What color is #2E3729?

#2E3729 is a dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(46, 55, 41), and in HSL hsl(99, 15%, 19%).

Is #2E3729 accessible as text?

On white, #2E3729 has a contrast ratio of 12.39:1 (passes WCAG AA for body text); on black it is 1.69:1 (fails). For text placed on #2E3729, use white for the best readability.

What is the closest Tailwind color to #2E3729?

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

What colors go well with #2E3729?

As a neutral, #2E3729 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 #2E3729 the same as CSS darkslategray?

No — #2E3729 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.

#2E3729 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2E3729

Not just a swatch — here's how #2E3729 works with other colors. Named schemes with #2E3729 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #2E3729 Secondary #4E6B3A Accent #AE6B00 Surface #EFEAD6 Anchor #3D2F21

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 #2E3729 Secondary #764D1C Surface #E6DBC0 Accent #3D513F Anchor #5B2323

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 #2E3729 Surface #EEE9DC Highlight #F5F1E7 Secondary #B7B09F 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 #2E3729 Anchor #141210 Accent #C2A54B Secondary #252B21 Surface #F2EDE3

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 #2E3729 Secondary #575A55 Support #999286 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 #2E3729 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 51/100

Neutral

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

Softness 34/100

Low

Middle-weight — neither delicate nor heavy.

Depth 64/100

High

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

Naturalness 43/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 36/100

Low

A faint retro warmth without tipping into sepia.

Luxury 66/100

High

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

Brand distinctiveness 10/100

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 56/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 94/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #2E3729

For UI

For branding

For interior

For fashion

People also use #2E3729 with

Outer Space Bottle Green Gunmetal Gray Platinum

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 12.4:1. Use

Subtle surface Use #D4DAD1 for cards and hover fills. Tint 80

Avoid beside #293829 — 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 #2E3729 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: #2E3729;
  --color-base-rgb: 46 55 41;
  --color-base-oklch: oklch(32.4% 0.027 134.5);
  --color-50: #F7F9F6;
  --color-100: #EAEEE7;
  --color-200: #D4DCD0;
  --color-300: #B5C1AE;
  --color-400: #95A58D;
  --color-500: #76886D;
  --color-600: #5E6A58;
  --color-700: #464D41;
  --color-800: #2F342D;
  --color-900: #1E211D;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  onyx: {
    50: '#F7F9F6',
    100: '#EAEEE7',
    200: '#D4DCD0',
    300: '#B5C1AE',
    400: '#95A58D',
    500: '#76886D',
    600: '#5E6A58',
    700: '#464D41',
    800: '#2F342D',
    900: '#1E211D',
  },
}

$base: #2E3729;
$base-ink: #FFFFFF;
$base-50: #F7F9F6;
$base-100: #EAEEE7;
$base-200: #D4DCD0;
$base-300: #B5C1AE;
$base-400: #95A58D;
$base-500: #76886D;
$base-600: #5E6A58;
$base-700: #464D41;
$base-800: #2F342D;
$base-900: #1E211D;
$base-hover: #252D21;
$base-subtle: #BFC8BA;

{
    "color": {
        "base": {
            "value": "#2E3729",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F7F9F6",
                "type": "color"
            },
            "100": {
                "value": "#EAEEE7",
                "type": "color"
            },
            "200": {
                "value": "#D4DCD0",
                "type": "color"
            },
            "300": {
                "value": "#B5C1AE",
                "type": "color"
            },
            "400": {
                "value": "#95A58D",
                "type": "color"
            },
            "500": {
                "value": "#76886D",
                "type": "color"
            },
            "600": {
                "value": "#5E6A58",
                "type": "color"
            },
            "700": {
                "value": "#464D41",
                "type": "color"
            },
            "800": {
                "value": "#2F342D",
                "type": "color"
            },
            "900": {
                "value": "#1E211D",
                "type": "color"
            }
        }
    }
}