What color is #B37538?

#B37538 is a medium brown. In RGB it is rgb(179, 117, 56), and in HSL hsl(30, 52%, 46%).

Is #B37538 accessible as text?

On white, #B37538 has a contrast ratio of 3.81:1 (fails WCAG AA for body text); on black it is 5.52:1 (passes). For text placed on #B37538, use black for the best readability.

What is the closest Tailwind color to #B37538?

The nearest Tailwind CSS token is yellow-700 (#A65F00).

What colors go well with #B37538?

#B37538 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3875B2. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #B37538 below.

Is #B37538 good for buttons?

#B37538 works well for buttons and highlights, but use black text on #B37538 — white text only reaches 3.81:1, below the 4.5:1 needed for normal-size labels.

Is #B37538 the same as CSS chocolate?

No — #B37538 is not the CSS named color chocolate, but chocolate (#D2691E) is the closest CSS named color.

#B37538 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #B37538

Not just a swatch — here's how #B37538 works with other colors. Named schemes with #B37538 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #B37538 Secondary #B5651B Accent #737945 Surface #F4ECDD Anchor #3B2A20

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

Modern Café Dominant · 5 colors

Dominant #B37538 Anchor #3A2A20 Surface #EFE3D0 Accent #929866 Secondary #3B3833

Copper anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Vintage Leather Lead · 5 colors

Lead #B37538 Secondary #7A4A23 Surface #E9DAC0 Accent #41503C Anchor #5B222A

Copper plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Berry & Cream Lead · 5 colors

Lead #B37538 Surface #F2E7D6 Anchor #602033 Accent #E6C2BF Secondary #332B2D

Copper sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #B37538 Secondary #C2AB97 Support #9A9186 Ink #17140F

Copper 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 Copper carrying the quiet middle.

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Color Lab

How #B37538 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 82/100

Warm

Reads warm and advancing — inviting, energetic, draws the eye forward.

Softness 50/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 39/100

Low

Mid depth — usable as an accent or a muted ground.

Naturalness 100/100

Very high

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

Vintage feel 80/100

High

Faded, nostalgic quality — editorial, heritage and retro work.

Luxury 46/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 30/100

Low

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

UI accent fit 85/100

Very high

Strong interactive accent — visible and can carry a legible label.

Surface fit 30/100

Low

Usable as a tinted surface in measured doses.

Print safety 87/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #B37538

For UI

For branding

For interior

For fashion

People also use #B37538 with

Brick Red Citron Steel Blue Greige Taupe

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 4.9:1. Use

Subtle surface Use #EEE3D9 for cards and hover fills. Tint 80

Avoid beside #B29E38 — 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 #B37538 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: #B37538;
  --color-base-rgb: 179 117 56;
  --color-base-oklch: oklch(61.6% 0.109 62.7);
  --color-50: #FCF7F3;
  --color-100: #F6EBDF;
  --color-200: #EBD6C1;
  --color-300: #D9B896;
  --color-400: #C4996E;
  --color-500: #A87A4D;
  --color-600: #816141;
  --color-700: #5C4732;
  --color-800: #3D3024;
  --color-900: #261F18;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  copper: {
    50: '#FCF7F3',
    100: '#F6EBDF',
    200: '#EBD6C1',
    300: '#D9B896',
    400: '#C4996E',
    500: '#A87A4D',
    600: '#816141',
    700: '#5C4732',
    800: '#3D3024',
    900: '#261F18',
  },
}

$base: #B37538;
$base-ink: #141310;
$base-50: #FCF7F3;
$base-100: #F6EBDF;
$base-200: #EBD6C1;
$base-300: #D9B896;
$base-400: #C4996E;
$base-500: #A87A4D;
$base-600: #816141;
$base-700: #5C4732;
$base-800: #3D3024;
$base-900: #261F18;
$base-hover: #8F5E2D;
$base-subtle: #E6D6C5;

{
    "color": {
        "base": {
            "value": "#B37538",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FCF7F3",
                "type": "color"
            },
            "100": {
                "value": "#F6EBDF",
                "type": "color"
            },
            "200": {
                "value": "#EBD6C1",
                "type": "color"
            },
            "300": {
                "value": "#D9B896",
                "type": "color"
            },
            "400": {
                "value": "#C4996E",
                "type": "color"
            },
            "500": {
                "value": "#A87A4D",
                "type": "color"
            },
            "600": {
                "value": "#816141",
                "type": "color"
            },
            "700": {
                "value": "#5C4732",
                "type": "color"
            },
            "800": {
                "value": "#3D3024",
                "type": "color"
            },
            "900": {
                "value": "#261F18",
                "type": "color"
            }
        }
    }
}

Palettes built on #B37538

Color Lab

Pairs with #B37538

UI roles & guardrails

In real applications

Scales

Every model

Export