What color is #201837?

#201837 is a very dark indigo. In RGB it is rgb(32, 24, 55), and in HSL hsl(255, 39%, 15%).

Is #201837 accessible as text?

On white, #201837 has a contrast ratio of 16.84:1 (passes WCAG AA for body text); on black it is 1.25:1 (fails). For text placed on #201837, use white for the best readability.

What is the closest Tailwind color to #201837?

The nearest Tailwind CSS token is indigo-950 (#1E1A4D).

What colors go well with #201837?

#201837 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #2E3517. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #201837 below.

Is #201837 good for buttons?

#201837 works well for buttons and highlights, but use white text on #201837 — black text only reaches 1.25:1, below the 4.5:1 needed for normal-size labels.

Is #201837 the same as CSS midnightblue?

No — #201837 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#201837 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #201837

Not just a swatch — here's how #201837 works with other colors. Named schemes with #201837 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #201837 Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #23334A

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 #201837 Secondary #AFB4B8 Surface #F1F2F0 Support #7F92A7 Anchor #2E3236

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

Vintage Leather Lead · 5 colors

Lead #201837 Secondary #7E4632 Surface #EDD8C2 Accent #355248 Anchor #582237

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.

Luxury Packaging Feature · 5 colors

Feature #201837 Anchor #141210 Accent #DA9856 Secondary #292732 Surface #F3ECE3

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 #F8F4EF Accent #201837 Secondary #42404C Support #9D9088 Ink #18140F

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 #201837 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 42/100

Neutral

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

Softness 24/100

Low

Firm and assertive — carries weight and contrast.

Depth 74/100

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 31/100

Low

A faint retro warmth without tipping into sepia.

Luxury 75/100

High

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

Brand distinctiveness 22/100

Low

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

UI accent fit 17/100

Very low

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

Surface fit 52/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 92/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #201837

For UI

For branding

For interior

For fashion

People also use #201837 with

Prussian Blue Russian Violet Sacramento Green Gainsboro

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 16.8:1. Use

Subtle surface Use #CEC7E0 for cards and hover fills. Tint 80

Avoid beside #291735 — 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 #201837 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: #201837;
  --color-base-rgb: 32 24 55;
  --color-base-oklch: oklch(23.6% 0.058 293.3);
  --color-50: #F6F4FB;
  --color-100: #E6E2F3;
  --color-200: #CEC6E6;
  --color-300: #AB9ED1;
  --color-400: #8979B9;
  --color-500: #69589D;
  --color-600: #554979;
  --color-700: #403857;
  --color-800: #2C273A;
  --color-900: #1C1924;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  graphite: {
    50: '#F6F4FB',
    100: '#E6E2F3',
    200: '#CEC6E6',
    300: '#AB9ED1',
    400: '#8979B9',
    500: '#69589D',
    600: '#554979',
    700: '#403857',
    800: '#2C273A',
    900: '#1C1924',
  },
}

$base: #201837;
$base-ink: #FFFFFF;
$base-50: #F6F4FB;
$base-100: #E6E2F3;
$base-200: #CEC6E6;
$base-300: #AB9ED1;
$base-400: #8979B9;
$base-500: #69589D;
$base-600: #554979;
$base-700: #403857;
$base-800: #2C273A;
$base-900: #1C1924;
$base-hover: #19132B;
$base-subtle: #B4ABD1;

{
    "color": {
        "base": {
            "value": "#201837",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F4FB",
                "type": "color"
            },
            "100": {
                "value": "#E6E2F3",
                "type": "color"
            },
            "200": {
                "value": "#CEC6E6",
                "type": "color"
            },
            "300": {
                "value": "#AB9ED1",
                "type": "color"
            },
            "400": {
                "value": "#8979B9",
                "type": "color"
            },
            "500": {
                "value": "#69589D",
                "type": "color"
            },
            "600": {
                "value": "#554979",
                "type": "color"
            },
            "700": {
                "value": "#403857",
                "type": "color"
            },
            "800": {
                "value": "#2C273A",
                "type": "color"
            },
            "900": {
                "value": "#1C1924",
                "type": "color"
            }
        }
    }
}