What color is #2B2803?

#2B2803 is a very dark, vivid yellow. In RGB it is rgb(43, 40, 3), and in HSL hsl(56, 87%, 9%).

Is #2B2803 accessible as text?

On white, #2B2803 has a contrast ratio of 14.92:1 (passes WCAG AA for body text); on black it is 1.41:1 (fails). For text placed on #2B2803, use white for the best readability.

What is the closest Tailwind color to #2B2803?

The nearest Tailwind CSS token is lime-950 (#192E03).

What colors go well with #2B2803?

#2B2803 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #03062B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #2B2803 below.

Is #2B2803 good for buttons?

#2B2803 works well for buttons and highlights, but use white text on #2B2803 — black text only reaches 1.41:1, below the 4.5:1 needed for normal-size labels.

Is #2B2803 the same as CSS darkslategray?

No — #2B2803 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.

#2B2803 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #2B2803

Not just a swatch — here's how #2B2803 works with other colors. Named schemes with #2B2803 in its natural role, and a note on why the supporting colors balance it.

Warm Autumn Interior Dominant · 5 colors

Dominant #2B2803 Secondary #B1680B Accent #6E7A48 Surface #F3ECDD Anchor #3A2B1F

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 #2B2803 Secondary #784C1F Surface #E7DAC0 Accent #3E513E Anchor #5B2226

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.

Botanical Studio Lead · 5 colors

Lead #2B2803 Secondary #536A36 Accent #B1680B Surface #F0E9D6 Anchor #3D2F21

Bistre 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 #2B2803 Surface #DFCFA8 Secondary #AD7C51 Accent #909971 Anchor #3D2D1F

Bistre 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 #2B2803 Secondary #4C4C40 Support #999186 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 #2B2803 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 59/100

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 53/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 43/100

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 21/100

Low

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

UI accent fit 23/100

Low

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

Surface fit 51/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 91/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #2B2803

For UI

For branding

For interior

For fashion

People also use #2B2803 with

Bistre Sacramento Green Jet Black 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 14.9:1. Use

Subtle surface Use #EEEAB4 for cards and hover fills. Tint 80

Avoid beside #202B03 — 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 #2B2803 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: #2B2803;
  --color-base-rgb: 43 40 3;
  --color-base-oklch: oklch(27.2% 0.054 104.8);
  --color-50: #FEFDF0;
  --color-100: #FDFBD8;
  --color-200: #FAF5B3;
  --color-300: #F0E87F;
  --color-400: #E1D751;
  --color-500: #C7BD2E;
  --color-600: #97902B;
  --color-700: #6B6624;
  --color-800: #45431C;
  --color-900: #2A2913;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  bistre: {
    50: '#FEFDF0',
    100: '#FDFBD8',
    200: '#FAF5B3',
    300: '#F0E87F',
    400: '#E1D751',
    500: '#C7BD2E',
    600: '#97902B',
    700: '#6B6624',
    800: '#45431C',
    900: '#2A2913',
  },
}

$base: #2B2803;
$base-ink: #FFFFFF;
$base-50: #FEFDF0;
$base-100: #FDFBD8;
$base-200: #FAF5B3;
$base-300: #F0E87F;
$base-400: #E1D751;
$base-500: #C7BD2E;
$base-600: #97902B;
$base-700: #6B6624;
$base-800: #45431C;
$base-900: #2A2913;
$base-hover: #222002;
$base-subtle: #E7E18B;

{
    "color": {
        "base": {
            "value": "#2B2803",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#FEFDF0",
                "type": "color"
            },
            "100": {
                "value": "#FDFBD8",
                "type": "color"
            },
            "200": {
                "value": "#FAF5B3",
                "type": "color"
            },
            "300": {
                "value": "#F0E87F",
                "type": "color"
            },
            "400": {
                "value": "#E1D751",
                "type": "color"
            },
            "500": {
                "value": "#C7BD2E",
                "type": "color"
            },
            "600": {
                "value": "#97902B",
                "type": "color"
            },
            "700": {
                "value": "#6B6624",
                "type": "color"
            },
            "800": {
                "value": "#45431C",
                "type": "color"
            },
            "900": {
                "value": "#2A2913",
                "type": "color"
            }
        }
    }
}

Palettes built on #2B2803

Color Lab

Pairs with #2B2803

UI roles & guardrails

In real applications

Scales

Every model

Export