What color is #402603?

#402603 is a very dark, vivid orange. In RGB it is rgb(64, 38, 3), and in HSL hsl(34, 91%, 13%).

Is #402603 accessible as text?

On white, #402603 has a contrast ratio of 14.03:1 (passes WCAG AA for body text); on black it is 1.50:1 (fails). For text placed on #402603, use white for the best readability.

What is the closest Tailwind color to #402603?

The nearest Tailwind CSS token is yellow-950 (#432004).

What colors go well with #402603?

#402603 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #031D3F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #402603 below.

Is #402603 good for buttons?

#402603 works well for buttons and highlights, but use white text on #402603 — black text only reaches 1.50:1, below the 4.5:1 needed for normal-size labels.

Is #402603 the same as CSS darkslategray?

No — #402603 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.

#402603 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #402603

Not just a swatch — here's how #402603 works with other colors. Named schemes with #402603 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #402603 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 #402603 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 #402603 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 #402603 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 #402603 Secondary #594F45 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 #402603 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 67/100

Warm

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

Softness 29/100

Low

Firm and assertive — carries weight and contrast.

Depth 68/100

High

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

Naturalness 77/100

High

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

Vintage feel 52/100

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 24/100

Low

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

UI accent fit 30/100

Low

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

Surface fit 47/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 93/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #402603

For UI

For branding

For interior

For fashion

People also use #402603 with

Rosewood British Racing Green Navy 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 14.0:1. Use

Subtle surface Use #F0D7B6 for cards and hover fills. Tint 80

Avoid beside #3F3903 — 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 #402603 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: #402603;
  --color-base-rgb: 64 38 3;
  --color-base-oklch: oklch(29.5% 0.061 68.9);
  --color-50: #FEF8F0;
  --color-100: #FDEDD8;
  --color-200: #FBDBB1;
  --color-300: #F2BF7D;
  --color-400: #E4A34E;
  --color-500: #CB852A;
  --color-600: #9A6828;
  --color-700: #6C4C23;
  --color-800: #46331B;
  --color-900: #2B2012;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bistre: {
    50: '#FEF8F0',
    100: '#FDEDD8',
    200: '#FBDBB1',
    300: '#F2BF7D',
    400: '#E4A34E',
    500: '#CB852A',
    600: '#9A6828',
    700: '#6C4C23',
    800: '#46331B',
    900: '#2B2012',
  },
}

$base: #402603;
$base-ink: #FFFFFF;
$base-50: #FEF8F0;
$base-100: #FDEDD8;
$base-200: #FBDBB1;
$base-300: #F2BF7D;
$base-400: #E4A34E;
$base-500: #CB852A;
$base-600: #9A6828;
$base-700: #6C4C23;
$base-800: #46331B;
$base-900: #2B2012;
$base-hover: #331E02;
$base-subtle: #EAC38E;

{
    "color": {
        "base": {
            "value": "#402603",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEF8F0",
                "type": "color"
            },
            "100": {
                "value": "#FDEDD8",
                "type": "color"
            },
            "200": {
                "value": "#FBDBB1",
                "type": "color"
            },
            "300": {
                "value": "#F2BF7D",
                "type": "color"
            },
            "400": {
                "value": "#E4A34E",
                "type": "color"
            },
            "500": {
                "value": "#CB852A",
                "type": "color"
            },
            "600": {
                "value": "#9A6828",
                "type": "color"
            },
            "700": {
                "value": "#6C4C23",
                "type": "color"
            },
            "800": {
                "value": "#46331B",
                "type": "color"
            },
            "900": {
                "value": "#2B2012",
                "type": "color"
            }
        }
    }
}

Palettes built on #402603

Color Lab

Pairs with #402603

UI roles & guardrails

In real applications

Scales

Every model

Export