What color is #30210A?

#30210A is a very dark brown. In RGB it is rgb(48, 33, 10), and in HSL hsl(36, 66%, 11%).

Is #30210A accessible as text?

On white, #30210A has a contrast ratio of 15.58:1 (passes WCAG AA for body text); on black it is 1.35:1 (fails). For text placed on #30210A, use white for the best readability.

What is the closest Tailwind color to #30210A?

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

What colors go well with #30210A?

#30210A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #0A182F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #30210A below.

Is #30210A good for buttons?

#30210A works well for buttons and highlights, but use white text on #30210A — black text only reaches 1.35:1, below the 4.5:1 needed for normal-size labels.

Is #30210A the same as CSS darkslategray?

No — #30210A 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.

#30210A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #30210A

Not just a swatch — here's how #30210A works with other colors. Named schemes with #30210A in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #30210A Secondary #B46617 Accent #717946 Surface #F3ECDD Anchor #3B2A1F

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 #30210A Secondary #794B22 Surface #E8DAC0 Accent #40503C Anchor #5B2229

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 #30210A Surface #E1CFA8 Secondary #AF7B53 Accent #93986F Anchor #3E2C1F

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 #30210A 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 #30210A Secondary #4D473F 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 #30210A 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 27/100

Low

Firm and assertive — carries weight and contrast.

Depth 70/100

High

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

Naturalness 60/100

Moderate

Organic, earthy character — at home in wellness, food and craft brands.

Vintage feel 42/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 72/100

High

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

Brand distinctiveness 16/100

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 55/100

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 #30210A

For UI

For branding

For interior

For fashion

People also use #30210A with

Oxblood Sacramento Green 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 15.6:1. Use

Subtle surface Use #E7D6BC for cards and hover fills. Tint 80

Avoid beside #2F2C0A — 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 #30210A 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: #30210A;
  --color-base-rgb: 48 33 10;
  --color-base-oklch: oklch(26.1% 0.042 75.5);
  --color-50: #FDF8F2;
  --color-100: #F9EDDC;
  --color-200: #F1DCBB;
  --color-300: #E2C08D;
  --color-400: #D0A462;
  --color-500: #B58640;
  --color-600: #8A6938;
  --color-700: #624D2D;
  --color-800: #403421;
  --color-900: #282016;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bistre: {
    50: '#FDF8F2',
    100: '#F9EDDC',
    200: '#F1DCBB',
    300: '#E2C08D',
    400: '#D0A462',
    500: '#B58640',
    600: '#8A6938',
    700: '#624D2D',
    800: '#403421',
    900: '#282016',
  },
}

$base: #30210A;
$base-ink: #FFFFFF;
$base-50: #FDF8F2;
$base-100: #F9EDDC;
$base-200: #F1DCBB;
$base-300: #E2C08D;
$base-400: #D0A462;
$base-500: #B58640;
$base-600: #8A6938;
$base-700: #624D2D;
$base-800: #403421;
$base-900: #282016;
$base-hover: #251908;
$base-subtle: #DDC299;

{
    "color": {
        "base": {
            "value": "#30210A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FDF8F2",
                "type": "color"
            },
            "100": {
                "value": "#F9EDDC",
                "type": "color"
            },
            "200": {
                "value": "#F1DCBB",
                "type": "color"
            },
            "300": {
                "value": "#E2C08D",
                "type": "color"
            },
            "400": {
                "value": "#D0A462",
                "type": "color"
            },
            "500": {
                "value": "#B58640",
                "type": "color"
            },
            "600": {
                "value": "#8A6938",
                "type": "color"
            },
            "700": {
                "value": "#624D2D",
                "type": "color"
            },
            "800": {
                "value": "#403421",
                "type": "color"
            },
            "900": {
                "value": "#282016",
                "type": "color"
            }
        }
    }
}

Palettes built on #30210A

Color Lab

Pairs with #30210A

UI roles & guardrails

In real applications

Scales

Every model

Export