What color is #031B41?

#031B41 is a very dark, vivid blue. In RGB it is rgb(3, 27, 65), and in HSL hsl(217, 91%, 13%).

Is #031B41 accessible as text?

On white, #031B41 has a contrast ratio of 16.98:1 (passes WCAG AA for body text); on black it is 1.24:1 (fails). For text placed on #031B41, use white for the best readability.

What is the closest Tailwind color to #031B41?

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

What colors go well with #031B41?

#031B41 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #3F2803. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #031B41 below.

Is #031B41 good for buttons?

#031B41 works well for buttons and highlights, but use white text on #031B41 — black text only reaches 1.24:1, below the 4.5:1 needed for normal-size labels.

Is #031B41 the same as CSS midnightblue?

No — #031B41 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#031B41 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #031B41

Not just a swatch — here's how #031B41 works with other colors. Named schemes with #031B41 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #031B41 Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

Navy 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 #031B41 Secondary #AEB4B8 Surface #F1F2F0 Support #7D93A6 Anchor #2E3236

Navy 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 #031B41 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #233B5F

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

Vintage Leather Lead · 5 colors

Lead #031B41 Secondary #7F4536 Surface #E1DDC1 Accent #375246 Anchor #57223A

Navy 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 #F6F4EF Accent #031B41 Secondary #37404F Support #9D8F89 Ink #16140F

Navy 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 Navy carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #031B41 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 29/100

Cool

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

Softness 22/100

Low

Firm and assertive — carries weight and contrast.

Depth 75/100

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 78/100

High

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

Brand distinctiveness 30/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 18/100

Very low

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

Surface fit 46/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 84/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #031B41

For UI

For branding

For interior

For fashion

People also use #031B41 with

Dark Slate Gray Navy Bistre 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 17.0:1. Use

Subtle surface Use #B6CCF0 for cards and hover fills. Tint 80

Avoid beside #03063F — 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 #031B41 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: #031B41;
  --color-base-rgb: 3 27 65;
  --color-base-oklch: oklch(23.1% 0.079 258.7);
  --color-50: #F0F6FE;
  --color-100: #D8E6FD;
  --color-200: #B1CEFB;
  --color-300: #7DAAF2;
  --color-400: #4E87E4;
  --color-500: #2A68CB;
  --color-600: #28549A;
  --color-700: #233F6C;
  --color-800: #1B2B46;
  --color-900: #121C2B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  navy: {
    50: '#F0F6FE',
    100: '#D8E6FD',
    200: '#B1CEFB',
    300: '#7DAAF2',
    400: '#4E87E4',
    500: '#2A68CB',
    600: '#28549A',
    700: '#233F6C',
    800: '#1B2B46',
    900: '#121C2B',
  },
}

$base: #031B41;
$base-ink: #FFFFFF;
$base-50: #F0F6FE;
$base-100: #D8E6FD;
$base-200: #B1CEFB;
$base-300: #7DAAF2;
$base-400: #4E87E4;
$base-500: #2A68CB;
$base-600: #28549A;
$base-700: #233F6C;
$base-800: #1B2B46;
$base-900: #121C2B;
$base-hover: #021533;
$base-subtle: #8EB2EA;

{
    "color": {
        "base": {
            "value": "#031B41",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F6FE",
                "type": "color"
            },
            "100": {
                "value": "#D8E6FD",
                "type": "color"
            },
            "200": {
                "value": "#B1CEFB",
                "type": "color"
            },
            "300": {
                "value": "#7DAAF2",
                "type": "color"
            },
            "400": {
                "value": "#4E87E4",
                "type": "color"
            },
            "500": {
                "value": "#2A68CB",
                "type": "color"
            },
            "600": {
                "value": "#28549A",
                "type": "color"
            },
            "700": {
                "value": "#233F6C",
                "type": "color"
            },
            "800": {
                "value": "#1B2B46",
                "type": "color"
            },
            "900": {
                "value": "#121C2B",
                "type": "color"
            }
        }
    }
}