Nearest named color: Bright Sky
#64D8FF
#64D8FF
Nearest named
Bright Sky
Family
Blue
Lightness
83.0%
Chroma
0.118
Hue angle
223.1°
Temperature
Cool
Contrast on white
1.64:1 · Fail
Contrast on black
11.33:1 · AAA
Web-safe
#66CCFF
CSS oklch()
83% 0.12 223

#64D8FF is a soft, cool blue. On the Color Lab it reads clean and engineered. It is too pale to lead as a primary accent and sits well as a supporting tone.

Palettes built on #64D8FF

Not just a swatch — here's how #64D8FF works with other colors. Named schemes with #64D8FF in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Bright Sky 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

Bright Sky 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

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

Minimal Editorial Surface · 5 colors

Bright Sky 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 Bright Sky carrying the quiet middle.

Modern Café Dominant · 5 colors

Bright Sky 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.

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Color Lab

How #64D8FF 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 15/100
Cool
Reads cool and recessive — calming, technical, good for trust-led UI.
Softness 64/100
High
Soft and easy on the eye — gentle backdrops, calm surfaces.
Depth 17/100
Very low
Airy and open — recedes, leaves the composition light.
Naturalness 2/100
Very low
Reads engineered rather than organic — synthetic, digital.
Vintage feel 29/100
Low
A faint retro warmth without tipping into sepia.
Luxury 24/100
Low
Playful and accessible rather than exclusive.
Brand distinctiveness 45/100
Moderate
Recognisable but shares space with nearby hues.
UI accent fit 21/100
Low
Weak as an action color — too pale, too dark or too muted to signal.
Surface fit 48/100
Moderate
Usable as a tinted surface in measured doses.
Print safety 69/100
High
Prints close, with a slight loss of vibrancy.

Pairs with #64D8FF

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 11.3:1. Use
Subtle surface Use #E5F5FB for cards and hover fills. Tint 80
Avoid beside #66A6FF — 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 #64D8FF 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: #64D8FF;
  --color-base-rgb: 100 216 255;
  --color-base-oklch: oklch(83.0% 0.118 223.1);
  --color-50: #F0FBFE;
  --color-100: #D8F4FD;
  --color-200: #B1E9FC;
  --color-300: #77D8F8;
  --color-400: #46C2EC;
  --color-500: #22A6D2;
  --color-600: #23809F;
  --color-700: #1F5C70;
  --color-800: #183C48;
  --color-900: #11252C;
  --color-on-base: #141310;
}