What color is #579BCB?

#579BCB is a medium cyan-blue. In RGB it is rgb(87, 155, 203), and in HSL hsl(205, 53%, 57%).

Is #579BCB accessible as text?

On white, #579BCB has a contrast ratio of 3.02:1 (fails WCAG AA for body text); on black it is 6.96:1 (passes). For text placed on #579BCB, use black for the best readability.

What is the closest Tailwind color to #579BCB?

The nearest Tailwind CSS token is cyan-600 (#0092B8).

What colors go well with #579BCB?

#579BCB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #CB8857. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #579BCB below.

Is #579BCB good for buttons?

#579BCB works well for buttons and highlights, but use black text on #579BCB — white text only reaches 3.02:1, below the 4.5:1 needed for normal-size labels.

Is #579BCB the same as CSS cornflowerblue?

No — #579BCB is not the CSS named color cornflowerblue, but cornflowerblue (#6495ED) is the closest CSS named color.

#579BCB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #579BCB

Not just a swatch — here's how #579BCB works with other colors. Named schemes with #579BCB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #579BCB Accent #A5C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Carolina 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 #579BCB Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 Anchor #2E3236

Carolina 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 #579BCB Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #84C0ED

Carolina 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 Carolina Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #579BCB Secondary #ACC3D4 Support #969386 Ink #16140F

Carolina 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 Carolina Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Dominant #579BCB Anchor #3B2925 Surface #EAE5D0 Accent #7A9E77 Secondary #393933

Carolina Blue 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.

Build a working theme in the generator →

Color Lab

How #579BCB 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 21/100

Cool

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

Softness 55/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 33/100

Low

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 41/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 38/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 68/100

High

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

Surface fit 38/100

Low

Usable as a tinted surface in measured doses.

Print safety 76/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #579BCB

For UI

For branding

For interior

For fashion

People also use #579BCB with

Medium Turquoise Slate Blue Peru Gainsboro Charcoal

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AA

Body text Do not use for body copy on light surfaces. Avoid

Large display Fine for headings 24px+ on white. Pass

Background Pair with #141310 text at 6.2:1. Use

Subtle surface Use #E1EAF1 for cards and hover fills. Tint 80

Avoid beside #5774CB — 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 #579BCB at work across the surfaces designers actually ship.

Website / UI

Northwind Sign up

Build faster.

A working theme, generated in seconds.

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: #579BCB;
  --color-base-rgb: 87 155 203;
  --color-base-oklch: oklch(66.4% 0.100 241.2);
  --color-50: #F3F8FC;
  --color-100: #DFEDF6;
  --color-200: #C1DAEC;
  --color-300: #95BDDA;
  --color-400: #6DA0C5;
  --color-500: #4C82A9;
  --color-600: #406682;
  --color-700: #324B5D;
  --color-800: #24333D;
  --color-900: #172026;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  carolina-blue: {
    50: '#F3F8FC',
    100: '#DFEDF6',
    200: '#C1DAEC',
    300: '#95BDDA',
    400: '#6DA0C5',
    500: '#4C82A9',
    600: '#406682',
    700: '#324B5D',
    800: '#24333D',
    900: '#172026',
  },
}

$base: #579BCB;
$base-ink: #141310;
$base-50: #F3F8FC;
$base-100: #DFEDF6;
$base-200: #C1DAEC;
$base-300: #95BDDA;
$base-400: #6DA0C5;
$base-500: #4C82A9;
$base-600: #406682;
$base-700: #324B5D;
$base-800: #24333D;
$base-900: #172026;
$base-hover: #377FB2;
$base-subtle: #D1E0EB;

{
    "color": {
        "base": {
            "value": "#579BCB",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F8FC",
                "type": "color"
            },
            "100": {
                "value": "#DFEDF6",
                "type": "color"
            },
            "200": {
                "value": "#C1DAEC",
                "type": "color"
            },
            "300": {
                "value": "#95BDDA",
                "type": "color"
            },
            "400": {
                "value": "#6DA0C5",
                "type": "color"
            },
            "500": {
                "value": "#4C82A9",
                "type": "color"
            },
            "600": {
                "value": "#406682",
                "type": "color"
            },
            "700": {
                "value": "#324B5D",
                "type": "color"
            },
            "800": {
                "value": "#24333D",
                "type": "color"
            },
            "900": {
                "value": "#172026",
                "type": "color"
            }
        }
    }
}

Palettes built on #579BCB

Color Lab

Pairs with #579BCB

UI roles & guardrails

In real applications

Scales

Every model

Export