What color is #231D1B?

#231D1B is a very dark low-chroma warm gray with a subtle warm cast. In RGB it is rgb(35, 29, 27), and in HSL hsl(15, 13%, 12%).

Is #231D1B accessible as text?

On white, #231D1B has a contrast ratio of 16.63:1 (passes WCAG AA for body text); on black it is 1.26:1 (fails). For text placed on #231D1B, use white for the best readability.

What is the closest Tailwind color to #231D1B?

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

What colors go well with #231D1B?

As a neutral, #231D1B 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 #231D1B the same as CSS midnightblue?

No — #231D1B 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.

#231D1B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #231D1B

Not just a swatch — here's how #231D1B works with other colors. Named schemes with #231D1B in its natural role, and a note on why the supporting colors balance it.

Tech Product Signal · 5 colors

Signal #231D1B Surface #15161A Highlight #F4F6F8 Secondary #5F6473 Accent #413B39

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 #231D1B Secondary #7B4926 Surface #EAD9C0 Accent #42503B Anchor #5B222D

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 #231D1B Surface #F0E9DC Highlight #F7F1E7 Secondary #BAAE9F 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.

Luxury Packaging Feature · 5 colors

Feature #231D1B Anchor #141210 Accent #CF9F4D Secondary #322622 Surface #F2EDE3

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.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #231D1B Secondary #434140 Support #9B9186 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.

Build a working theme in the generator →

Color Lab

How #231D1B 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 53/100

Neutral

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

Softness 27/100

Low

Firm and assertive — carries weight and contrast.

Depth 71/100

High

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

Naturalness 27/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 30/100

Low

A faint retro warmth without tipping into sepia.

Luxury 71/100

High

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

Brand distinctiveness 4/100

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 67/100

High

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

Print safety 99/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #231D1B

For UI

For branding

For interior

For fashion

People also use #231D1B with

Bistre Graphite Gainsboro Taupe

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 16.6:1. Use

Subtle surface Use #D6D0CE for cards and hover fills. Tint 80

Avoid beside #231F1B — 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 #231D1B 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: #231D1B;
  --color-base-rgb: 35 29 27;
  --color-base-oklch: oklch(23.7% 0.010 39.3);
  --color-50: #F8F7F6;
  --color-100: #EDE9E8;
  --color-200: #DBD4D1;
  --color-300: #C0B3AF;
  --color-400: #A4948E;
  --color-500: #86756F;
  --color-600: #695D59;
  --color-700: #4D4542;
  --color-800: #342F2D;
  --color-900: #201E1D;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F8F7F6',
    100: '#EDE9E8',
    200: '#DBD4D1',
    300: '#C0B3AF',
    400: '#A4948E',
    500: '#86756F',
    600: '#695D59',
    700: '#4D4542',
    800: '#342F2D',
    900: '#201E1D',
  },
}

$base: #231D1B;
$base-ink: #FFFFFF;
$base-50: #F8F7F6;
$base-100: #EDE9E8;
$base-200: #DBD4D1;
$base-300: #C0B3AF;
$base-400: #A4948E;
$base-500: #86756F;
$base-600: #695D59;
$base-700: #4D4542;
$base-800: #342F2D;
$base-900: #201E1D;
$base-hover: #1C1715;
$base-subtle: #C2B8B5;

{
    "color": {
        "base": {
            "value": "#231D1B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F8F7F6",
                "type": "color"
            },
            "100": {
                "value": "#EDE9E8",
                "type": "color"
            },
            "200": {
                "value": "#DBD4D1",
                "type": "color"
            },
            "300": {
                "value": "#C0B3AF",
                "type": "color"
            },
            "400": {
                "value": "#A4948E",
                "type": "color"
            },
            "500": {
                "value": "#86756F",
                "type": "color"
            },
            "600": {
                "value": "#695D59",
                "type": "color"
            },
            "700": {
                "value": "#4D4542",
                "type": "color"
            },
            "800": {
                "value": "#342F2D",
                "type": "color"
            },
            "900": {
                "value": "#201E1D",
                "type": "color"
            }
        }
    }
}

Palettes built on #231D1B

Color Lab

Pairs with #231D1B

UI roles & guardrails

In real applications

Scales

Every model

Export