What color is #232F5E?

#232F5E is a dark blue. In RGB it is rgb(35, 47, 94), and in HSL hsl(228, 46%, 25%).

Is #232F5E accessible as text?

On white, #232F5E has a contrast ratio of 12.81:1 (passes WCAG AA for body text); on black it is 1.64:1 (fails). For text placed on #232F5E, use white for the best readability.

What is the closest Tailwind color to #232F5E?

The nearest Tailwind CSS token is blue-950 (#162456).

What colors go well with #232F5E?

#232F5E pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5D5122. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #232F5E below.

Is #232F5E good for buttons?

#232F5E works well for buttons and highlights, but use white text on #232F5E — black text only reaches 1.64:1, below the 4.5:1 needed for normal-size labels.

Is #232F5E the same as CSS midnightblue?

No — #232F5E is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#232F5E Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #232F5E

Not just a swatch — here's how #232F5E works with other colors. Named schemes with #232F5E in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #232F5E Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Yale 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 #232F5E Secondary #AEB4B8 Surface #F1F2F0 Support #7D92A7 Anchor #2E3236

Yale 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 #232F5E Surface #14161A Highlight #F4F6F8 Secondary #5B6672 Accent #43507D

Yale 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 Yale Blue.

Vintage Leather Lead · 5 colors

Lead #232F5E Secondary #7F4535 Surface #EED7C2 Accent #365246 Anchor #582239

Yale 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 #232F5E Secondary #52586A Support #9D8F88 Ink #18140F

Yale 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 Yale Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #232F5E 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 31/100

Cool

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

Softness 30/100

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 42/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 71/100

High

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

Brand distinctiveness 33/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 42/100

Moderate

Workable accent with care around contrast.

Surface fit 38/100

Low

Usable as a tinted surface in measured doses.

Print safety 86/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #232F5E

For UI

For branding

For interior

For fashion

People also use #232F5E with

Teal Blue Russian Violet Army Green Gainsboro Gunmetal Gray

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 12.8:1. Use

Subtle surface Use #CCD1E5 for cards and hover fills. Tint 80

Avoid beside #2A225D — 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 #232F5E 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: #232F5E;
  --color-base-rgb: 35 47 94;
  --color-base-oklch: oklch(32.2% 0.085 270.3);
  --color-50: #F3F5FB;
  --color-100: #E1E5F5;
  --color-200: #C4CBE9;
  --color-300: #9AA6D5;
  --color-400: #7382BF;
  --color-500: #5262A3;
  --color-600: #44507E;
  --color-700: #353C5A;
  --color-800: #252A3C;
  --color-900: #181B25;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  yale-blue: {
    50: '#F3F5FB',
    100: '#E1E5F5',
    200: '#C4CBE9',
    300: '#9AA6D5',
    400: '#7382BF',
    500: '#5262A3',
    600: '#44507E',
    700: '#353C5A',
    800: '#252A3C',
    900: '#181B25',
  },
}

$base: #232F5E;
$base-ink: #FFFFFF;
$base-50: #F3F5FB;
$base-100: #E1E5F5;
$base-200: #C4CBE9;
$base-300: #9AA6D5;
$base-400: #7382BF;
$base-500: #5262A3;
$base-600: #44507E;
$base-700: #353C5A;
$base-800: #252A3C;
$base-900: #181B25;
$base-hover: #1C254A;
$base-subtle: #B2BADA;

{
    "color": {
        "base": {
            "value": "#232F5E",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F5FB",
                "type": "color"
            },
            "100": {
                "value": "#E1E5F5",
                "type": "color"
            },
            "200": {
                "value": "#C4CBE9",
                "type": "color"
            },
            "300": {
                "value": "#9AA6D5",
                "type": "color"
            },
            "400": {
                "value": "#7382BF",
                "type": "color"
            },
            "500": {
                "value": "#5262A3",
                "type": "color"
            },
            "600": {
                "value": "#44507E",
                "type": "color"
            },
            "700": {
                "value": "#353C5A",
                "type": "color"
            },
            "800": {
                "value": "#252A3C",
                "type": "color"
            },
            "900": {
                "value": "#181B25",
                "type": "color"
            }
        }
    }
}