What color is #57748B?

#57748B is a medium, muted cyan-blue. In RGB it is rgb(87, 116, 139), and in HSL hsl(207, 23%, 44%).

Is #57748B accessible as text?

On white, #57748B has a contrast ratio of 4.91:1 (passes WCAG AA for body text); on black it is 4.28:1 (fails). For text placed on #57748B, use white for the best readability.

What is the closest Tailwind color to #57748B?

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

What colors go well with #57748B?

#57748B pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #8A6E56. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #57748B below.

Is #57748B good for buttons?

#57748B works well for buttons and highlights, but use white text on #57748B — black text only reaches 4.28:1, below the 4.5:1 needed for normal-size labels.

Is #57748B the same as CSS slategray?

No — #57748B 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.

#57748B Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #57748B

Not just a swatch — here's how #57748B works with other colors. Named schemes with #57748B in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #57748B Accent #A5C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

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 #57748B Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 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 #57748B Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #7D98AD

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 #57748B Secondary #7F4438 Surface #E2DDC0 Accent #375245 Anchor #57233C

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 #57748B Secondary #919BA4 Support #969386 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.

Build a working theme in the generator →

Color Lab

How #57748B 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 36/100

Cool

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

Softness 52/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 44/100

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 47/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 49/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 19/100

Very 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 42/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 88/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #57748B

For UI

For branding

For interior

For fashion

People also use #57748B with

Cadet Blue Ultra Violet Shadow Gainsboro Charcoal

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 4.9:1. Use

Subtle surface Use #DEE3E7 for cards and hover fills. Tint 80

Avoid beside #56628A — 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 #57748B 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: #57748B;
  --color-base-rgb: 87 116 139;
  --color-base-oklch: oklch(54.5% 0.049 242.7);
  --color-50: #F5F8F9;
  --color-100: #E6EBF0;
  --color-200: #CDD7E0;
  --color-300: #A9B9C6;
  --color-400: #869BAC;
  --color-500: #667C8F;
  --color-600: #53626F;
  --color-700: #3E4851;
  --color-800: #2B3136;
  --color-900: #1B1F22;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  teal-blue: {
    50: '#F5F8F9',
    100: '#E6EBF0',
    200: '#CDD7E0',
    300: '#A9B9C6',
    400: '#869BAC',
    500: '#667C8F',
    600: '#53626F',
    700: '#3E4851',
    800: '#2B3136',
    900: '#1B1F22',
  },
}

$base: #57748B;
$base-ink: #FFFFFF;
$base-50: #F5F8F9;
$base-100: #E6EBF0;
$base-200: #CDD7E0;
$base-300: #A9B9C6;
$base-400: #869BAC;
$base-500: #667C8F;
$base-600: #53626F;
$base-700: #3E4851;
$base-800: #2B3136;
$base-900: #1B1F22;
$base-hover: #455C6E;
$base-subtle: #CDD5DC;

{
    "color": {
        "base": {
            "value": "#57748B",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F5F8F9",
                "type": "color"
            },
            "100": {
                "value": "#E6EBF0",
                "type": "color"
            },
            "200": {
                "value": "#CDD7E0",
                "type": "color"
            },
            "300": {
                "value": "#A9B9C6",
                "type": "color"
            },
            "400": {
                "value": "#869BAC",
                "type": "color"
            },
            "500": {
                "value": "#667C8F",
                "type": "color"
            },
            "600": {
                "value": "#53626F",
                "type": "color"
            },
            "700": {
                "value": "#3E4851",
                "type": "color"
            },
            "800": {
                "value": "#2B3136",
                "type": "color"
            },
            "900": {
                "value": "#1B1F22",
                "type": "color"
            }
        }
    }
}

Palettes built on #57748B

Color Lab

Pairs with #57748B

UI roles & guardrails

In real applications

Scales

Every model

Export