Nearest named color: Cerulean
#3752AA
#3752AA
Nearest named
Cerulean
Family
Blue
Lightness
46.7%
Chroma
0.145
Hue angle
267.7°
Temperature
Cool
Contrast on white
7.12:1 · AAA
Contrast on black
2.61:1 · Fail
Web-safe
#336699
CSS oklch()
47% 0.14 268

#3752AA is a mid-toned, cool violet. On the Color Lab it reads clean and engineered, quietly premium. It carries a legible label as a UI accent and sits well as a supporting tone.

Palettes built on #3752AA

Not just a swatch — here's how #3752AA works with other colors. Named schemes with #3752AA in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Cerulean 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

Cerulean is the vivid signal in this product UI — on a near-black surface with cool white, a slate grey and a lighter tint of Cerulean.

Vintage Leather Lead · 5 colors

Cerulean 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

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

Minimal Editorial Surface · 5 colors

Cerulean 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 Cerulean carrying the quiet middle.

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Color Lab

How #3752AA 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 16/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 36/100
Low
Middle-weight — neither delicate nor heavy.
Depth 55/100
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 39/100
Low
A faint retro warmth without tipping into sepia.
Luxury 58/100
Moderate
Restrained and premium — deep, quiet, high-end packaging and fashion.
Brand distinctiveness 39/100
Low
Recognisable but shares space with nearby hues.
UI accent fit 93/100
Very high
Strong interactive accent — visible and can carry a legible label.
Surface fit 11/100
Very low
Too saturated or mid-toned for big areas — keep it to accents.
Print safety 75/100
High
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #3752AA

For UI
For branding
For interior
For fashion

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA
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 7.1:1. Use
Subtle surface Use #D8DDED for cards and hover fills. Tint 80
Avoid beside #4237A9 — 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 #3752AA 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

Scales

ShadesBase darkened in 10% steps
TintsBase lifted toward white
TonesSaturation removed, lightness held
Monochromatic scaleDesign-system ready, 50–900

Every model

Export

:root {
  --color-base: #3752AA;
  --color-base-rgb: 55 82 170;
  --color-base-oklch: oklch(46.7% 0.145 267.7);
  --color-50: #F3F5FC;
  --color-100: #E0E5F6;
  --color-200: #C1CBEB;
  --color-300: #97A6D9;
  --color-400: #6F82C3;
  --color-500: #4E62A7;
  --color-600: #415081;
  --color-700: #333C5C;
  --color-800: #242A3D;
  --color-900: #181B26;
  --color-on-base: #FFFFFF;
}