What color is #31210F?

#31210F is a very dark brown. In RGB it is rgb(49, 33, 15), and in HSL hsl(32, 53%, 13%).

Is #31210F accessible as text?

On white, #31210F has a contrast ratio of 15.50:1 (passes WCAG AA for body text); on black it is 1.36:1 (fails). For text placed on #31210F, use white for the best readability.

What is the closest Tailwind color to #31210F?

The nearest Tailwind CSS token is taupe-800 (#2B2422).

What colors go well with #31210F?

#31210F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #102033. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #31210F below.

Is #31210F good for buttons?

#31210F works well for buttons and highlights, but use white text on #31210F — black text only reaches 1.36:1, below the 4.5:1 needed for normal-size labels.

Is #31210F the same as CSS darkslategray?

No — #31210F 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.

#31210F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #31210F

Not just a swatch — here's how #31210F works with other colors. Named schemes with #31210F in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #31210F Secondary #B46619 Accent #727945 Surface #F3ECDD Anchor #3B2A20

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

Vintage Leather Lead · 5 colors

Lead #31210F Secondary #794A23 Surface #E9DAC0 Accent #40503C Anchor #5B222A

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.

Desert Clay Center · 5 colors

Center #31210F Surface #E1CFA8 Secondary #AF7B54 Accent #94986F Anchor #3E2C20

Bistre holds the warm center of this desert palette with sand and clay beside it, a muted-sage accent and a dark-brown anchor.

Japanese Sand Base · 5 colors

Base #31210F Surface #EFE9DC Highlight #F6F1E7 Secondary #B9AF9F 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #31210F Secondary #4D4741 Support #9A9186 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 #31210F 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 61/100

Neutral

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

Softness 28/100

Low

Firm and assertive — carries weight and contrast.

Depth 70/100

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 41/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 71/100

High

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

Brand distinctiveness 15/100

Very low

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

UI accent fit 19/100

Very 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 95/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #31210F

For UI

For branding

For interior

For fashion

People also use #31210F with

Rosewood Bistre Graphite Greige Taupe

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 15.5:1. Use

Subtle surface Use #E4D4C2 for cards and hover fills. Tint 80

Avoid beside #332E10 — 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 #31210F at work across the surfaces designers actually ship.

Website / UI

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Brand

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Poster

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Export

:root {
  --color-base: #31210F;
  --color-base-rgb: 49 33 15;
  --color-base-oklch: oklch(26.3% 0.038 68.1);
  --color-50: #FCF8F3;
  --color-100: #F6EBDF;
  --color-200: #ECD8C1;
  --color-300: #DABA95;
  --color-400: #C59C6D;
  --color-500: #A97E4C;
  --color-600: #826340;
  --color-700: #5D4932;
  --color-800: #3D3124;
  --color-900: #261F17;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bistre: {
    50: '#FCF8F3',
    100: '#F6EBDF',
    200: '#ECD8C1',
    300: '#DABA95',
    400: '#C59C6D',
    500: '#A97E4C',
    600: '#826340',
    700: '#5D4932',
    800: '#3D3124',
    900: '#261F17',
  },
}

$base: #31210F;
$base-ink: #FFFFFF;
$base-50: #FCF8F3;
$base-100: #F6EBDF;
$base-200: #ECD8C1;
$base-300: #DABA95;
$base-400: #C59C6D;
$base-500: #A97E4C;
$base-600: #826340;
$base-700: #5D4932;
$base-800: #3D3124;
$base-900: #261F17;
$base-hover: #291B0C;
$base-subtle: #D7BEA2;

{
    "color": {
        "base": {
            "value": "#31210F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FCF8F3",
                "type": "color"
            },
            "100": {
                "value": "#F6EBDF",
                "type": "color"
            },
            "200": {
                "value": "#ECD8C1",
                "type": "color"
            },
            "300": {
                "value": "#DABA95",
                "type": "color"
            },
            "400": {
                "value": "#C59C6D",
                "type": "color"
            },
            "500": {
                "value": "#A97E4C",
                "type": "color"
            },
            "600": {
                "value": "#826340",
                "type": "color"
            },
            "700": {
                "value": "#5D4932",
                "type": "color"
            },
            "800": {
                "value": "#3D3124",
                "type": "color"
            },
            "900": {
                "value": "#261F17",
                "type": "color"
            }
        }
    }
}

Palettes built on #31210F

Color Lab

Pairs with #31210F

UI roles & guardrails

In real applications

Scales

Every model

Export