What color is #508BBE?

#508BBE is a medium blue. In RGB it is rgb(80, 139, 190), and in HSL hsl(208, 46%, 53%).

Is #508BBE accessible as text?

On white, #508BBE has a contrast ratio of 3.63:1 (fails WCAG AA for body text); on black it is 5.78:1 (passes). For text placed on #508BBE, use black for the best readability.

What is the closest Tailwind color to #508BBE?

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

What colors go well with #508BBE?

#508BBE pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #BE8350. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #508BBE below.

Is #508BBE good for buttons?

#508BBE works well for buttons and highlights, but use black text on #508BBE — white text only reaches 3.63:1, below the 4.5:1 needed for normal-size labels.

Is #508BBE the same as CSS steelblue?

No — #508BBE is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#508BBE Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #508BBE

Not just a swatch — here's how #508BBE works with other colors. Named schemes with #508BBE in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #508BBE Accent #A5C4C0 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

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

Tech Product Signal · 5 colors

Signal #508BBE Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #7BB0E0

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.

Vintage Leather Lead · 5 colors

Lead #508BBE Secondary #7F4438 Surface #E1DDC0 Accent #375245 Anchor #57233C

Ocean 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.

Berry & Cream Lead · 5 colors

Lead #508BBE Surface #EDE9D6 Anchor #5A2246 Accent #E4C2CB Secondary #322B2F

Ocean Blue sits between cream and a deep berry here, softened by a blush accent and grounded by charcoal.

Minimal Editorial Surface · 5 colors

Surface #F6F4EF Accent #508BBE Secondary #9FB3C6 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 #508BBE 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 22/100

Cool

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

Softness 52/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 38/100

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 46/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 27/100

Low

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

UI accent fit 82/100

Very high

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

Surface fit 34/100

Low

Usable as a tinted surface in measured doses.

Print safety 77/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #508BBE

For UI

For branding

For interior

For fashion

People also use #508BBE 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 5.1:1. Use

Subtle surface Use #DFE8EF for cards and hover fills. Tint 80

Avoid beside #5066BE — 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 #508BBE 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: #508BBE;
  --color-base-rgb: 80 139 190;
  --color-base-oklch: oklch(61.8% 0.099 246.4);
  --color-50: #F3F8FB;
  --color-100: #E1EBF5;
  --color-200: #C4D7E9;
  --color-300: #9ABAD5;
  --color-400: #739CBF;
  --color-500: #527DA3;
  --color-600: #44637E;
  --color-700: #35495A;
  --color-800: #25313C;
  --color-900: #181F25;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  ocean-blue: {
    50: '#F3F8FB',
    100: '#E1EBF5',
    200: '#C4D7E9',
    300: '#9ABAD5',
    400: '#739CBF',
    500: '#527DA3',
    600: '#44637E',
    700: '#35495A',
    800: '#25313C',
    900: '#181F25',
  },
}

$base: #508BBE;
$base-ink: #141310;
$base-50: #F3F8FB;
$base-100: #E1EBF5;
$base-200: #C4D7E9;
$base-300: #9ABAD5;
$base-400: #739CBF;
$base-500: #527DA3;
$base-600: #44637E;
$base-700: #35495A;
$base-800: #25313C;
$base-900: #181F25;
$base-hover: #3A6F9E;
$base-subtle: #CEDCE8;

{
    "color": {
        "base": {
            "value": "#508BBE",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F8FB",
                "type": "color"
            },
            "100": {
                "value": "#E1EBF5",
                "type": "color"
            },
            "200": {
                "value": "#C4D7E9",
                "type": "color"
            },
            "300": {
                "value": "#9ABAD5",
                "type": "color"
            },
            "400": {
                "value": "#739CBF",
                "type": "color"
            },
            "500": {
                "value": "#527DA3",
                "type": "color"
            },
            "600": {
                "value": "#44637E",
                "type": "color"
            },
            "700": {
                "value": "#35495A",
                "type": "color"
            },
            "800": {
                "value": "#25313C",
                "type": "color"
            },
            "900": {
                "value": "#181F25",
                "type": "color"
            }
        }
    }
}

Palettes built on #508BBE

Color Lab

Pairs with #508BBE

UI roles & guardrails

In real applications

Scales

Every model

Export