What color is #403D02?

#403D02 is a very dark, vivid yellow. In RGB it is rgb(64, 61, 2), and in HSL hsl(57, 94%, 13%).

Is #403D02 accessible as text?

On white, #403D02 has a contrast ratio of 11.13:1 (passes WCAG AA for body text); on black it is 1.89:1 (fails). For text placed on #403D02, use white for the best readability.

What is the closest Tailwind color to #403D02?

The nearest Tailwind CSS token is olive-700 (#474739).

What colors go well with #403D02?

#403D02 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #020540. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #403D02 below.

Is #403D02 good for buttons?

#403D02 works well for buttons and highlights, but use white text on #403D02 — black text only reaches 1.89:1, below the 4.5:1 needed for normal-size labels.

Is #403D02 the same as CSS darkslategray?

No — #403D02 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.

#403D02 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #403D02

Not just a swatch — here's how #403D02 works with other colors. Named schemes with #403D02 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #403D02 Secondary #B1690A Accent #6D7A48 Surface #F3ECDD Anchor #3A2B1F

This palette keeps Espresso 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 #403D02 Secondary #774C1F Surface #E7DAC0 Accent #3E513E Anchor #5B2226

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

Botanical Studio Lead · 5 colors

Lead #403D02 Secondary #526A37 Accent #B1690A Surface #F0E9D6 Anchor #3D2F21

Espresso leads this botanical set among foliage greens and a terracotta accent, softened by cream and grounded in bark brown.

Desert Clay Center · 5 colors

Center #403D02 Surface #DFCFA8 Secondary #AD7C50 Accent #909A71 Anchor #3D2D1F

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

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #403D02 Secondary #626251 Support #999186 Ink #17140F

Espresso 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 Espresso carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #403D02 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 62/100

Warm

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

Softness 33/100

Low

Middle-weight — neither delicate nor heavy.

Depth 63/100

High

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

Naturalness 66/100

High

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

Vintage feel 59/100

Moderate

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

Luxury 67/100

High

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

Brand distinctiveness 28/100

Low

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

UI accent fit 48/100

Moderate

Workable accent with care around contrast.

Surface fit 40/100

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 #403D02

For UI

For branding

For interior

For fashion

People also use #403D02 with

Garnet British Racing Green Navy 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 11.1:1. Use

Subtle surface Use #F1EEB5 for cards and hover fills. Tint 80

Avoid beside #2F4002 — 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 #403D02 at work across the surfaces designers actually ship.

Website / UI

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Build faster.

A working theme, generated in seconds.

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: #403D02;
  --color-base-rgb: 64 61 2;
  --color-base-oklch: oklch(35.2% 0.074 106.4);
  --color-50: #FEFEF0;
  --color-100: #FDFBD8;
  --color-200: #FCF8B1;
  --color-300: #F4EE7B;
  --color-400: #E7DF4B;
  --color-500: #CDC528;
  --color-600: #9B9626;
  --color-700: #6D6A21;
  --color-800: #47451A;
  --color-900: #2B2A12;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  espresso: {
    50: '#FEFEF0',
    100: '#FDFBD8',
    200: '#FCF8B1',
    300: '#F4EE7B',
    400: '#E7DF4B',
    500: '#CDC528',
    600: '#9B9626',
    700: '#6D6A21',
    800: '#47451A',
    900: '#2B2A12',
  },
}

$base: #403D02;
$base-ink: #FFFFFF;
$base-50: #FEFEF0;
$base-100: #FDFBD8;
$base-200: #FCF8B1;
$base-300: #F4EE7B;
$base-400: #E7DF4B;
$base-500: #CDC528;
$base-600: #9B9626;
$base-700: #6D6A21;
$base-800: #47451A;
$base-900: #2B2A12;
$base-hover: #333102;
$base-subtle: #ECE78D;

{
    "color": {
        "base": {
            "value": "#403D02",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEFEF0",
                "type": "color"
            },
            "100": {
                "value": "#FDFBD8",
                "type": "color"
            },
            "200": {
                "value": "#FCF8B1",
                "type": "color"
            },
            "300": {
                "value": "#F4EE7B",
                "type": "color"
            },
            "400": {
                "value": "#E7DF4B",
                "type": "color"
            },
            "500": {
                "value": "#CDC528",
                "type": "color"
            },
            "600": {
                "value": "#9B9626",
                "type": "color"
            },
            "700": {
                "value": "#6D6A21",
                "type": "color"
            },
            "800": {
                "value": "#47451A",
                "type": "color"
            },
            "900": {
                "value": "#2B2A12",
                "type": "color"
            }
        }
    }
}

Palettes built on #403D02

Color Lab

Pairs with #403D02

UI roles & guardrails

In real applications

Scales

Every model

Export