What color is #577D7A?

#577D7A is a medium, muted teal. In RGB it is rgb(87, 125, 122), and in HSL hsl(175, 18%, 42%).

Is #577D7A accessible as text?

On white, #577D7A has a contrast ratio of 4.55:1 (passes WCAG AA for body text); on black it is 4.62:1 (passes). For text placed on #577D7A, use black for the best readability.

What is the closest Tailwind color to #577D7A?

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

What colors go well with #577D7A?

#577D7A pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #7E585B. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #577D7A below.

Is #577D7A good for buttons?

#577D7A works for buttons; black text has the higher contrast, so prefer it for labels.

Is #577D7A the same as CSS slategray?

No — #577D7A 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.

#577D7A Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #577D7A

Not just a swatch — here's how #577D7A works with other colors. Named schemes with #577D7A in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #577D7A Accent #A7C4BD Surface #E0DABE Secondary #9AA0A0 Anchor #1C3549

Viridian 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 #577D7A Secondary #AEB4B8 Surface #F1F2F0 Support #7994A4 Anchor #2E3236

Viridian keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Vintage Leather Lead · 5 colors

Lead #577D7A Secondary #725018 Surface #E4DCC0 Accent #3A5142 Anchor #552341

Viridian plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Modern Café Dominant · 5 colors

Dominant #577D7A Anchor #382B1E Surface #ECE4D0 Accent #819C71 Secondary #3A3833

Viridian anchors this café scheme as the warm mid-tone, lifted by latte cream and a muted sage accent and grounded by espresso brown and a warm charcoal.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #577D7A Secondary #95A2A0 Support #979286 Ink #16140F

Viridian 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 Viridian carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #577D7A 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 40/100

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 11/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 48/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 47/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 17/100

Very low

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

UI accent fit 67/100

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 90/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #577D7A

For UI

For branding

For interior

For fashion

People also use #577D7A with

Russian Green Dim Gray Mauve Taupe 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 4.5:1. Use

Subtle surface Use #DEE5E5 for cards and hover fills. Tint 80

Avoid beside #58757E — 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 #577D7A 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: #577D7A;
  --color-base-rgb: 87 125 122;
  --color-base-oklch: oklch(56.0% 0.043 189.8);
  --color-50: #F6F9F9;
  --color-100: #E7EEEE;
  --color-200: #CFDEDC;
  --color-300: #ACC3C1;
  --color-400: #8AA8A5;
  --color-500: #6B8A88;
  --color-600: #566C6A;
  --color-700: #404F4D;
  --color-800: #2C3534;
  --color-900: #1C2121;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  viridian: {
    50: '#F6F9F9',
    100: '#E7EEEE',
    200: '#CFDEDC',
    300: '#ACC3C1',
    400: '#8AA8A5',
    500: '#6B8A88',
    600: '#566C6A',
    700: '#404F4D',
    800: '#2C3534',
    900: '#1C2121',
  },
}

$base: #577D7A;
$base-ink: #141310;
$base-50: #F6F9F9;
$base-100: #E7EEEE;
$base-200: #CFDEDC;
$base-300: #ACC3C1;
$base-400: #8AA8A5;
$base-500: #6B8A88;
$base-600: #566C6A;
$base-700: #404F4D;
$base-800: #2C3534;
$base-900: #1C2121;
$base-hover: #466563;
$base-subtle: #CDD9D8;

{
    "color": {
        "base": {
            "value": "#577D7A",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F9F9",
                "type": "color"
            },
            "100": {
                "value": "#E7EEEE",
                "type": "color"
            },
            "200": {
                "value": "#CFDEDC",
                "type": "color"
            },
            "300": {
                "value": "#ACC3C1",
                "type": "color"
            },
            "400": {
                "value": "#8AA8A5",
                "type": "color"
            },
            "500": {
                "value": "#6B8A88",
                "type": "color"
            },
            "600": {
                "value": "#566C6A",
                "type": "color"
            },
            "700": {
                "value": "#404F4D",
                "type": "color"
            },
            "800": {
                "value": "#2C3534",
                "type": "color"
            },
            "900": {
                "value": "#1C2121",
                "type": "color"
            }
        }
    }
}

Palettes built on #577D7A

Color Lab

Pairs with #577D7A

UI roles & guardrails

In real applications

Scales

Every model

Export