What color is #151B08?

#151B08 is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(21, 27, 8), and in HSL hsl(79, 54%, 7%).

Is #151B08 accessible as text?

On white, #151B08 has a contrast ratio of 17.62:1 (passes WCAG AA for body text); on black it is 1.19:1 (fails). For text placed on #151B08, use white for the best readability.

What is the closest Tailwind color to #151B08?

The nearest Tailwind CSS token is stone-900 (#1C1917).

What colors go well with #151B08?

As a neutral, #151B08 pairs cleanly with white, off-white and light grays for text, and sits under accent hues like blue, violet, emerald or warm orange — use it as a dark surface or high-contrast base and let the accent carry the color.

Is #151B08 the same as CSS midnightblue?

No — #151B08 is not the CSS named color midnightblue, but midnightblue (#191970) 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.

#151B08 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #151B08

Not just a swatch — here's how #151B08 works with other colors. Named schemes with #151B08 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #151B08 Secondary #506B39 Accent #AF6A01 Surface #EFE9D6 Anchor #3D2F21

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

Vintage Leather Lead · 5 colors

Lead #151B08 Secondary #764D1D Surface #E6DBC0 Accent #3D513F Anchor #5B2324

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

Japanese Sand Base · 5 colors

Base #151B08 Surface #EEE9DC Highlight #F6F1E7 Secondary #B7B09F Ink #2B2723

Graphite 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.

Luxury Packaging Feature · 5 colors

Feature #151B08 Anchor #141210 Accent #C3A54B Secondary #272B20 Surface #F2EDE3

Graphite carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #151B08 Secondary #393C35 Support #999286 Ink #17140F

Graphite 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 Graphite carrying the quiet middle.

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Color Lab

How #151B08 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 53/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 23/100

Low

Firm and assertive — carries weight and contrast.

Depth 75/100

High

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

Naturalness 48/100

Moderate

Loosely natural — an earthy edge without being rustic.

Vintage feel 30/100

Low

A faint retro warmth without tipping into sepia.

Luxury 75/100

High

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

Brand distinctiveness 14/100

Very low

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

UI accent fit 11/100

Very low

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

Surface fit 61/100

High

Calm enough for large fills — backgrounds, cards, sections.

Print safety 93/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #151B08

For UI

For branding

For interior

For fashion

People also use #151B08 with

Bistre Graphite Jet Black Platinum 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 17.6:1. Use

Subtle surface Use #D6E2BD for cards and hover fills. Tint 80

Avoid beside #0F1B08 — 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 #151B08 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

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Export

:root {
  --color-base: #151B08;
  --color-base-rgb: 21 27 8;
  --color-base-oklch: oklch(21.0% 0.035 123.8);
  --color-50: #F9FCF3;
  --color-100: #EFF6DF;
  --color-200: #DEECC0;
  --color-300: #C4DA95;
  --color-400: #A9C66C;
  --color-500: #8CAA4B;
  --color-600: #6D833F;
  --color-700: #4F5D32;
  --color-800: #353D23;
  --color-900: #212617;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F9FCF3',
    100: '#EFF6DF',
    200: '#DEECC0',
    300: '#C4DA95',
    400: '#A9C66C',
    500: '#8CAA4B',
    600: '#6D833F',
    700: '#4F5D32',
    800: '#353D23',
    900: '#212617',
  },
}

$base: #151B08;
$base-ink: #FFFFFF;
$base-50: #F9FCF3;
$base-100: #EFF6DF;
$base-200: #DEECC0;
$base-300: #C4DA95;
$base-400: #A9C66C;
$base-500: #8CAA4B;
$base-600: #6D833F;
$base-700: #4F5D32;
$base-800: #353D23;
$base-900: #212617;
$base-hover: #111607;
$base-subtle: #C3D59B;

{
    "color": {
        "base": {
            "value": "#151B08",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F9FCF3",
                "type": "color"
            },
            "100": {
                "value": "#EFF6DF",
                "type": "color"
            },
            "200": {
                "value": "#DEECC0",
                "type": "color"
            },
            "300": {
                "value": "#C4DA95",
                "type": "color"
            },
            "400": {
                "value": "#A9C66C",
                "type": "color"
            },
            "500": {
                "value": "#8CAA4B",
                "type": "color"
            },
            "600": {
                "value": "#6D833F",
                "type": "color"
            },
            "700": {
                "value": "#4F5D32",
                "type": "color"
            },
            "800": {
                "value": "#353D23",
                "type": "color"
            },
            "900": {
                "value": "#212617",
                "type": "color"
            }
        }
    }
}

Palettes built on #151B08

Color Lab

Pairs with #151B08

UI roles & guardrails

In real applications

Scales

Every model

Export