What color is #0A596C?

#0A596C is a dark, vivid cyan. In RGB it is rgb(10, 89, 108), and in HSL hsl(192, 83%, 23%).

Is #0A596C accessible as text?

On white, #0A596C has a contrast ratio of 7.90:1 (passes WCAG AA for body text); on black it is 2.66:1 (fails). For text placed on #0A596C, use white for the best readability.

What is the closest Tailwind color to #0A596C?

The nearest Tailwind CSS token is cyan-800 (#005F78).

What colors go well with #0A596C?

#0A596C pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #6B1D0A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #0A596C below.

Is #0A596C good for buttons?

#0A596C works well for buttons and highlights, but use white text on #0A596C — black text only reaches 2.66:1, below the 4.5:1 needed for normal-size labels.

Is #0A596C the same as CSS darkslategray?

No — #0A596C is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#0A596C Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #0A596C

Not just a swatch — here's how #0A596C works with other colors. Named schemes with #0A596C in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #0A596C Accent #A6C4BF Surface #DFDABF Secondary #9AA0A0 Anchor #1E354A

Dark Slate Gray 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 #0A596C Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A5 Anchor #2E3236

Dark Slate Gray 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 #0A596C Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #407B8D

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

Vintage Leather Lead · 5 colors

Lead #0A596C Secondary #705116 Surface #E3DCC0 Accent #395244 Anchor #56233E

Dark Slate Gray 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 #0A596C Secondary #677B82 Support #969386 Ink #16140F

Dark Slate Gray 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 Dark Slate Gray carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #0A596C 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 28/100

Cool

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

Softness 40/100

Low

Middle-weight — neither delicate nor heavy.

Depth 56/100

Moderate

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

Naturalness 2/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 46/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 61/100

High

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

Brand distinctiveness 20/100

Low

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

UI accent fit 71/100

High

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

Surface fit 34/100

Low

Usable as a tinted surface in measured doses.

Print safety 80/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #0A596C

For UI

For branding

For interior

For fashion

People also use #0A596C with

Sea Green Midnight Blue Rosewood Platinum Dark Slate Gray

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 #C0E6EF for cards and hover fills. Tint 80

Avoid beside #0A376B — 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 #0A596C 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: #0A596C;
  --color-base-rgb: 10 89 108;
  --color-base-oklch: oklch(43.0% 0.075 219.8);
  --color-50: #F0FCFE;
  --color-100: #D9F5FD;
  --color-200: #B4EAF8;
  --color-300: #82D8ED;
  --color-400: #54C2DE;
  --color-500: #31A6C3;
  --color-600: #2D8095;
  --color-700: #265C69;
  --color-800: #1C3C44;
  --color-900: #13252A;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-gray: {
    50: '#F0FCFE',
    100: '#D9F5FD',
    200: '#B4EAF8',
    300: '#82D8ED',
    400: '#54C2DE',
    500: '#31A6C3',
    600: '#2D8095',
    700: '#265C69',
    800: '#1C3C44',
    900: '#13252A',
  },
}

$base: #0A596C;
$base-ink: #FFFFFF;
$base-50: #F0FCFE;
$base-100: #D9F5FD;
$base-200: #B4EAF8;
$base-300: #82D8ED;
$base-400: #54C2DE;
$base-500: #31A6C3;
$base-600: #2D8095;
$base-700: #265C69;
$base-800: #1C3C44;
$base-900: #13252A;
$base-hover: #084656;
$base-subtle: #9FDAE9;

{
    "color": {
        "base": {
            "value": "#0A596C",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FCFE",
                "type": "color"
            },
            "100": {
                "value": "#D9F5FD",
                "type": "color"
            },
            "200": {
                "value": "#B4EAF8",
                "type": "color"
            },
            "300": {
                "value": "#82D8ED",
                "type": "color"
            },
            "400": {
                "value": "#54C2DE",
                "type": "color"
            },
            "500": {
                "value": "#31A6C3",
                "type": "color"
            },
            "600": {
                "value": "#2D8095",
                "type": "color"
            },
            "700": {
                "value": "#265C69",
                "type": "color"
            },
            "800": {
                "value": "#1C3C44",
                "type": "color"
            },
            "900": {
                "value": "#13252A",
                "type": "color"
            }
        }
    }
}

Palettes built on #0A596C

Color Lab

Pairs with #0A596C

UI roles & guardrails

In real applications

Scales

Every model

Export