What color is #151C13?

#151C13 is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(21, 28, 19), and in HSL hsl(107, 19%, 9%).

Is #151C13 accessible as text?

On white, #151C13 has a contrast ratio of 17.39:1 (passes WCAG AA for body text); on black it is 1.21:1 (fails). For text placed on #151C13, use white for the best readability.

What is the closest Tailwind color to #151C13?

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

What colors go well with #151C13?

As a neutral, #151C13 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 #151C13 the same as CSS midnightblue?

No — #151C13 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.

#151C13 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #151C13

Not just a swatch — here's how #151C13 works with other colors. Named schemes with #151C13 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #151C13 Secondary #4D6B3B Accent #AE6B00 Surface #EFEAD6 Anchor #3D2F21

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

Tech Product Signal · 5 colors

Signal #151C13 Surface #13161A Highlight #F4F6F8 Secondary #576770 Accent #323930

Graphite is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Graphite.

Vintage Leather Lead · 5 colors

Lead #151C13 Secondary #754D1C Surface #E6DBC0 Accent #3D513F Anchor #5B2323

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 #151C13 Surface #EEE9DC Highlight #F5F1E7 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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #151C13 Secondary #3A3D39 Support #989286 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 #151C13 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 50/100

Neutral

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

Softness 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 73/100

High

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

Naturalness 36/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 25/100

Low

A faint retro warmth without tipping into sepia.

Luxury 73/100

High

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

Brand distinctiveness 8/100

Very low

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

UI accent fit 10/100

Very low

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

Surface fit 65/100

High

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

Print safety 96/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #151C13

For UI

For branding

For interior

For fashion

People also use #151C13 with

Bistre Graphite Platinum Brunswick 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 17.4:1. Use

Subtle surface Use #CDD7CA for cards and hover fills. Tint 80

Avoid beside #131B14 — 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 #151C13 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: #151C13;
  --color-base-rgb: 21 28 19;
  --color-base-oklch: oklch(21.6% 0.020 138.8);
  --color-50: #F6F9F6;
  --color-100: #E8EFE7;
  --color-200: #D2DECE;
  --color-300: #B1C4AB;
  --color-400: #90A989;
  --color-500: #718B6A;
  --color-600: #5A6D55;
  --color-700: #434F40;
  --color-800: #2E352C;
  --color-900: #1D211C;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F6F9F6',
    100: '#E8EFE7',
    200: '#D2DECE',
    300: '#B1C4AB',
    400: '#90A989',
    500: '#718B6A',
    600: '#5A6D55',
    700: '#434F40',
    800: '#2E352C',
    900: '#1D211C',
  },
}

$base: #151C13;
$base-ink: #FFFFFF;
$base-50: #F6F9F6;
$base-100: #E8EFE7;
$base-200: #D2DECE;
$base-300: #B1C4AB;
$base-400: #90A989;
$base-500: #718B6A;
$base-600: #5A6D55;
$base-700: #434F40;
$base-800: #2E352C;
$base-900: #1D211C;
$base-hover: #10160F;
$base-subtle: #B4C3AF;

{
    "color": {
        "base": {
            "value": "#151C13",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F9F6",
                "type": "color"
            },
            "100": {
                "value": "#E8EFE7",
                "type": "color"
            },
            "200": {
                "value": "#D2DECE",
                "type": "color"
            },
            "300": {
                "value": "#B1C4AB",
                "type": "color"
            },
            "400": {
                "value": "#90A989",
                "type": "color"
            },
            "500": {
                "value": "#718B6A",
                "type": "color"
            },
            "600": {
                "value": "#5A6D55",
                "type": "color"
            },
            "700": {
                "value": "#434F40",
                "type": "color"
            },
            "800": {
                "value": "#2E352C",
                "type": "color"
            },
            "900": {
                "value": "#1D211C",
                "type": "color"
            }
        }
    }
}

Palettes built on #151C13

Color Lab

Pairs with #151C13

UI roles & guardrails

In real applications

Scales

Every model

Export