What color is #3772BF?

#3772BF is a medium blue. In RGB it is rgb(55, 114, 191), and in HSL hsl(214, 55%, 48%).

Is #3772BF accessible as text?

On white, #3772BF has a contrast ratio of 4.86:1 (passes WCAG AA for body text); on black it is 4.32:1 (fails). For text placed on #3772BF, use white for the best readability.

What is the closest Tailwind color to #3772BF?

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

What colors go well with #3772BF?

#3772BF pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #BE8337. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #3772BF below.

Is #3772BF good for buttons?

#3772BF works well for buttons and highlights, but use white text on #3772BF — black text only reaches 4.32:1, below the 4.5:1 needed for normal-size labels.

Is #3772BF the same as CSS steelblue?

No — #3772BF is not the CSS named color steelblue, but steelblue (#4682B4) is the closest CSS named color.

#3772BF Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #3772BF

Not just a swatch — here's how #3772BF works with other colors. Named schemes with #3772BF in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #3772BF Accent #A5C4C1 Surface #DDDBBF Secondary #9AA0A1 Anchor #20344A

True 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 #3772BF Surface #14161A Highlight #F4F6F8 Secondary #5A6672 Accent #6297DF

True 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 True Blue.

Vintage Leather Lead · 5 colors

Lead #3772BF Secondary #7F4537 Surface #E1DDC1 Accent #375246 Anchor #57233B

True 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 #3772BF Surface #EDE9D6 Anchor #5A2145 Accent #E4C2CA Secondary #322B2F

True 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 #3772BF Secondary #899DB9 Support #9D8F89 Ink #16140F

True 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 True Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #3772BF 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 14/100

Cool

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

Softness 42/100

Moderate

Middle-weight — neither delicate nor heavy.

Depth 46/100

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 46/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 51/100

Moderate

Understated — leans refined without going austere.

Brand distinctiveness 37/100

Low

Recognisable but shares space with nearby hues.

UI accent fit 99/100

Very high

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

Surface fit 16/100

Very low

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

Print safety 72/100

High

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #3772BF

For UI

For branding

For interior

For fashion

People also use #3772BF with

Medium Turquoise Cerulean Bronze 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 4.9:1. Use

Subtle surface Use #DAE3EF for cards and hover fills. Tint 80

Avoid beside #3745BE — 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 #3772BF at work across the surfaces designers actually ship.

Website / UI

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Build faster.

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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: #3772BF;
  --color-base-rgb: 55 114 191;
  --color-base-oklch: oklch(55.1% 0.135 256.1);
  --color-50: #F3F7FC;
  --color-100: #DFE9F6;
  --color-200: #C0D3ED;
  --color-300: #94B3DB;
  --color-400: #6B93C7;
  --color-500: #4A74AB;
  --color-600: #3F5C83;
  --color-700: #31445E;
  --color-800: #232F3E;
  --color-900: #171E26;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  true-blue: {
    50: '#F3F7FC',
    100: '#DFE9F6',
    200: '#C0D3ED',
    300: '#94B3DB',
    400: '#6B93C7',
    500: '#4A74AB',
    600: '#3F5C83',
    700: '#31445E',
    800: '#232F3E',
    900: '#171E26',
  },
}

$base: #3772BF;
$base-ink: #FFFFFF;
$base-50: #F3F7FC;
$base-100: #DFE9F6;
$base-200: #C0D3ED;
$base-300: #94B3DB;
$base-400: #6B93C7;
$base-500: #4A74AB;
$base-600: #3F5C83;
$base-700: #31445E;
$base-800: #232F3E;
$base-900: #171E26;
$base-hover: #2C5B98;
$base-subtle: #C7D5E8;

{
    "color": {
        "base": {
            "value": "#3772BF",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F3F7FC",
                "type": "color"
            },
            "100": {
                "value": "#DFE9F6",
                "type": "color"
            },
            "200": {
                "value": "#C0D3ED",
                "type": "color"
            },
            "300": {
                "value": "#94B3DB",
                "type": "color"
            },
            "400": {
                "value": "#6B93C7",
                "type": "color"
            },
            "500": {
                "value": "#4A74AB",
                "type": "color"
            },
            "600": {
                "value": "#3F5C83",
                "type": "color"
            },
            "700": {
                "value": "#31445E",
                "type": "color"
            },
            "800": {
                "value": "#232F3E",
                "type": "color"
            },
            "900": {
                "value": "#171E26",
                "type": "color"
            }
        }
    }
}

Palettes built on #3772BF

Color Lab

Pairs with #3772BF

UI roles & guardrails

In real applications

Scales

Every model

Export