What color is #231D44?

#231D44 is a dark indigo. In RGB it is rgb(35, 29, 68), and in HSL hsl(249, 40%, 19%).

Is #231D44 accessible as text?

On white, #231D44 has a contrast ratio of 15.78:1 (passes WCAG AA for body text); on black it is 1.33:1 (fails). For text placed on #231D44, use white for the best readability.

What is the closest Tailwind color to #231D44?

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

What colors go well with #231D44?

#231D44 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3E441D. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #231D44 below.

Is #231D44 good for buttons?

#231D44 works well for buttons and highlights, but use white text on #231D44 — black text only reaches 1.33:1, below the 4.5:1 needed for normal-size labels.

Is #231D44 the same as CSS midnightblue?

No — #231D44 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#231D44 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #231D44

Not just a swatch — here's how #231D44 works with other colors. Named schemes with #231D44 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #231D44 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 #231D44 Secondary #AFB4B8 Surface #F1F2F0 Support #7E92A7 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 #231D44 Secondary #7E4633 Surface #EDD8C2 Accent #365247 Anchor #582238

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 #231D44 Anchor #141210 Accent #DB9757 Secondary #282732 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 #231D44 Secondary #474655 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 #231D44 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 39/100

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 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 35/100

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 27/100

Low

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

UI accent fit 23/100

Low

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

Surface fit 47/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 90/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #231D44

For UI

For branding

For interior

For fashion

People also use #231D44 with

Charcoal Russian Violet Taupe Gainsboro Prussian Blue

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 15.8:1. Use

Subtle surface Use #CDCAE2 for cards and hover fills. Tint 80

Avoid beside #301D44 — 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 #231D44 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: #231D44;
  --color-base-rgb: 35 29 68;
  --color-base-oklch: oklch(26.1% 0.071 287.5);
  --color-50: #F5F4FB;
  --color-100: #E5E2F3;
  --color-200: #CBC6E6;
  --color-300: #A69ED1;
  --color-400: #8278BA;
  --color-500: #62579E;
  --color-600: #4F487A;
  --color-700: #3C3758;
  --color-800: #2A273A;
  --color-900: #1B1924;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  russian-violet: {
    50: '#F5F4FB',
    100: '#E5E2F3',
    200: '#CBC6E6',
    300: '#A69ED1',
    400: '#8278BA',
    500: '#62579E',
    600: '#4F487A',
    700: '#3C3758',
    800: '#2A273A',
    900: '#1B1924',
  },
}

$base: #231D44;
$base-ink: #FFFFFF;
$base-50: #F5F4FB;
$base-100: #E5E2F3;
$base-200: #CBC6E6;
$base-300: #A69ED1;
$base-400: #8278BA;
$base-500: #62579E;
$base-600: #4F487A;
$base-700: #3C3758;
$base-800: #2A273A;
$base-900: #1B1924;
$base-hover: #1C1736;
$base-subtle: #B4AED4;

{
    "color": {
        "base": {
            "value": "#231D44",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F4FB",
                "type": "color"
            },
            "100": {
                "value": "#E5E2F3",
                "type": "color"
            },
            "200": {
                "value": "#CBC6E6",
                "type": "color"
            },
            "300": {
                "value": "#A69ED1",
                "type": "color"
            },
            "400": {
                "value": "#8278BA",
                "type": "color"
            },
            "500": {
                "value": "#62579E",
                "type": "color"
            },
            "600": {
                "value": "#4F487A",
                "type": "color"
            },
            "700": {
                "value": "#3C3758",
                "type": "color"
            },
            "800": {
                "value": "#2A273A",
                "type": "color"
            },
            "900": {
                "value": "#1B1924",
                "type": "color"
            }
        }
    }
}