What color is #232E4B?

#232E4B is a dark blue. In RGB it is rgb(35, 46, 75), and in HSL hsl(224, 36%, 22%).

Is #232E4B accessible as text?

On white, #232E4B has a contrast ratio of 13.43:1 (passes WCAG AA for body text); on black it is 1.56:1 (fails). For text placed on #232E4B, use white for the best readability.

What is the closest Tailwind color to #232E4B?

The nearest Tailwind CSS token is sky-950 (#052F4A).

What colors go well with #232E4B?

#232E4B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4C4224. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #232E4B below.

Is #232E4B good for buttons?

#232E4B works well for buttons and highlights, but use white text on #232E4B — black text only reaches 1.56:1, below the 4.5:1 needed for normal-size labels.

Is #232E4B the same as CSS midnightblue?

No — #232E4B is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#232E4B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #232E4B

Not just a swatch — here's how #232E4B works with other colors. Named schemes with #232E4B in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #232E4B Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Prussian Blue 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 #232E4B Secondary #AEB4B8 Surface #F1F2F0 Support #7D92A7 Anchor #2E3236

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

Tech Product Signal · 5 colors

Signal #232E4B Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #434E6A

Prussian Blue is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Prussian Blue.

Vintage Leather Lead · 5 colors

Lead #232E4B Secondary #7F4535 Surface #EED7C2 Accent #365246 Anchor #58223A

Prussian Blue plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #232E4B Secondary #4F545F Support #9D8F88 Ink #18140F

Prussian Blue 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 Prussian Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #232E4B 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 37/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 31/100

Low

Firm and assertive — carries weight and contrast.

Depth 67/100

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 69/100

High

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

Brand distinctiveness 21/100

Low

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

UI accent fit 31/100

Low

Workable accent with care around contrast.

Surface fit 48/100

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 #232E4B

For UI

For branding

For interior

For fashion

People also use #232E4B with

Feldgrau Russian Violet Taupe Gainsboro Charcoal

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 13.4:1. Use

Subtle surface Use #CDD2E2 for cards and hover fills. Tint 80

Avoid beside #27244C — 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 #232E4B 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: #232E4B;
  --color-base-rgb: 35 46 75;
  --color-base-oklch: oklch(30.6% 0.055 267.4);
  --color-50: #F4F6FA;
  --color-100: #E3E7F2;
  --color-200: #C8CFE5;
  --color-300: #A0ADCF;
  --color-400: #7B8BB7;
  --color-500: #5B6C9A;
  --color-600: #4A5677;
  --color-700: #394156;
  --color-800: #282C39;
  --color-900: #1A1C23;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  prussian-blue: {
    50: '#F4F6FA',
    100: '#E3E7F2',
    200: '#C8CFE5',
    300: '#A0ADCF',
    400: '#7B8BB7',
    500: '#5B6C9A',
    600: '#4A5677',
    700: '#394156',
    800: '#282C39',
    900: '#1A1C23',
  },
}

$base: #232E4B;
$base-ink: #FFFFFF;
$base-50: #F4F6FA;
$base-100: #E3E7F2;
$base-200: #C8CFE5;
$base-300: #A0ADCF;
$base-400: #7B8BB7;
$base-500: #5B6C9A;
$base-600: #4A5677;
$base-700: #394156;
$base-800: #282C39;
$base-900: #1A1C23;
$base-hover: #1D253D;
$base-subtle: #B3BCD4;

{
    "color": {
        "base": {
            "value": "#232E4B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F6FA",
                "type": "color"
            },
            "100": {
                "value": "#E3E7F2",
                "type": "color"
            },
            "200": {
                "value": "#C8CFE5",
                "type": "color"
            },
            "300": {
                "value": "#A0ADCF",
                "type": "color"
            },
            "400": {
                "value": "#7B8BB7",
                "type": "color"
            },
            "500": {
                "value": "#5B6C9A",
                "type": "color"
            },
            "600": {
                "value": "#4A5677",
                "type": "color"
            },
            "700": {
                "value": "#394156",
                "type": "color"
            },
            "800": {
                "value": "#282C39",
                "type": "color"
            },
            "900": {
                "value": "#1A1C23",
                "type": "color"
            }
        }
    }
}