depth 62/100

High

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

Naturalness 49/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 38/100

Low

A faint retro warmth without tipping into sepia.

Luxury 65/100

High

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

Brand distinctiveness 14/100

Very low

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

UI accent fit 35/100

Low

Workable accent with care around contrast.

Surface fit 52/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #2C3E2E

For UI

For branding

For interior

For fashion

People also use #2C3E2E with

Hunter Green Onyx Platinum Brunswick 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 11.4:1. Use

Subtle surface Use #D2DCD3 for cards and hover fills. Tint 80

Avoid beside #2C3F35 — 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 #2C3E2E 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: #2C3E2E;
  --color-base-rgb: 44 62 46;
  --color-base-oklch: oklch(34.3% 0.036 147.6);
  --color-50: #F6F9F6;
  --color-100: #E7EEE8;
  --color-200: #CFDDD1;
  --color-300: #ADC3AF;
  --color-400: #8BA78E;
  --color-500: #6B896F;
  --color-600: #566B59;
  --color-700: #414E42;
  --color-800: #2C352D;
  --color-900: #1C211D;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  onyx: {
    50: '#F6F9F6',
    100: '#E7EEE8',
    200: '#CFDDD1',
    300: '#ADC3AF',
    400: '#8BA78E',
    500: '#6B896F',
    600: '#566B59',
    700: '#414E42',
    800: '#2C352D',
    900: '#1C211D',
  },
}

$base: #2C3E2E;
$base-ink: #FFFFFF;
$base-50: #F6F9F6;
$base-100: #E7EEE8;
$base-200: #CFDDD1;
$base-300: #ADC3AF;
$base-400: #8BA78E;
$base-500: #6B896F;
$base-600: #566B59;
$base-700: #414E42;
$base-800: #2C352D;
$base-900: #1C211D;
$base-hover: #243225;
$base-subtle: #BBCABD;

{
    "color": {
        "base": {
            "value": "#2C3E2E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F9F6",
                "type": "color"
            },
            "100": {
                "value": "#E7EEE8",
                "type": "color"
            },
            "200": {
                "value": "#CFDDD1",
                "type": "color"
            },
            "300": {
                "value": "#ADC3AF",
                "type": "color"
            },
            "400": {
                "value": "#8BA78E",
                "type": "color"
            },
            "500": {
                "value": "#6B896F",
                "type": "color"
            },
            "600": {
                "value": "#566B59",
                "type": "color"
            },
            "700": {
                "value": "#414E42",
                "type": "color"
            },
            "800": {
                "value": "#2C352D",
                "type": "color"
            },
            "900": {
                "value": "#1C211D",
                "type": "color"
            }
        }
    }
}