What color is #04151E?

#04151E is a very dark low-chroma blue-gray with a subtle blue cast. In RGB it is rgb(4, 21, 30), and in HSL hsl(201, 76%, 7%).

Is #04151E accessible as text?

On white, #04151E has a contrast ratio of 18.56:1 (passes WCAG AA for body text); on black it is 1.13:1 (fails). For text placed on #04151E, use white for the best readability.

What is the closest Tailwind color to #04151E?

The nearest Tailwind CSS token is gray-900 (#101828).

What colors go well with #04151E?

As a neutral, #04151E 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 #04151E the same as CSS midnightblue?

No — #04151E 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.

#04151E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #04151E

Not just a swatch — here's how #04151E works with other colors. Named schemes with #04151E in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #04151E Accent #A6C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Graphite opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Nordic Calm Accent · 5 colors

Accent #04151E Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A6 Anchor #2E3236

Graphite keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Tech Product Signal · 5 colors

Signal #04151E Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #21323B

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 #04151E Secondary #6F5216 Surface #E2DCC0 Accent #385244 Anchor #56233D

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.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #04151E Secondary #2F3539 Support #969386 Ink #16140F

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 #04151E 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 41/100

Neutral

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

Softness 21/100

Low

Firm and assertive — carries weight and contrast.

Depth 77/100

High

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 19/100

Very low

Clean and current — no dusty, aged cast.

Luxury 76/100

High

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

Brand distinctiveness 12/100

Very low

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

UI accent fit 8/100

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 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #04151E

For UI

For branding

For interior

For fashion

People also use #04151E with

Bottle Green Jet Black Platinum Charcoal

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 18.6:1. Use

Subtle surface Use #B6D7EA for cards and hover fills. Tint 80

Avoid beside #040D1F — 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 #04151E 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: #04151E;
  --color-base-rgb: 4 21 30;
  --color-base-oklch: oklch(18.6% 0.030 232.7);
  --color-50: #F1F9FE;
  --color-100: #DAF0FB;
  --color-200: #B7DFF5;
  --color-300: #87C6E9;
  --color-400: #5AACD8;
  --color-500: #378EBD;
  --color-600: #326F90;
  --color-700: #295166;
  --color-800: #1E3643;
  --color-900: #142229;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F1F9FE',
    100: '#DAF0FB',
    200: '#B7DFF5',
    300: '#87C6E9',
    400: '#5AACD8',
    500: '#378EBD',
    600: '#326F90',
    700: '#295166',
    800: '#1E3643',
    900: '#142229',
  },
}

$base: #04151E;
$base-ink: #FFFFFF;
$base-50: #F1F9FE;
$base-100: #DAF0FB;
$base-200: #B7DFF5;
$base-300: #87C6E9;
$base-400: #5AACD8;
$base-500: #378EBD;
$base-600: #326F90;
$base-700: #295166;
$base-800: #1E3643;
$base-900: #142229;
$base-hover: #031219;
$base-subtle: #8FC4E1;

{
    "color": {
        "base": {
            "value": "#04151E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F9FE",
                "type": "color"
            },
            "100": {
                "value": "#DAF0FB",
                "type": "color"
            },
            "200": {
                "value": "#B7DFF5",
                "type": "color"
            },
            "300": {
                "value": "#87C6E9",
                "type": "color"
            },
            "400": {
                "value": "#5AACD8",
                "type": "color"
            },
            "500": {
                "value": "#378EBD",
                "type": "color"
            },
            "600": {
                "value": "#326F90",
                "type": "color"
            },
            "700": {
                "value": "#295166",
                "type": "color"
            },
            "800": {
                "value": "#1E3643",
                "type": "color"
            },
            "900": {
                "value": "#142229",
                "type": "color"
            }
        }
    }
}

Palettes built on #04151E

Color Lab

Pairs with #04151E

UI roles & guardrails

In real applications

Scales

Every model

Export