What color is #0C5EBB?

#0C5EBB is a dark, vivid blue. In RGB it is rgb(12, 94, 187), and in HSL hsl(212, 88%, 39%).

Is #0C5EBB accessible as text?

On white, #0C5EBB has a contrast ratio of 6.30:1 (passes WCAG AA for body text); on black it is 3.33:1 (fails). For text placed on #0C5EBB, use white for the best readability.

What is the closest Tailwind color to #0C5EBB?

The nearest Tailwind CSS token is sky-700 (#0069A8).

What colors go well with #0C5EBB?

#0C5EBB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #BB690C. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #0C5EBB below.

Is #0C5EBB good for buttons?

#0C5EBB works well for buttons and highlights, but use white text on #0C5EBB — black text only reaches 3.33:1, below the 4.5:1 needed for normal-size labels.

Is #0C5EBB the same as CSS royalblue?

No — #0C5EBB is not the CSS named color royalblue, but royalblue (#4169E1) is the closest CSS named color.

#0C5EBB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0C5EBB

Not just a swatch — here's how #0C5EBB works with other colors. Named schemes with #0C5EBB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #0C5EBB Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

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

Tech Product Signal · 5 colors

Signal #0C5EBB Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #4384DA

Denim 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 Denim Blue.

Vintage Leather Lead · 5 colors

Lead #0C5EBB Secondary #7F4537 Surface #E1DDC1 Accent #375246 Anchor #57233B

Denim 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.

Berry & Cream Lead · 5 colors

Lead #0C5EBB Surface #EDE9D6 Anchor #5A2145 Accent #E4C2CA Secondary #322B2F

Denim Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #0C5EBB Secondary #748CAD Support #9D8F89 Ink #16140F

Denim 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 Denim Blue carrying the quiet middle.

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Color Lab

How #0C5EBB 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 6/100

Cool

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

Softness 35/100

Low

Middle-weight — neither delicate nor heavy.

Depth 53/100

Moderate

Mid depth — usable as an accent or a muted ground.

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 34/100

Low

A faint retro warmth without tipping into sepia.

Luxury 54/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 44/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 96/100

Very high

Strong interactive accent — visible and can carry a legible label.

Surface fit 8/100

Very low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 67/100

High

Prints close, with a slight loss of vibrancy.

Pairs with #0C5EBB

For UI

For branding

For interior

For fashion

People also use #0C5EBB with

Turquoise Medium Blue Ginger Gainsboro Charcoal

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

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 6.3:1. Use

Subtle surface Use #CCDFF4 for cards and hover fills. Tint 80

Avoid beside #0C23BB — 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 #0C5EBB 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: #0C5EBB;
  --color-base-rgb: 12 94 187;
  --color-base-oklch: oklch(49.3% 0.163 256.4);
  --color-50: #F0F7FE;
  --color-100: #D8E9FD;
  --color-200: #B2D4FA;
  --color-300: #7FB4F0;
  --color-400: #5094E2;
  --color-500: #2D75C8;
  --color-600: #2A5D98;
  --color-700: #24456B;
  --color-800: #1B2F46;
  --color-900: #131E2B;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  denim-blue: {
    50: '#F0F7FE',
    100: '#D8E9FD',
    200: '#B2D4FA',
    300: '#7FB4F0',
    400: '#5094E2',
    500: '#2D75C8',
    600: '#2A5D98',
    700: '#24456B',
    800: '#1B2F46',
    900: '#131E2B',
  },
}

$base: #0C5EBB;
$base-ink: #FFFFFF;
$base-50: #F0F7FE;
$base-100: #D8E9FD;
$base-200: #B2D4FA;
$base-300: #7FB4F0;
$base-400: #5094E2;
$base-500: #2D75C8;
$base-600: #2A5D98;
$base-700: #24456B;
$base-800: #1B2F46;
$base-900: #131E2B;
$base-hover: #0A4B96;
$base-subtle: #B1CEF0;

{
    "color": {
        "base": {
            "value": "#0C5EBB",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0F7FE",
                "type": "color"
            },
            "100": {
                "value": "#D8E9FD",
                "type": "color"
            },
            "200": {
                "value": "#B2D4FA",
                "type": "color"
            },
            "300": {
                "value": "#7FB4F0",
                "type": "color"
            },
            "400": {
                "value": "#5094E2",
                "type": "color"
            },
            "500": {
                "value": "#2D75C8",
                "type": "color"
            },
            "600": {
                "value": "#2A5D98",
                "type": "color"
            },
            "700": {
                "value": "#24456B",
                "type": "color"
            },
            "800": {
                "value": "#1B2F46",
                "type": "color"
            },
            "900": {
                "value": "#131E2B",
                "type": "color"
            }
        }
    }
}

Palettes built on #0C5EBB

Color Lab

Pairs with #0C5EBB

UI roles & guardrails

In real applications

Scales

Every model

Export