What color is #0E577C?

#0E577C is a dark, vivid cyan-blue. In RGB it is rgb(14, 87, 124), and in HSL hsl(200, 80%, 27%).

Is #0E577C accessible as text?

On white, #0E577C has a contrast ratio of 7.86:1 (passes WCAG AA for body text); on black it is 2.67:1 (fails). For text placed on #0E577C, use white for the best readability.

What is the closest Tailwind color to #0E577C?

The nearest Tailwind CSS token is sky-800 (#00598A).

What colors go well with #0E577C?

#0E577C pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #7C320E. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #0E577C below.

Is #0E577C good for buttons?

#0E577C works well for buttons and highlights, but use white text on #0E577C — black text only reaches 2.67:1, below the 4.5:1 needed for normal-size labels.

Is #0E577C the same as CSS darkslategray?

No — #0E577C is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#0E577C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0E577C

Not just a swatch — here's how #0E577C works with other colors. Named schemes with #0E577C in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #0E577C Accent #A6C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Classic 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 #0E577C Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 Anchor #2E3236

Classic 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 #0E577C Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #41799C

Classic 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 Classic Blue.

Vintage Leather Lead · 5 colors

Lead #0E577C Secondary #7F4439 Surface #E2DDC0 Accent #385245 Anchor #57233C

Classic 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 #F6F4EF Accent #0E577C Secondary #687C89 Support #969386 Ink #16140F

Classic 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 Classic Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #0E577C 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 24/100

Cool

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

Softness 39/100

Low

Middle-weight — neither delicate nor heavy.

Depth 56/100

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 49/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 62/100

High

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

Brand distinctiveness 24/100

Low

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

UI accent fit 77/100

High

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

Surface fit 29/100

Low

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

Print safety 78/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #0E577C

For UI

For branding

For interior

For fashion

People also use #0E577C with

Persian Green Midnight Blue Walnut Brown 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 7.9:1. Use

Subtle surface Use #C4E1EF for cards and hover fills. Tint 80

Avoid beside #0E327C — 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 #0E577C at work across the surfaces designers actually ship.

Website / UI

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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: #0E577C;
  --color-base-rgb: 14 87 124;
  --color-base-oklch: oklch(43.4% 0.090 237.7);
  --color-50: #F1FAFE;
  --color-100: #D9F0FC;
  --color-200: #B6E1F7;
  --color-300: #84C9EB;
  --color-400: #57AFDB;
  --color-500: #3492C1;
  --color-600: #2F7193;
  --color-700: #275268;
  --color-800: #1D3744;
  --color-900: #142229;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  classic-blue: {
    50: '#F1FAFE',
    100: '#D9F0FC',
    200: '#B6E1F7',
    300: '#84C9EB',
    400: '#57AFDB',
    500: '#3492C1',
    600: '#2F7193',
    700: '#275268',
    800: '#1D3744',
    900: '#142229',
  },
}

$base: #0E577C;
$base-ink: #FFFFFF;
$base-50: #F1FAFE;
$base-100: #D9F0FC;
$base-200: #B6E1F7;
$base-300: #84C9EB;
$base-400: #57AFDB;
$base-500: #3492C1;
$base-600: #2F7193;
$base-700: #275268;
$base-800: #1D3744;
$base-900: #142229;
$base-hover: #0B4663;
$base-subtle: #A5D2E9;

{
    "color": {
        "base": {
            "value": "#0E577C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F1FAFE",
                "type": "color"
            },
            "100": {
                "value": "#D9F0FC",
                "type": "color"
            },
            "200": {
                "value": "#B6E1F7",
                "type": "color"
            },
            "300": {
                "value": "#84C9EB",
                "type": "color"
            },
            "400": {
                "value": "#57AFDB",
                "type": "color"
            },
            "500": {
                "value": "#3492C1",
                "type": "color"
            },
            "600": {
                "value": "#2F7193",
                "type": "color"
            },
            "700": {
                "value": "#275268",
                "type": "color"
            },
            "800": {
                "value": "#1D3744",
                "type": "color"
            },
            "900": {
                "value": "#142229",
                "type": "color"
            }
        }
    }
}

Palettes built on #0E577C

Color Lab

Pairs with #0E577C

UI roles & guardrails

In real applications

Scales

Every model

Export