What color is #528DAB?

#528DAB is a medium cyan-blue. In RGB it is rgb(82, 141, 171), and in HSL hsl(200, 35%, 50%).

Is #528DAB accessible as text?

On white, #528DAB has a contrast ratio of 3.65:1 (fails WCAG AA for body text); on black it is 5.76:1 (passes). For text placed on #528DAB, use black for the best readability.

What is the closest Tailwind color to #528DAB?

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

What colors go well with #528DAB?

#528DAB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #AC7153. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #528DAB below.

Is #528DAB good for buttons?

#528DAB works well for buttons and highlights, but use black text on #528DAB — white text only reaches 3.65:1, below the 4.5:1 needed for normal-size labels.

Is #528DAB the same as CSS steelblue?

No — #528DAB is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#528DAB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #528DAB

Not just a swatch — here's how #528DAB works with other colors. Named schemes with #528DAB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #528DAB Accent #A6C4C0 Surface #DEDABF Secondary #9AA0A0 Anchor #1F344A

Air Force 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 #528DAB Secondary #AEB4B8 Surface #F1F2F0 Support #7B93A6 Anchor #2E3236

Air Force 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 #528DAB Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #7DB2CE

Air Force 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 Air Force Blue.

Vintage Leather Lead · 5 colors

Lead #528DAB Secondary #6F5216 Surface #E2DCC0 Accent #385244 Anchor #56233D

Air Force 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 #528DAB Secondary #9FB3BE Support #969386 Ink #16140F

Air Force 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 Air Force Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #528DAB 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 38/100

Low

Mid depth — usable as an accent or a muted ground.

Naturalness 1/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 51/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 45/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 21/100

Low

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

UI accent fit 75/100

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 #528DAB

For UI

For branding

For interior

For fashion

People also use #528DAB with

Verdigris 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 5.1:1. Use

Subtle surface Use #DFE8EC for cards and hover fills. Tint 80

Avoid beside #5371AC — 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 #528DAB 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: #528DAB;
  --color-base-rgb: 82 141 171;
  --color-base-oklch: oklch(61.5% 0.077 232.0);
  --color-50: #F4F8FA;
  --color-100: #E3EDF2;
  --color-200: #C8DBE4;
  --color-300: #A1BFCE;
  --color-400: #7CA3B6;
  --color-500: #5C8599;
  --color-600: #4B6877;
  --color-700: #394C56;
  --color-800: #283339;
  --color-900: #1A2023;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  air-force-blue: {
    50: '#F4F8FA',
    100: '#E3EDF2',
    200: '#C8DBE4',
    300: '#A1BFCE',
    400: '#7CA3B6',
    500: '#5C8599',
    600: '#4B6877',
    700: '#394C56',
    800: '#283339',
    900: '#1A2023',
  },
}

$base: #528DAB;
$base-ink: #141310;
$base-50: #F4F8FA;
$base-100: #E3EDF2;
$base-200: #C8DBE4;
$base-300: #A1BFCE;
$base-400: #7CA3B6;
$base-500: #5C8599;
$base-600: #4B6877;
$base-700: #394C56;
$base-800: #283339;
$base-900: #1A2023;
$base-hover: #42728A;
$base-subtle: #CFDCE3;

{
    "color": {
        "base": {
            "value": "#528DAB",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F8FA",
                "type": "color"
            },
            "100": {
                "value": "#E3EDF2",
                "type": "color"
            },
            "200": {
                "value": "#C8DBE4",
                "type": "color"
            },
            "300": {
                "value": "#A1BFCE",
                "type": "color"
            },
            "400": {
                "value": "#7CA3B6",
                "type": "color"
            },
            "500": {
                "value": "#5C8599",
                "type": "color"
            },
            "600": {
                "value": "#4B6877",
                "type": "color"
            },
            "700": {
                "value": "#394C56",
                "type": "color"
            },
            "800": {
                "value": "#283339",
                "type": "color"
            },
            "900": {
                "value": "#1A2023",
                "type": "color"
            }
        }
    }
}

Palettes built on #528DAB

Color Lab

Pairs with #528DAB

UI roles & guardrails

In real applications

Scales

Every model

Export