What color is #20586F?

#20586F is a dark cyan-blue. In RGB it is rgb(32, 88, 111), and in HSL hsl(197, 55%, 28%).

Is #20586F accessible as text?

On white, #20586F has a contrast ratio of 7.82:1 (passes WCAG AA for body text); on black it is 2.69:1 (fails). For text placed on #20586F, use white for the best readability.

What is the closest Tailwind color to #20586F?

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

What colors go well with #20586F?

#20586F pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #6F3620. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #20586F below.

Is #20586F good for buttons?

#20586F works well for buttons and highlights, but use white text on #20586F — black text only reaches 2.69:1, below the 4.5:1 needed for normal-size labels.

Is #20586F the same as CSS darkslategray?

No — #20586F is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#20586F Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #20586F

Not just a swatch — here's how #20586F works with other colors. Named schemes with #20586F in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #20586F Accent #A6C4BF Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

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 #20586F Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A6 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 #20586F Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #4A7A90

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 #20586F Secondary #6F5216 Surface #E2DCC0 Accent #385244 Anchor #56233D

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 #20586F Secondary #6A7C84 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 #20586F 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 41/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 55/100

Moderate

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

Naturalness 1/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 44/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 60/100

High

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

Brand distinctiveness 19/100

Very low

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

UI accent fit 69/100

High

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

Surface fit 36/100

Low

Usable as a tinted surface in measured doses.

Print safety 82/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #20586F

For UI

For branding

For interior

For fashion

People also use #20586F with

Viridian Yale Blue Garnet 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 7.8:1. Use

Subtle surface Use #CCE1E9 for cards and hover fills. Tint 80

Avoid beside #203E6F — 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 #20586F 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: #20586F;
  --color-base-rgb: 32 88 111;
  --color-base-oklch: oklch(43.4% 0.069 228.7);
  --color-50: #F3F9FC;
  --color-100: #DFF0F6;
  --color-200: #C0E0ED;
  --color-300: #94C7DB;
  --color-400: #6BADC7;
  --color-500: #4A8FAB;
  --color-600: #3F7083;
  --color-700: #31515E;
  --color-800: #23363E;
  --color-900: #172226;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  dark-slate-gray: {
    50: '#F3F9FC',
    100: '#DFF0F6',
    200: '#C0E0ED',
    300: '#94C7DB',
    400: '#6BADC7',
    500: '#4A8FAB',
    600: '#3F7083',
    700: '#31515E',
    800: '#23363E',
    900: '#172226',
  },
}

$base: #20586F;
$base-ink: #FFFFFF;
$base-50: #F3F9FC;
$base-100: #DFF0F6;
$base-200: #C0E0ED;
$base-300: #94C7DB;
$base-400: #6BADC7;
$base-500: #4A8FAB;
$base-600: #3F7083;
$base-700: #31515E;
$base-800: #23363E;
$base-900: #172226;
$base-hover: #1A4759;
$base-subtle: #B1D2DF;

{
    "color": {
        "base": {
            "value": "#20586F",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F9FC",
                "type": "color"
            },
            "100": {
                "value": "#DFF0F6",
                "type": "color"
            },
            "200": {
                "value": "#C0E0ED",
                "type": "color"
            },
            "300": {
                "value": "#94C7DB",
                "type": "color"
            },
            "400": {
                "value": "#6BADC7",
                "type": "color"
            },
            "500": {
                "value": "#4A8FAB",
                "type": "color"
            },
            "600": {
                "value": "#3F7083",
                "type": "color"
            },
            "700": {
                "value": "#31515E",
                "type": "color"
            },
            "800": {
                "value": "#23363E",
                "type": "color"
            },
            "900": {
                "value": "#172226",
                "type": "color"
            }
        }
    }
}

Palettes built on #20586F

Color Lab

Pairs with #20586F

UI roles & guardrails

In real applications

Scales

Every model

Export