#81B8EA#81B8EA

#81B8EA is a light, moderate cyan. Relative luminance 0.449; OKLCH L 76.3% C 0.092 H 246.8°. Best body text is #000000 at 9.98:1 contrast (WCAG AA passes).

Color values

HEX#81B8EA
RGBrgb(129, 184, 234)
HSLhsl(209, 71%, 71%)
HSVhsv(209, 45%, 92%)
CMYKcmyk(44.9%, 21.4%, 0%, 8.2%)
CIE-LABlab(72.82, -4.92, -30.54)
CIE-LCHlch(72.82, 30.93, 260.85°)
OKLaboklab(76.33% -0.0365 -0.0849)
OKLCHoklch(76.33% 0.092 246.8)
XYZxyz(41.0400, 44.8859, 84.3272)
Luminance0.4489 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81B8EA #EAB381
analogous
#81EAE7 #81B8EA #8183EA
triadic
#81B8EA #EA81B8 #B8EA81
tetradic
#81B8EA #E781EA #EAB381 #83EA81
square
#81B8EA #E781EA #EAB381 #83EA81
split-complementary
#81B8EA #EA8183 #EAE781
monochromatic
#227CCE #4D9AE1 #81B8EA #B5D6F3 #E5F0FB

Accessibility & contrast

On white

2.10
#81B8EA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.98
#81B8EA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B8EA
9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81B8EA#FFFFFF#000000##000000
##81B8EA1.002.109.989.98
#FFFFFF2.101.0021.0021.00
#0000009.9821.001.001.00
##0000009.9821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A4B9EC
Deuteranopia (green-blind)
#96AEE9
Tritanopia (blue-blind)
#55C4C9
Achromatopsia (no color)
#B3B3B3

Design tokens & code

CSS
--color: #81b8ea;
/* rgb */ color: rgb(129, 184, 234);
/* oklch */ color: oklch(76.3% 0.092 246.8);
Tailwind
colors: {
  custom: {
    50: '#aacdf1',
    500: '#81b8ea',
    950: '#000000',
  },
}
SCSS
$custom: #81b8ea;
$custom-light: #aacdf1;
$custom-dark: #000000;
JSON
{
  "hex": "#81b8ea",
  "rgb": {
    "r": 129,
    "g": 184,
    "b": 234
  },
  "hsl": {
    "h": 208.571,
    "s": 71.429,
    "l": 71.176
  },
  "oklch": {
    "l": 0.76332,
    "c": 0.09239,
    "h": 246.8
  },
  "luminance": 0.44889
}

Semantic roles & 50–950 ramp

primary
#81B8EA
secondary
#F1E3D6
accent
#6E12D3
background
#FAFCFE
surface
#F4F8FD
border
#CED1D5
text
#101316
muted
#7F8284

Preview Lab

Preview with #81B8EA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#81B8EA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva