What color is #31301B?

#31301B is a very dark low-chroma warm gray with a subtle warm cast. In RGB it is rgb(49, 48, 27), and in HSL hsl(57, 29%, 15%).

Is #31301B accessible as text?

On white, #31301B has a contrast ratio of 13.38:1 (passes WCAG AA for body text); on black it is 1.57:1 (fails). For text placed on #31301B, use white for the best readability.

What is the closest Tailwind color to #31301B?

The nearest Tailwind CSS token is stone-800 (#292524).

What colors go well with #31301B?

As a neutral, #31301B 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 #31301B the same as CSS darkslategray?

No — #31301B 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.

#31301B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #31301B

Not just a swatch — here's how #31301B works with other colors. Named schemes with #31301B in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #31301B Secondary #774C1F Surface #E7DAC0 Accent #3E513E Anchor #5B2226

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.

Warm Autumn Interior Dominant · 5 colors

Dominant #31301B Secondary #B1690A Accent #6D7A48 Surface #F3ECDD Anchor #3A2B1F

This palette keeps Bistre as the dominant warm neutral, balanced by muted terracotta and olive earth tones and grounded by a deep espresso anchor.

Japanese Sand Base · 5 colors

Base #31301B Surface #EFE9DC Highlight #F6F1E7 Secondary #B8AF9F 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 #31301B Anchor #141210 Accent #C6A34B Secondary #2A2A1E 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 #31301B Secondary #54544D 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.

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Color Lab

How #31301B 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 56/100

Neutral

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

Softness 32/100

Low

Firm and assertive — carries weight and contrast.

Depth 66/100

High

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

Naturalness 35/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 41/100

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 13/100

Very low

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

UI accent fit 26/100

Low

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

Surface fit 55/100

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 #31301B

For UI

For branding

For interior

For fashion

People also use #31301B with

Espresso Sacramento Green Graphite Greige 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 13.4:1. Use

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

Avoid beside #2B311B — 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 #31301B 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: #31301B;
  --color-base-rgb: 49 48 27;
  --color-base-oklch: oklch(30.4% 0.035 105.9);
  --color-50: #FAFAF5;
  --color-100: #F1F0E4;
  --color-200: #E2E1CA;
  --color-300: #CAC8A5;
  --color-400: #B1AF81;
  --color-500: #949161;
  --color-600: #73714F;
  --color-700: #53523C;
  --color-800: #373729;
  --color-900: #23221B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bistre: {
    50: '#FAFAF5',
    100: '#F1F0E4',
    200: '#E2E1CA',
    300: '#CAC8A5',
    400: '#B1AF81',
    500: '#949161',
    600: '#73714F',
    700: '#53523C',
    800: '#373729',
    900: '#23221B',
  },
}

$base: #31301B;
$base-ink: #FFFFFF;
$base-50: #FAFAF5;
$base-100: #F1F0E4;
$base-200: #E2E1CA;
$base-300: #CAC8A5;
$base-400: #B1AF81;
$base-500: #949161;
$base-600: #73714F;
$base-700: #53523C;
$base-800: #373729;
$base-900: #23221B;
$base-hover: #272716;
$base-subtle: #CCCBB0;

{
    "color": {
        "base": {
            "value": "#31301B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FAFAF5",
                "type": "color"
            },
            "100": {
                "value": "#F1F0E4",
                "type": "color"
            },
            "200": {
                "value": "#E2E1CA",
                "type": "color"
            },
            "300": {
                "value": "#CAC8A5",
                "type": "color"
            },
            "400": {
                "value": "#B1AF81",
                "type": "color"
            },
            "500": {
                "value": "#949161",
                "type": "color"
            },
            "600": {
                "value": "#73714F",
                "type": "color"
            },
            "700": {
                "value": "#53523C",
                "type": "color"
            },
            "800": {
                "value": "#373729",
                "type": "color"
            },
            "900": {
                "value": "#23221B",
                "type": "color"
            }
        }
    }
}