What color is #4F75BB?

#4F75BB is a medium blue. In RGB it is rgb(79, 117, 187), and in HSL hsl(219, 44%, 52%).

Is #4F75BB accessible as text?

On white, #4F75BB has a contrast ratio of 4.57:1 (passes WCAG AA for body text); on black it is 4.59:1 (passes). For text placed on #4F75BB, use black for the best readability.

What is the closest Tailwind color to #4F75BB?

The nearest Tailwind CSS token is sky-600 (#0084D1).

What colors go well with #4F75BB?

#4F75BB pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #BA954F. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #4F75BB below.

Is #4F75BB good for buttons?

#4F75BB works for buttons; black text has the higher contrast, so prefer it for labels.

Is #4F75BB the same as CSS steelblue?

No — #4F75BB is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#4F75BB Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #4F75BB

Not just a swatch — here's how #4F75BB works with other colors. Named schemes with #4F75BB in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #4F75BB Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #21344A

Steel 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 #4F75BB Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #769ADC

Steel 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 Steel Blue.

Vintage Leather Lead · 5 colors

Lead #4F75BB Secondary #7F4536 Surface #E1DDC1 Accent #375246 Anchor #57223A

Steel 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 #4F75BB Surface #F6E5D8 Anchor #5A2144 Accent #E4C2CA Secondary #322B2F

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

Minimal Editorial Surface · 5 colors

Surface #F8F4EF Accent #4F75BB Secondary #93A1BB Support #9D8F88 Ink #18140F

Steel 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 Steel Blue carrying the quiet middle.

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Color Lab

How #4F75BB 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 46/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 44/100

Moderate

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

Naturalness 0/100

Very low

Reads engineered rather than organic — synthetic, digital.

Vintage feel 52/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 51/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 32/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 96/100

Very high

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

Surface fit 23/100

Low

Too saturated or mid-toned for big areas — keep it to accents.

Print safety 78/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #4F75BB

For UI

For branding

For interior

For fashion

People also use #4F75BB with

Lagoon Blue Slate Blue Camel Gainsboro Charcoal

UI roles & guardrails

Primary action Safe as a filled button with white label. AA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 4.6:1. Use

Subtle surface Use #DFE4EE for cards and hover fills. Tint 80

Avoid beside #4F51BA — 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 #4F75BB 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: #4F75BB;
  --color-base-rgb: 79 117 187;
  --color-base-oklch: oklch(56.7% 0.117 261.8);
  --color-50: #F4F6FB;
  --color-100: #E1E8F4;
  --color-200: #C4D1E8;
  --color-300: #9BAFD4;
  --color-400: #758EBD;
  --color-500: #546FA1;
  --color-600: #46597C;
  --color-700: #364259;
  --color-800: #262D3B;
  --color-900: #191D25;
  --color-on-base: #141310;
}

// tailwind.config.js
colors: {
  steel-blue: {
    50: '#F4F6FB',
    100: '#E1E8F4',
    200: '#C4D1E8',
    300: '#9BAFD4',
    400: '#758EBD',
    500: '#546FA1',
    600: '#46597C',
    700: '#364259',
    800: '#262D3B',
    900: '#191D25',
  },
}

$base: #4F75BB;
$base-ink: #141310;
$base-50: #F4F6FB;
$base-100: #E1E8F4;
$base-200: #C4D1E8;
$base-300: #9BAFD4;
$base-400: #758EBD;
$base-500: #546FA1;
$base-600: #46597C;
$base-700: #364259;
$base-800: #262D3B;
$base-900: #191D25;
$base-hover: #3B5C99;
$base-subtle: #CED7E7;

{
    "color": {
        "base": {
            "value": "#4F75BB",
            "type": "color"
        },
        "onBase": {
            "value": "#141310",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F4F6FB",
                "type": "color"
            },
            "100": {
                "value": "#E1E8F4",
                "type": "color"
            },
            "200": {
                "value": "#C4D1E8",
                "type": "color"
            },
            "300": {
                "value": "#9BAFD4",
                "type": "color"
            },
            "400": {
                "value": "#758EBD",
                "type": "color"
            },
            "500": {
                "value": "#546FA1",
                "type": "color"
            },
            "600": {
                "value": "#46597C",
                "type": "color"
            },
            "700": {
                "value": "#364259",
                "type": "color"
            },
            "800": {
                "value": "#262D3B",
                "type": "color"
            },
            "900": {
                "value": "#191D25",
                "type": "color"
            }
        }
    }
}

Palettes built on #4F75BB

Color Lab

Pairs with #4F75BB

UI roles & guardrails

In real applications

Scales

Every model

Export