What color is #478BBF?

#478BBF is a medium cyan-blue. In RGB it is rgb(71, 139, 191), and in HSL hsl(206, 48%, 51%).

Is #478BBF accessible as text?

On white, #478BBF has a contrast ratio of 3.68:1 (fails WCAG AA for body text); on black it is 5.71:1 (passes). For text placed on #478BBF, use black for the best readability.

What is the closest Tailwind color to #478BBF?

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

What colors go well with #478BBF?

#478BBF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #BE7A46. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #478BBF below.

Is #478BBF good for buttons?

#478BBF works well for buttons and highlights, but use black text on #478BBF — white text only reaches 3.68:1, below the 4.5:1 needed for normal-size labels.

Is #478BBF the same as CSS steelblue?

No — #478BBF is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#478BBF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #478BBF

Not just a swatch — here's how #478BBF works with other colors. Named schemes with #478BBF in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #478BBF Accent #A5C4C0 Surface #DEDBBF Secondary #9AA0A0 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 #478BBF Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #74B0E1

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 #478BBF 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 #478BBF Surface #EEE9D6 Anchor #5A2246 Accent #E4C2CB Secondary #322B30

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 #478BBF Secondary #9CB3C6 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.

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Color Lab

How #478BBF 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 20/100

Cool

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

Softness 51/100

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 50/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 46/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 28/100

Low

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

UI accent fit 84/100

Very high

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

Surface fit 31/100

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 #478BBF

For UI

For branding

For interior

For fashion

People also use #478BBF with

Medium Turquoise Cerulean Copper 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 #DDE7EF for cards and hover fills. Tint 80

Avoid beside #4662BE — 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 #478BBF 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: #478BBF;
  --color-base-rgb: 71 139 191;
  --color-base-oklch: oklch(61.5% 0.105 243.8);
  --color-50: #F3F8FB;
  --color-100: #E0ECF5;
  --color-200: #C3D9EA;
  --color-300: #99BCD7;
  --color-400: #719EC1;
  --color-500: #5080A5;
  --color-600: #43657F;
  --color-700: #344A5B;
  --color-800: #25323C;
  --color-900: #181F25;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  ocean-blue: {
    50: '#F3F8FB',
    100: '#E0ECF5',
    200: '#C3D9EA',
    300: '#99BCD7',
    400: '#719EC1',
    500: '#5080A5',
    600: '#43657F',
    700: '#344A5B',
    800: '#25323C',
    900: '#181F25',
  },
}

$base: #478BBF;
$base-ink: #141310;
$base-50: #F3F8FB;
$base-100: #E0ECF5;
$base-200: #C3D9EA;
$base-300: #99BCD7;
$base-400: #719EC1;
$base-500: #5080A5;
$base-600: #43657F;
$base-700: #344A5B;
$base-800: #25323C;
$base-900: #181F25;
$base-hover: #366F9A;
$base-subtle: #CCDBE7;

{
    "color": {
        "base": {
            "value": "#478BBF",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F8FB",
                "type": "color"
            },
            "100": {
                "value": "#E0ECF5",
                "type": "color"
            },
            "200": {
                "value": "#C3D9EA",
                "type": "color"
            },
            "300": {
                "value": "#99BCD7",
                "type": "color"
            },
            "400": {
                "value": "#719EC1",
                "type": "color"
            },
            "500": {
                "value": "#5080A5",
                "type": "color"
            },
            "600": {
                "value": "#43657F",
                "type": "color"
            },
            "700": {
                "value": "#344A5B",
                "type": "color"
            },
            "800": {
                "value": "#25323C",
                "type": "color"
            },
            "900": {
                "value": "#181F25",
                "type": "color"
            }
        }
    }
}

Palettes built on #478BBF

Color Lab

Pairs with #478BBF

UI roles & guardrails

In real applications

Scales

Every model

Export