What color is #578FB2?

#578FB2 is a medium cyan-blue. In RGB it is rgb(87, 143, 178), and in HSL hsl(203, 37%, 52%).

Is #578FB2 accessible as text?

On white, #578FB2 has a contrast ratio of 3.51:1 (fails WCAG AA for body text); on black it is 5.98:1 (passes). For text placed on #578FB2, use black for the best readability.

What is the closest Tailwind color to #578FB2?

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

What colors go well with #578FB2?

#578FB2 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #B27A57. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #578FB2 below.

Is #578FB2 good for buttons?

#578FB2 works well for buttons and highlights, but use black text on #578FB2 — white text only reaches 3.51:1, below the 4.5:1 needed for normal-size labels.

Is #578FB2 the same as CSS steelblue?

No — #578FB2 is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#578FB2 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #578FB2

Not just a swatch — here's how #578FB2 works with other colors. Named schemes with #578FB2 in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Accent #578FB2 Secondary #AEB4B8 Surface #F1F2F0 Support #7C93A6 Anchor #2E3236

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

Coastal Morning Lead · 5 colors

Lead #578FB2 Accent #A6C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Ocean Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Japanese Sand Base · 5 colors

Base #578FB2 Surface #ECEADC Highlight #F4F2E7 Secondary #B2B2A0 Ink #2A2723

Ocean Blue sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Tech Product Signal · 5 colors

Signal #578FB2 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #81B4D4

Ocean 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 Ocean Blue.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #578FB2 Secondary #A3B6C3 Support #969386 Ink #16140F

Ocean 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 Ocean Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #578FB2 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 27/100

Cool

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

Softness 55/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 37/100

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 51/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 44/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 31/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 73/100

High

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

Surface fit 40/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 80/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #578FB2

For UI

For branding

For interior

For fashion

People also use #578FB2 with

Medium Aquamarine Tanzanite Copper Platinum 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 5.3:1. Use

Subtle surface Use #E0E8ED for cards and hover fills. Tint 80

Avoid beside #5771B2 — 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 #578FB2 at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #578FB2;
  --color-base-rgb: 87 143 178;
  --color-base-oklch: oklch(62.5% 0.079 237.3);
  --color-50: #F4F8FA;
  --color-100: #E3ECF3;
  --color-200: #C7DAE5;
  --color-300: #A0BDCF;
  --color-400: #7AA0B8;
  --color-500: #5A829B;
  --color-600: #4A6678;
  --color-700: #384B56;
  --color-800: #283339;
  --color-900: #1A2024;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  ocean-blue: {
    50: '#F4F8FA',
    100: '#E3ECF3',
    200: '#C7DAE5',
    300: '#A0BDCF',
    400: '#7AA0B8',
    500: '#5A829B',
    600: '#4A6678',
    700: '#384B56',
    800: '#283339',
    900: '#1A2024',
  },
}

$base: #578FB2;
$base-ink: #141310;
$base-50: #F4F8FA;
$base-100: #E3ECF3;
$base-200: #C7DAE5;
$base-300: #A0BDCF;
$base-400: #7AA0B8;
$base-500: #5A829B;
$base-600: #4A6678;
$base-700: #384B56;
$base-800: #283339;
$base-900: #1A2024;
$base-hover: #437391;
$base-subtle: #D0DDE5;

{
    "color": {
        "base": {
            "value": "#578FB2",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F8FA",
                "type": "color"
            },
            "100": {
                "value": "#E3ECF3",
                "type": "color"
            },
            "200": {
                "value": "#C7DAE5",
                "type": "color"
            },
            "300": {
                "value": "#A0BDCF",
                "type": "color"
            },
            "400": {
                "value": "#7AA0B8",
                "type": "color"
            },
            "500": {
                "value": "#5A829B",
                "type": "color"
            },
            "600": {
                "value": "#4A6678",
                "type": "color"
            },
            "700": {
                "value": "#384B56",
                "type": "color"
            },
            "800": {
                "value": "#283339",
                "type": "color"
            },
            "900": {
                "value": "#1A2024",
                "type": "color"
            }
        }
    }
}

Palettes built on #578FB2

Color Lab

Pairs with #578FB2

UI roles & guardrails

In real applications

Scales

Every model

Export