What color is #10231E?

#10231E is a very dark low-chroma cool gray with a subtle cool cast. In RGB it is rgb(16, 35, 30), and in HSL hsl(164, 37%, 10%).

Is #10231E accessible as text?

On white, #10231E has a contrast ratio of 16.39:1 (passes WCAG AA for body text); on black it is 1.28:1 (fails). For text placed on #10231E, use white for the best readability.

What is the closest Tailwind color to #10231E?

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

What colors go well with #10231E?

As a neutral, #10231E 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 #10231E the same as CSS midnightblue?

No — #10231E 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.

#10231E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #10231E

Not just a swatch — here's how #10231E works with other colors. Named schemes with #10231E in its natural role, and a note on why the supporting colors balance it.

Vintage Leather Lead · 5 colors

Lead #10231E Secondary #734F19 Surface #E4DCC0 Accent #3B5141 Anchor #5B231F

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 #10231E 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 #10231E Anchor #141210 Accent #BCA84C Secondary #1F2C28 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 #10231E Anchor #292A2E Secondary #6D6F74 Surface #EBE7DA Accent #000707

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 #10231E Secondary #3D4441 Support #989286 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 #10231E 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 72/100

High

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

Naturalness 18/100

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 #10231E

For UI

For branding

For interior

For fashion

People also use #10231E 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 16.4:1. Use

Subtle surface Use #C5DDD7 for cards and hover fills. Tint 80

Avoid beside #102223 — 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 #10231E at work across the surfaces designers actually ship.

Website / UI

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Dashboard

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$48.2k ▲ 12%

Brand

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Studio

Poster

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Packaging

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250 ml

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Export

:root {
  --color-base: #10231E;
  --color-base-rgb: 16 35 30;
  --color-base-oklch: oklch(23.8% 0.027 175.1);
  --color-50: #F4FAF9;
  --color-100: #E3F3EE;
  --color-200: #C7E5DD;
  --color-300: #A0CFC3;
  --color-400: #7AB8A7;
  --color-500: #5A9B8A;
  --color-600: #4A786C;
  --color-700: #38564E;
  --color-800: #283935;
  --color-900: #1A2421;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F4FAF9',
    100: '#E3F3EE',
    200: '#C7E5DD',
    300: '#A0CFC3',
    400: '#7AB8A7',
    500: '#5A9B8A',
    600: '#4A786C',
    700: '#38564E',
    800: '#283935',
    900: '#1A2421',
  },
}

$base: #10231E;
$base-ink: #FFFFFF;
$base-50: #F4FAF9;
$base-100: #E3F3EE;
$base-200: #C7E5DD;
$base-300: #A0CFC3;
$base-400: #7AB8A7;
$base-500: #5A9B8A;
$base-600: #4A786C;
$base-700: #38564E;
$base-800: #283935;
$base-900: #1A2421;
$base-hover: #0D1C18;
$base-subtle: #A7CEC3;

{
    "color": {
        "base": {
            "value": "#10231E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4FAF9",
                "type": "color"
            },
            "100": {
                "value": "#E3F3EE",
                "type": "color"
            },
            "200": {
                "value": "#C7E5DD",
                "type": "color"
            },
            "300": {
                "value": "#A0CFC3",
                "type": "color"
            },
            "400": {
                "value": "#7AB8A7",
                "type": "color"
            },
            "500": {
                "value": "#5A9B8A",
                "type": "color"
            },
            "600": {
                "value": "#4A786C",
                "type": "color"
            },
            "700": {
                "value": "#38564E",
                "type": "color"
            },
            "800": {
                "value": "#283935",
                "type": "color"
            },
            "900": {
                "value": "#1A2421",
                "type": "color"
            }
        }
    }
}

Palettes built on #10231E

Color Lab

Pairs with #10231E

UI roles & guardrails

In real applications

Scales

Every model

Export