What color is #102421?

#102421 is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(16, 36, 33), and in HSL hsl(171, 38%, 10%).

Is #102421 accessible as text?

On white, #102421 has a contrast ratio of 16.20:1 (passes WCAG AA for body text); on black it is 1.30:1 (fails). For text placed on #102421, use white for the best readability.

What is the closest Tailwind color to #102421?

The nearest Tailwind CSS token is neutral-800 (#262626).

What colors go well with #102421?

As a neutral, #102421 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 #102421 the same as CSS midnightblue?

No — #102421 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.

#102421 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #102421

Not just a swatch — here's how #102421 works with other colors. Named schemes with #102421 in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #102421 Secondary #724F18 Surface #E4DCC0 Accent #3A5142 Anchor #5B241E

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 #102421 Surface #EDEADC Highlight #F5F1E7 Secondary #B5B19F Ink #2A2723

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 #102421 Anchor #141210 Accent #BAA94D Secondary #1E2C2A Surface #F1EDE3

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.

Moody Editorial Color · 5 colors

Color #102421 Anchor #292A2E Secondary #6D6E74 Surface #EBE7DA Accent #010809

Graphite adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Graphite.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #102421 Secondary #3E4543 Support #979286 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 #102421 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 45/100

Neutral

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

Softness 26/100

Low

Firm and assertive — carries weight and contrast.

Depth 71/100

High

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

Naturalness 12/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 24/100

Low

Clean and current — no dusty, aged cast.

Luxury 72/100

High

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

Brand distinctiveness 10/100

Very low

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

UI accent fit 14/100

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 94/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #102421

For UI

For branding

For interior

For fashion

People also use #102421 with

British Racing Green Graphite Platinum Dark Slate Gray

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 16.2:1. Use

Subtle surface Use #C5DEDA for cards and hover fills. Tint 80

Avoid beside #102023 — 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 #102421 at work across the surfaces designers actually ship.

Website / UI

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Export

:root {
  --color-base: #102421;
  --color-base-rgb: 16 36 33;
  --color-base-oklch: oklch(24.2% 0.027 183.3);
  --color-50: #F4FBFA;
  --color-100: #E2F3F0;
  --color-200: #C7E6E1;
  --color-300: #9FD0C9;
  --color-400: #7AB8AF;
  --color-500: #599C92;
  --color-600: #497971;
  --color-700: #385752;
  --color-800: #273A37;
  --color-900: #192422;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F4FBFA',
    100: '#E2F3F0',
    200: '#C7E6E1',
    300: '#9FD0C9',
    400: '#7AB8AF',
    500: '#599C92',
    600: '#497971',
    700: '#385752',
    800: '#273A37',
    900: '#192422',
  },
}

$base: #102421;
$base-ink: #FFFFFF;
$base-50: #F4FBFA;
$base-100: #E2F3F0;
$base-200: #C7E6E1;
$base-300: #9FD0C9;
$base-400: #7AB8AF;
$base-500: #599C92;
$base-600: #497971;
$base-700: #385752;
$base-800: #273A37;
$base-900: #192422;
$base-hover: #0D1C1A;
$base-subtle: #A6CEC8;

{
    "color": {
        "base": {
            "value": "#102421",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FBFA",
                "type": "color"
            },
            "100": {
                "value": "#E2F3F0",
                "type": "color"
            },
            "200": {
                "value": "#C7E6E1",
                "type": "color"
            },
            "300": {
                "value": "#9FD0C9",
                "type": "color"
            },
            "400": {
                "value": "#7AB8AF",
                "type": "color"
            },
            "500": {
                "value": "#599C92",
                "type": "color"
            },
            "600": {
                "value": "#497971",
                "type": "color"
            },
            "700": {
                "value": "#385752",
                "type": "color"
            },
            "800": {
                "value": "#273A37",
                "type": "color"
            },
            "900": {
                "value": "#192422",
                "type": "color"
            }
        }
    }
}

Palettes built on #102421

Color Lab

Pairs with #102421

UI roles & guardrails

In real applications

Scales

Every model

Export