What color is #577B82?

#577B82 is a medium, muted cyan. In RGB it is rgb(87, 123, 130), and in HSL hsl(190, 20%, 43%).

Is #577B82 accessible as text?

On white, #577B82 has a contrast ratio of 4.60:1 (passes WCAG AA for body text); on black it is 4.56:1 (passes). For text placed on #577B82, use white for the best readability.

What is the closest Tailwind color to #577B82?

The nearest Tailwind CSS token is mist-500 (#67787C).

What colors go well with #577B82?

#577B82 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #845F58. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #577B82 below.

Is #577B82 good for buttons?

#577B82 works for buttons; white text has the higher contrast, so prefer it for labels.

Is #577B82 the same as CSS slategray?

No — #577B82 is not the CSS named color slategray, but slategray (#708090) is the closest CSS named color by perceptual color distance — it sits in a different color family, so treat it as a rough reference, not a match.

#577B82 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #577B82

Not just a swatch — here's how #577B82 works with other colors. Named schemes with #577B82 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #577B82 Accent #A6C4BE Surface #DFDABE Secondary #9AA0A0 Anchor #1E3549

Teal 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 #577B82 Secondary #AEB4B8 Surface #F1F2F0 Support #7A94A5 Anchor #2E3236

Teal 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 #577B82 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #7D9FA5

Teal 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 Teal Blue.

Vintage Leather Lead · 5 colors

Lead #577B82 Secondary #705117 Surface #E3DCC0 Accent #395143 Anchor #56233F

Teal 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 #577B82 Secondary #94A1A3 Support #979286 Ink #16140F

Teal 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 Teal Blue carrying the quiet middle.

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Color Lab

How #577B82 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 38/100

Neutral

Balanced temperature — flexible, sits between warm and cool schemes.

Softness 54/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 42/100

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 45/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 48/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 16/100

Very low

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

UI accent fit 66/100

High

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

Surface fit 45/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 89/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #577B82

For UI

For branding

For interior

For fashion

People also use #577B82 with

Cadet Blue Dim Gray Raw Umber Platinum Dark Slate Gray

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 4.6:1. Use

Subtle surface Use #DEE5E6 for cards and hover fills. Tint 80

Avoid beside #586E84 — 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 #577B82 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: #577B82;
  --color-base-rgb: 87 123 130;
  --color-base-oklch: oklch(55.8% 0.042 211.0);
  --color-50: #F6F8F9;
  --color-100: #E6EDEF;
  --color-200: #CEDCDE;
  --color-300: #ABC0C5;
  --color-400: #88A4AA;
  --color-500: #69868C;
  --color-600: #54696D;
  --color-700: #3F4D4F;
  --color-800: #2C3435;
  --color-900: #1C2021;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  teal-blue: {
    50: '#F6F8F9',
    100: '#E6EDEF',
    200: '#CEDCDE',
    300: '#ABC0C5',
    400: '#88A4AA',
    500: '#69868C',
    600: '#54696D',
    700: '#3F4D4F',
    800: '#2C3435',
    900: '#1C2021',
  },
}

$base: #577B82;
$base-ink: #FFFFFF;
$base-50: #F6F8F9;
$base-100: #E6EDEF;
$base-200: #CEDCDE;
$base-300: #ABC0C5;
$base-400: #88A4AA;
$base-500: #69868C;
$base-600: #54696D;
$base-700: #3F4D4F;
$base-800: #2C3435;
$base-900: #1C2021;
$base-hover: #466369;
$base-subtle: #CDD8DA;

{
    "color": {
        "base": {
            "value": "#577B82",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F8F9",
                "type": "color"
            },
            "100": {
                "value": "#E6EDEF",
                "type": "color"
            },
            "200": {
                "value": "#CEDCDE",
                "type": "color"
            },
            "300": {
                "value": "#ABC0C5",
                "type": "color"
            },
            "400": {
                "value": "#88A4AA",
                "type": "color"
            },
            "500": {
                "value": "#69868C",
                "type": "color"
            },
            "600": {
                "value": "#54696D",
                "type": "color"
            },
            "700": {
                "value": "#3F4D4F",
                "type": "color"
            },
            "800": {
                "value": "#2C3435",
                "type": "color"
            },
            "900": {
                "value": "#1C2021",
                "type": "color"
            }
        }
    }
}

Palettes built on #577B82

Color Lab

Pairs with #577B82

UI roles & guardrails

In real applications

Scales

Every model

Export