What color is #528FC7?

#528FC7 is a medium blue. In RGB it is rgb(82, 143, 199), and in HSL hsl(209, 51%, 55%).

Is #528FC7 accessible as text?

On white, #528FC7 has a contrast ratio of 3.44:1 (fails WCAG AA for body text); on black it is 6.11:1 (passes). For text placed on #528FC7, use black for the best readability.

What is the closest Tailwind color to #528FC7?

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

What colors go well with #528FC7?

#528FC7 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #C78A52. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #528FC7 below.

Is #528FC7 good for buttons?

#528FC7 works well for buttons and highlights, but use black text on #528FC7 — white text only reaches 3.44:1, below the 4.5:1 needed for normal-size labels.

Is #528FC7 the same as CSS steelblue?

No — #528FC7 is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#528FC7 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #528FC7

Not just a swatch — here's how #528FC7 works with other colors. Named schemes with #528FC7 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #528FC7 Accent #A5C4C1 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.

Nordic Calm Accent · 5 colors

Accent #528FC7 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.

Tech Product Signal · 5 colors

Signal #528FC7 Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #7DB4E9

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 #528FC7 Secondary #A3B8CC 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.

Modern Café Dominant · 5 colors

Dominant #528FC7 Anchor #3B2924 Surface #EAE5D0 Accent #7A9E78 Secondary #393933

Ocean 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 #528FC7 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 52/100

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 48/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 45/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 41/100

Moderate

Recognisable but shares space with nearby hues.

UI accent fit 79/100

High

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

Surface fit 33/100

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 #528FC7

For UI

For branding

For interior

For fashion

People also use #528FC7 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 5.4:1. Use

Subtle surface Use #E0E8F0 for cards and hover fills. Tint 80

Avoid beside #5267C7 — 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 #528FC7 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: #528FC7;
  --color-base-rgb: 82 143 199;
  --color-base-oklch: oklch(63.3% 0.106 247.9);
  --color-50: #F3F7FC;
  --color-100: #E0EBF6;
  --color-200: #C1D7EB;
  --color-300: #97B9D9;
  --color-400: #6F9AC3;
  --color-500: #4E7CA7;
  --color-600: #416281;
  --color-700: #33485C;
  --color-800: #24313D;
  --color-900: #181F26;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  ocean-blue: {
    50: '#F3F7FC',
    100: '#E0EBF6',
    200: '#C1D7EB',
    300: '#97B9D9',
    400: '#6F9AC3',
    500: '#4E7CA7',
    600: '#416281',
    700: '#33485C',
    800: '#24313D',
    900: '#181F26',
  },
}

$base: #528FC7;
$base-ink: #141310;
$base-50: #F3F7FC;
$base-100: #E0EBF6;
$base-200: #C1D7EB;
$base-300: #97B9D9;
$base-400: #6F9AC3;
$base-500: #4E7CA7;
$base-600: #416281;
$base-700: #33485C;
$base-800: #24313D;
$base-900: #181F26;
$base-hover: #3772A9;
$base-subtle: #CFDDEA;

{
    "color": {
        "base": {
            "value": "#528FC7",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F7FC",
                "type": "color"
            },
            "100": {
                "value": "#E0EBF6",
                "type": "color"
            },
            "200": {
                "value": "#C1D7EB",
                "type": "color"
            },
            "300": {
                "value": "#97B9D9",
                "type": "color"
            },
            "400": {
                "value": "#6F9AC3",
                "type": "color"
            },
            "500": {
                "value": "#4E7CA7",
                "type": "color"
            },
            "600": {
                "value": "#416281",
                "type": "color"
            },
            "700": {
                "value": "#33485C",
                "type": "color"
            },
            "800": {
                "value": "#24313D",
                "type": "color"
            },
            "900": {
                "value": "#181F26",
                "type": "color"
            }
        }
    }
}

Palettes built on #528FC7

Color Lab

Pairs with #528FC7

UI roles & guardrails

In real applications

Scales

Every model

Export