What color is #0C0C57?

#0C0C57 is a dark, vivid blue. In RGB it is rgb(12, 12, 87), and in HSL hsl(240, 76%, 19%).

Is #0C0C57 accessible as text?

On white, #0C0C57 has a contrast ratio of 17.42:1 (passes WCAG AA for body text); on black it is 1.21:1 (fails). For text placed on #0C0C57, use white for the best readability.

What is the closest Tailwind color to #0C0C57?

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

What colors go well with #0C0C57?

#0C0C57 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #55550C. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #0C0C57 below.

Is #0C0C57 good for buttons?

#0C0C57 works well for buttons and highlights, but use white text on #0C0C57 — black text only reaches 1.21:1, below the 4.5:1 needed for normal-size labels.

Is #0C0C57 the same as CSS midnightblue?

No — #0C0C57 is not the CSS named color midnightblue, but midnightblue (#191970) is the closest CSS named color.

#0C0C57 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0C0C57

Not just a swatch — here's how #0C0C57 works with other colors. Named schemes with #0C0C57 in its natural role, and a note on why the supporting colors balance it.

Luxury Packaging Feature · 5 colors

Feature #0C0C57 Anchor #141210 Accent #DC9659 Secondary #252933 Surface #F3ECE3

Navy 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.

Moody Editorial Color · 5 colors

Color #0C0C57 Anchor #2A2A2E Secondary #6E6E74 Surface #EEE5DB Accent #070022

Navy adds the colour to this moody editorial scheme — charcoal and a mid-grey around it, a bone highlight, and a muted jewel accent drawn from Navy.

Coastal Morning Lead · 5 colors

Lead #0C0C57 Accent #A5C4C2 Surface #EAD5C0 Secondary #9AA0A1 Anchor #21344A

Navy opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Vintage Leather Lead · 5 colors

Lead #0C0C57 Secondary #7F4535 Surface #EED7C2 Accent #365246 Anchor #582239

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 #F8F4EF Accent #0C0C57 Secondary #373F58 Support #9D8F88 Ink #18140F

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 #0C0C57 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 21/100

Cool

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

Softness 20/100

Very low

Firm and assertive — carries weight and contrast.

Depth 78/100

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 27/100

Low

A faint retro warmth without tipping into sepia.

Luxury 79/100

High

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

Brand distinctiveness 49/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 21/100

Low

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

Surface fit 31/100

Low

Usable as a tinted surface in measured doses.

Print safety 78/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #0C0C57

For UI

For branding

For interior

For fashion

People also use #0C0C57 with

Classic Blue Russian Violet Army Green 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 17.4:1. Use

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

Avoid beside #240C55 — 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 #0C0C57 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: #0C0C57;
  --color-base-rgb: 12 12 87;
  --color-base-oklch: oklch(23.0% 0.127 270.5);
  --color-50: #F1F1FE;
  --color-100: #DADAFB;
  --color-200: #B7B7F5;
  --color-300: #8787E9;
  --color-400: #5A5AD8;
  --color-500: #3737BD;
  --color-600: #323290;
  --color-700: #292966;
  --color-800: #1E1E43;
  --color-900: #141429;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  navy: {
    50: '#F1F1FE',
    100: '#DADAFB',
    200: '#B7B7F5',
    300: '#8787E9',
    400: '#5A5AD8',
    500: '#3737BD',
    600: '#323290',
    700: '#292966',
    800: '#1E1E43',
    900: '#141429',
  },
}

$base: #0C0C57;
$base-ink: #FFFFFF;
$base-50: #F1F1FE;
$base-100: #DADAFB;
$base-200: #B7B7F5;
$base-300: #8787E9;
$base-400: #5A5AD8;
$base-500: #3737BD;
$base-600: #323290;
$base-700: #292966;
$base-800: #1E1E43;
$base-900: #141429;
$base-hover: #090944;
$base-subtle: #9D9DE5;

{
    "color": {
        "base": {
            "value": "#0C0C57",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1F1FE",
                "type": "color"
            },
            "100": {
                "value": "#DADAFB",
                "type": "color"
            },
            "200": {
                "value": "#B7B7F5",
                "type": "color"
            },
            "300": {
                "value": "#8787E9",
                "type": "color"
            },
            "400": {
                "value": "#5A5AD8",
                "type": "color"
            },
            "500": {
                "value": "#3737BD",
                "type": "color"
            },
            "600": {
                "value": "#323290",
                "type": "color"
            },
            "700": {
                "value": "#292966",
                "type": "color"
            },
            "800": {
                "value": "#1E1E43",
                "type": "color"
            },
            "900": {
                "value": "#141429",
                "type": "color"
            }
        }
    }
}

Palettes built on #0C0C57

Color Lab

Pairs with #0C0C57

UI roles & guardrails

In real applications

Scales

Every model

Export