Nearest named color: Bondi Blue
#308EA1
#308EA1
Nearest named
Bondi Blue
Family
Blue
Lightness
60.0%
Chroma
0.090
Hue angle
213.9°
Temperature
Cool
Contrast on white
3.81:1 · AA Large
Contrast on black
4.87:1 · AA
Web-safe
#339999
CSS oklch()
60% 0.09 214

#308EA1 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 sits well as a supporting tone.

Palettes built on #308EA1

Not just a swatch — here's how #308EA1 works with other colors. Named schemes with #308EA1 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Bondi 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

Bondi 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

Bondi 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 Bondi Blue.

Vintage Leather Lead · 5 colors

Bondi 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.

Minimal Editorial Surface · 5 colors

Bondi 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 Bondi Blue carrying the quiet middle.

Build a working theme in the generator →

Color Lab

How #308EA1 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 24/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 52/100
Moderate
Middle-weight — neither delicate nor heavy.
Depth 39/100
Low
Mid depth — usable as an accent or a muted ground.
Naturalness 3/100
Very low
Reads engineered rather than organic — synthetic, digital.
Vintage feel 56/100
Moderate
Faded, nostalgic quality — editorial, heritage and retro work.
Luxury 47/100
Moderate
Understated — leans refined without going austere.
Brand distinctiveness 24/100
Low
Quiet and neutral — a supporting tone, not a signature.
UI accent fit 83/100
Very high
Strong interactive accent — visible and can carry a legible label.
Surface fit 35/100
Low
Usable as a tinted surface in measured doses.
Print safety 76/100
High
Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #308EA1

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 Fine for headings 24px+ on white. Pass
Background Pair with #141310 text at 4.9:1. Use
Subtle surface Use #D5E9ED for cards and hover fills. Tint 80
Avoid beside #3069A1 — 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 #308EA1 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: #308EA1;
  --color-base-rgb: 48 142 161;
  --color-base-oklch: oklch(60.0% 0.090 213.9);
  --color-50: #F3FAFC;
  --color-100: #DFF2F6;
  --color-200: #C0E5EC;
  --color-300: #95CFDA;
  --color-400: #6CB7C6;
  --color-500: #4B9AAA;
  --color-600: #3F7783;
  --color-700: #32565D;
  --color-800: #23393D;
  --color-900: #172326;
  --color-on-base: #141310;
}