Nearest named color: Cadet Blue
#57A2BB
#57A2BB
Nearest named
Cadet Blue
Family
Blue
Lightness
67.4%
Chroma
0.083
Hue angle
222.0°
Temperature
Cool
Contrast on white
2.88:1 · Fail
Contrast on black
6.45:1 · AA
Web-safe
#6699CC
CSS oklch()
67% 0.08 222

#57A2BB is a mid-toned, cool blue. On the Color Lab it reads clean and engineered. It carries a legible label as a UI accent and reproduces cleanly in print.

Palettes built on #57A2BB

Not just a swatch — here's how #57A2BB works with other colors. Named schemes with #57A2BB in its natural role, and a note on why the supporting colors balance it.

Nordic Calm Accent · 5 colors

Cadet Blue keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Coastal Morning Lead · 5 colors

Cadet Blue opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Japanese Sand Base · 5 colors

Cadet Blue sets a calm, sun-bleached base here, wrapped in bone and paper off-whites and a soft greige, with a single ink accent for wabi-sabi restraint.

Tech Product Signal · 5 colors

Cadet 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 Cadet Blue.

Minimal Editorial Surface · 5 colors

Cadet 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 Cadet Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #57A2BB 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 26/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 58/100
Moderate
Middle-weight — neither delicate nor heavy.
Depth 32/100
Low
Mid depth — usable as an accent or a muted ground.
Naturalness 2/100
Very low
Reads engineered rather than organic — synthetic, digital.
Vintage feel 48/100
Moderate
A faint retro warmth without tipping into sepia.
Luxury 39/100
Low
Understated — leans refined without going austere.
Brand distinctiveness 32/100
Low
Recognisable but shares space with nearby hues.
UI accent fit 61/100
High
Strong interactive accent — visible and can carry a legible label.
Surface fit 44/100
Moderate
Usable as a tinted surface in measured doses.
Print safety 78/100
High
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #57A2BB

For UI
For branding
For interior
For fashion

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 Only on dark surfaces. Avoid
Background Pair with #141310 text at 6.5:1. Use
Subtle surface Use #E0EBEF for cards and hover fills. Tint 80
Avoid beside #5881BB — 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 #57A2BB 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: #57A2BB;
  --color-base-rgb: 87 162 187;
  --color-base-oklch: oklch(67.4% 0.083 222.0);
  --color-50: #F4F9FB;
  --color-100: #E2EFF4;
  --color-200: #C5DFE7;
  --color-300: #9CC5D3;
  --color-400: #76AABC;
  --color-500: #558D9F;
  --color-600: #476E7B;
  --color-700: #365058;
  --color-800: #26353B;
  --color-900: #192124;
  --color-on-base: #141310;
}