What color is #151F17?

#151F17 is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(21, 31, 23), and in HSL hsl(132, 19%, 10%).

Is #151F17 accessible as text?

On white, #151F17 has a contrast ratio of 16.93:1 (passes WCAG AA for body text); on black it is 1.24:1 (fails). For text placed on #151F17, use white for the best readability.

What is the closest Tailwind color to #151F17?

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

What colors go well with #151F17?

As a neutral, #151F17 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 #151F17 the same as CSS midnightblue?

No — #151F17 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.

#151F17 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #151F17

Not just a swatch — here's how #151F17 works with other colors. Named schemes with #151F17 in its natural role, and a note on why the supporting colors balance it.

Botanical Studio Lead · 5 colors

Lead #151F17 Secondary #4B6C3C Accent #AD6C00 Surface #EEEAD6 Anchor #3C2F20

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 #151F17 Surface #13161A Highlight #F4F6F8 Secondary #586770 Accent #333D35

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 #151F17 Secondary #754E1B Surface #E5DBC0 Accent #3C5140 Anchor #5B2321

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 #151F17 Surface #EEEADC Highlight #F5F1E7 Secondary #B6B09F 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 #151F17 Secondary #3C403D 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 #151F17 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 49/100

Neutral

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

Softness 25/100

Low

Firm and assertive — carries weight and contrast.

Depth 72/100

High

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

Naturalness 33/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 25/100

Low

Clean and current — no dusty, aged cast.

Luxury 72/100

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 11/100

Very low

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

Surface fit 64/100

High

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

Print safety 95/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #151F17

For UI

For branding

For interior

For fashion

People also use #151F17 with

Bottle Green 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 16.9:1. Use

Subtle surface Use #CBD7CD for cards and hover fills. Tint 80

Avoid beside #151E1A — 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 #151F17 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: #151F17;
  --color-base-rgb: 21 31 23;
  --color-base-oklch: oklch(22.7% 0.021 150.5);
  --color-50: #F6F9F6;
  --color-100: #E7EFE8;
  --color-200: #CEDED2;
  --color-300: #ABC4B0;
  --color-400: #89A990;
  --color-500: #6A8B70;
  --color-600: #556D5A;
  --color-700: #404F43;
  --color-800: #2C352E;
  --color-900: #1C211D;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F6F9F6',
    100: '#E7EFE8',
    200: '#CEDED2',
    300: '#ABC4B0',
    400: '#89A990',
    500: '#6A8B70',
    600: '#556D5A',
    700: '#404F43',
    800: '#2C352E',
    900: '#1C211D',
  },
}

$base: #151F17;
$base-ink: #FFFFFF;
$base-50: #F6F9F6;
$base-100: #E7EFE8;
$base-200: #CEDED2;
$base-300: #ABC4B0;
$base-400: #89A990;
$base-500: #6A8B70;
$base-600: #556D5A;
$base-700: #404F43;
$base-800: #2C352E;
$base-900: #1C211D;
$base-hover: #111812;
$base-subtle: #B0C4B4;

{
    "color": {
        "base": {
            "value": "#151F17",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F9F6",
                "type": "color"
            },
            "100": {
                "value": "#E7EFE8",
                "type": "color"
            },
            "200": {
                "value": "#CEDED2",
                "type": "color"
            },
            "300": {
                "value": "#ABC4B0",
                "type": "color"
            },
            "400": {
                "value": "#89A990",
                "type": "color"
            },
            "500": {
                "value": "#6A8B70",
                "type": "color"
            },
            "600": {
                "value": "#556D5A",
                "type": "color"
            },
            "700": {
                "value": "#404F43",
                "type": "color"
            },
            "800": {
                "value": "#2C352E",
                "type": "color"
            },
            "900": {
                "value": "#1C211D",
                "type": "color"
            }
        }
    }
}

Palettes built on #151F17

Color Lab

Pairs with #151F17

UI roles & guardrails

In real applications

Scales

Every model

Export