What color is #0C445A?

#0C445A is a dark, vivid cyan-blue. In RGB it is rgb(12, 68, 90), and in HSL hsl(197, 76%, 20%).

Is #0C445A accessible as text?

On white, #0C445A has a contrast ratio of 10.55:1 (passes WCAG AA for body text); on black it is 1.99:1 (fails). For text placed on #0C445A, use white for the best readability.

What is the closest Tailwind color to #0C445A?

The nearest Tailwind CSS token is cyan-900 (#104E64).

What colors go well with #0C445A?

#0C445A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #5A220C. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #0C445A below.

Is #0C445A good for buttons?

#0C445A works well for buttons and highlights, but use white text on #0C445A — black text only reaches 1.99:1, below the 4.5:1 needed for normal-size labels.

Is #0C445A the same as CSS darkslategray?

No — #0C445A is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#0C445A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0C445A

Not just a swatch — here's how #0C445A works with other colors. Named schemes with #0C445A in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #0C445A Accent #A6C4BF Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Charcoal 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 #0C445A Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A6 Anchor #2E3236

Charcoal 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 #0C445A Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #38657A

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

Vintage Leather Lead · 5 colors

Lead #0C445A Secondary #6F5216 Surface #E2DCC0 Accent #385244 Anchor #56233D

Charcoal 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 #0C445A Secondary #57676F Support #969386 Ink #16140F

Charcoal 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 Charcoal carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #0C445A 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 30/100

Cool

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

Softness 35/100

Low

Middle-weight — neither delicate nor heavy.

Depth 62/100

High

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

Naturalness 1/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 38/100

Low

A faint retro warmth without tipping into sepia.

Luxury 66/100

High

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

Brand distinctiveness 26/100

Low

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

UI accent fit 49/100

Moderate

Workable accent with care around contrast.

Surface fit 41/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 83/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #0C445A

For UI

For branding

For interior

For fashion

People also use #0C445A with

Pine Green Navy Espresso Platinum 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 10.6:1. Use

Subtle surface Use #C0E0ED for cards and hover fills. Tint 80

Avoid beside #0C2A5A — 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 #0C445A at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #0C445A;
  --color-base-rgb: 12 68 90;
  --color-base-oklch: oklch(36.3% 0.066 230.0);
  --color-50: #F1FAFE;
  --color-100: #DAF2FB;
  --color-200: #B7E4F5;
  --color-300: #87CDE9;
  --color-400: #5AB4D8;
  --color-500: #3797BD;
  --color-600: #327590;
  --color-700: #295566;
  --color-800: #1E3843;
  --color-900: #142329;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  charcoal: {
    50: '#F1FAFE',
    100: '#DAF2FB',
    200: '#B7E4F5',
    300: '#87CDE9',
    400: '#5AB4D8',
    500: '#3797BD',
    600: '#327590',
    700: '#295566',
    800: '#1E3843',
    900: '#142329',
  },
}

$base: #0C445A;
$base-ink: #FFFFFF;
$base-50: #F1FAFE;
$base-100: #DAF2FB;
$base-200: #B7E4F5;
$base-300: #87CDE9;
$base-400: #5AB4D8;
$base-500: #3797BD;
$base-600: #327590;
$base-700: #295566;
$base-800: #1E3843;
$base-900: #142329;
$base-hover: #0A3648;
$base-subtle: #9ED1E5;

{
    "color": {
        "base": {
            "value": "#0C445A",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FAFE",
                "type": "color"
            },
            "100": {
                "value": "#DAF2FB",
                "type": "color"
            },
            "200": {
                "value": "#B7E4F5",
                "type": "color"
            },
            "300": {
                "value": "#87CDE9",
                "type": "color"
            },
            "400": {
                "value": "#5AB4D8",
                "type": "color"
            },
            "500": {
                "value": "#3797BD",
                "type": "color"
            },
            "600": {
                "value": "#327590",
                "type": "color"
            },
            "700": {
                "value": "#295566",
                "type": "color"
            },
            "800": {
                "value": "#1E3843",
                "type": "color"
            },
            "900": {
                "value": "#142329",
                "type": "color"
            }
        }
    }
}