Nearest named color: Lagoon Blue
#59C3DA
#59C3DA
Nearest named
Lagoon Blue
Family
Blue
Lightness
76.4%
Chroma
0.102
Hue angle
214.1°
Temperature
Cool
Contrast on white
2.05:1 · Fail
Contrast on black
9.06:1 · AAA
Web-safe
#66CCCC
CSS oklch()
76% 0.10 214

#59C3DA is a soft, cool blue. On the Color Lab it reads clean and engineered. It sits well as a supporting tone.

Palettes built on #59C3DA

Not just a swatch — here's how #59C3DA works with other colors. Named schemes with #59C3DA in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lagoon 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

Lagoon 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

Lagoon 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 Lagoon Blue.

Minimal Editorial Surface · 5 colors

Lagoon 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 Lagoon Blue carrying the quiet middle.

Modern Café Dominant · 5 colors

Lagoon 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 #59C3DA 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 21/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 62/100
High
Soft and easy on the eye — gentle backdrops, calm surfaces.
Depth 24/100
Low
Airy and open — recedes, leaves the composition light.
Naturalness 4/100
Very low
Reads engineered rather than organic — synthetic, digital.
Vintage feel 38/100
Low
A faint retro warmth without tipping into sepia.
Luxury 31/100
Low
Understated — leans refined without going austere.
Brand distinctiveness 39/100
Low
Recognisable but shares space with nearby hues.
UI accent fit 37/100
Low
Workable accent with care around contrast.
Surface fit 46/100
Moderate
Usable as a tinted surface in measured doses.
Print safety 72/100
High
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #59C3DA

For UI
For branding
For interior
For fashion

UI roles & guardrails

Primary action Safe as a filled button with near-black label. AAA
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 9.1:1. Use
Subtle surface Use #E1F1F4 for cards and hover fills. Tint 80
Avoid beside #5897DA — 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 #59C3DA at work across the surfaces designers actually ship.

Website / UI
Northwind Sign up
Build faster.
A working theme, generated in seconds.
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: #59C3DA;
  --color-base-rgb: 89 195 218;
  --color-base-oklch: oklch(76.4% 0.102 214.1);
  --color-50: #F2FBFD;
  --color-100: #DDF3F8;
  --color-200: #BCE7F0;
  --color-300: #8ED2E1;
  --color-400: #64BBCE;
  --color-500: #429EB3;
  --color-600: #397A89;
  --color-700: #2E5861;
  --color-800: #213A40;
  --color-900: #162427;
  --color-on-base: #141310;
}