What color is #20183C?

#20183C is a very dark indigo. In RGB it is rgb(32, 24, 60), and in HSL hsl(253, 43%, 16%).

Is #20183C accessible as text?

On white, #20183C has a contrast ratio of 16.70:1 (passes WCAG AA for body text); on black it is 1.26:1 (fails). For text placed on #20183C, use white for the best readability.

What is the closest Tailwind color to #20183C?

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

What colors go well with #20183C?

#20183C pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #333A17. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #20183C below.

Is #20183C good for buttons?

#20183C works well for buttons and highlights, but use white text on #20183C — black text only reaches 1.26:1, below the 4.5:1 needed for normal-size labels.

Is #20183C the same as CSS midnightblue?

No — #20183C is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#20183C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #20183C

Not just a swatch — here's how #20183C works with other colors. Named schemes with #20183C in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #20183C Accent #A5C4C3 Surface #E9D6BF Secondary #9AA0A1 Anchor #22334A

Russian Violet 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 #20183C Secondary #AFB4B8 Surface #F1F2F0 Support #7F92A7 Anchor #2E3236

Russian Violet 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 #20183C Secondary #7E4633 Surface #EDD8C2 Accent #355248 Anchor #582237

Russian Violet 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 #20183C Anchor #141210 Accent #DB9757 Secondary #292732 Surface #F3ECE3

Russian Violet 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 #20183C Secondary #42404E Support #9D9088 Ink #18140F

Russian Violet 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 Russian Violet carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #20183C 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 40/100

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 33/100

Low

A faint retro warmth without tipping into sepia.

Luxury 76/100

High

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

Brand distinctiveness 26/100

Low

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

UI accent fit 19/100

Very low

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

Surface fit 49/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 91/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #20183C

For UI

For branding

For interior

For fashion

People also use #20183C with

Prussian Blue Russian Violet Espresso 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 16.7:1. Use

Subtle surface Use #CDC7E1 for cards and hover fills. Tint 80

Avoid beside #2B173A — 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 #20183C at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #20183C;
  --color-base-rgb: 32 24 60;
  --color-base-oklch: oklch(24.0% 0.067 290.8);
  --color-50: #F5F4FB;
  --color-100: #E5E1F4;
  --color-200: #CCC5E8;
  --color-300: #A89CD3;
  --color-400: #8575BD;
  --color-500: #6555A0;
  --color-600: #52467C;
  --color-700: #3E3659;
  --color-800: #2B263B;
  --color-900: #1B1924;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  russian-violet: {
    50: '#F5F4FB',
    100: '#E5E1F4',
    200: '#CCC5E8',
    300: '#A89CD3',
    400: '#8575BD',
    500: '#6555A0',
    600: '#52467C',
    700: '#3E3659',
    800: '#2B263B',
    900: '#1B1924',
  },
}

$base: #20183C;
$base-ink: #FFFFFF;
$base-50: #F5F4FB;
$base-100: #E5E1F4;
$base-200: #CCC5E8;
$base-300: #A89CD3;
$base-400: #8575BD;
$base-500: #6555A0;
$base-600: #52467C;
$base-700: #3E3659;
$base-800: #2B263B;
$base-900: #1B1924;
$base-hover: #19132F;
$base-subtle: #B3AAD4;

{
    "color": {
        "base": {
            "value": "#20183C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F4FB",
                "type": "color"
            },
            "100": {
                "value": "#E5E1F4",
                "type": "color"
            },
            "200": {
                "value": "#CCC5E8",
                "type": "color"
            },
            "300": {
                "value": "#A89CD3",
                "type": "color"
            },
            "400": {
                "value": "#8575BD",
                "type": "color"
            },
            "500": {
                "value": "#6555A0",
                "type": "color"
            },
            "600": {
                "value": "#52467C",
                "type": "color"
            },
            "700": {
                "value": "#3E3659",
                "type": "color"
            },
            "800": {
                "value": "#2B263B",
                "type": "color"
            },
            "900": {
                "value": "#1B1924",
                "type": "color"
            }
        }
    }
}