What color is #577784?

#577784 is a medium, muted cyan-blue. In RGB it is rgb(87, 119, 132), and in HSL hsl(197, 21%, 43%).

Is #577784 accessible as text?

On white, #577784 has a contrast ratio of 4.80:1 (passes WCAG AA for body text); on black it is 4.38:1 (fails). For text placed on #577784, use white for the best readability.

What is the closest Tailwind color to #577784?

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

What colors go well with #577784?

#577784 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #856457. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #577784 below.

Is #577784 good for buttons?

#577784 works well for buttons and highlights, but use white text on #577784 — black text only reaches 4.38:1, below the 4.5:1 needed for normal-size labels.

Is #577784 the same as CSS slategray?

No — #577784 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.

#577784 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #577784

Not just a swatch — here's how #577784 works with other colors. Named schemes with #577784 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #577784 Accent #A6C4BF Surface #DEDABF Secondary #9AA0A0 Anchor #1E344A

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 #577784 Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A5 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 #577784 Surface #14161A Highlight #F4F6F8 Secondary #596672 Accent #7D9AA7

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 #577784 Secondary #6F5116 Surface #E2DCC0 Accent #385244 Anchor #56233E

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 #577784 Secondary #929DA2 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 #577784 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

Cool

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

Softness 53/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 43/100

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 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 67/100

High

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

Surface fit 44/100

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 #577784

For UI

For branding

For interior

For fashion

People also use #577784 with

Cadet Blue Ultra Violet Raw Umber Platinum 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 4.8:1. Use

Subtle surface Use #DEE4E6 for cards and hover fills. Tint 80

Avoid beside #576885 — 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 #577784 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: #577784;
  --color-base-rgb: 87 119 132;
  --color-base-oklch: oklch(55.0% 0.042 224.9);
  --color-50: #F6F8F9;
  --color-100: #E6EDEF;
  --color-200: #CEDADF;
  --color-300: #AABDC5;
  --color-400: #88A1AA;
  --color-500: #68828D;
  --color-600: #54676E;
  --color-700: #3F4B50;
  --color-800: #2B3335;
  --color-900: #1C2021;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  teal-blue: {
    50: '#F6F8F9',
    100: '#E6EDEF',
    200: '#CEDADF',
    300: '#AABDC5',
    400: '#88A1AA',
    500: '#68828D',
    600: '#54676E',
    700: '#3F4B50',
    800: '#2B3335',
    900: '#1C2021',
  },
}

$base: #577784;
$base-ink: #FFFFFF;
$base-50: #F6F8F9;
$base-100: #E6EDEF;
$base-200: #CEDADF;
$base-300: #AABDC5;
$base-400: #88A1AA;
$base-500: #68828D;
$base-600: #54676E;
$base-700: #3F4B50;
$base-800: #2B3335;
$base-900: #1C2021;
$base-hover: #45606A;
$base-subtle: #CCD6DA;

{
    "color": {
        "base": {
            "value": "#577784",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F6F8F9",
                "type": "color"
            },
            "100": {
                "value": "#E6EDEF",
                "type": "color"
            },
            "200": {
                "value": "#CEDADF",
                "type": "color"
            },
            "300": {
                "value": "#AABDC5",
                "type": "color"
            },
            "400": {
                "value": "#88A1AA",
                "type": "color"
            },
            "500": {
                "value": "#68828D",
                "type": "color"
            },
            "600": {
                "value": "#54676E",
                "type": "color"
            },
            "700": {
                "value": "#3F4B50",
                "type": "color"
            },
            "800": {
                "value": "#2B3335",
                "type": "color"
            },
            "900": {
                "value": "#1C2021",
                "type": "color"
            }
        }
    }
}

Palettes built on #577784

Color Lab

Pairs with #577784

UI roles & guardrails

In real applications

Scales

Every model

Export