#81BBF0#81BBF0

#81BBF0 is a light, moderate cyan. Relative luminance 0.465; OKLCH L 77.2% C 0.097 H 247.0°. Best body text is #000000 at 10.30:1 contrast (WCAG AA passes).

Color values

HEX#81BBF0
RGBrgb(129, 187, 240)
HSLhsl(209, 79%, 72%)
HSVhsv(209, 46%, 94%)
CMYKcmyk(46.3%, 22.1%, 0%, 5.9%)
CIE-LABlab(73.87, -4.87, -32.17)
CIE-LCHlch(73.87, 32.53, 261.39°)
OKLaboklab(77.24% -0.0381 -0.0895)
OKLCHoklch(77.24% 0.097 247)
XYZxyz(42.5464, 46.4961, 89.1538)
Luminance0.4650 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81BBF0 #F0B681
analogous
#81F0EE #81BBF0 #8183F0
triadic
#81BBF0 #F081BB #BBF081
tetradic
#81BBF0 #EE81F0 #F0B681 #83F081
square
#81BBF0 #EE81F0 #F0B681 #83F081
split-complementary
#81BBF0 #F08183 #F0EE81
monochromatic
#1A80DC #4A9DE9 #81BBF0 #B8D9F7 #E4F0FC

Accessibility & contrast

On white

2.04
#81BBF0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.30
#81BBF0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BBF0
10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81BBF0#FFFFFF#000000##000000
##81BBF01.002.0410.3010.30
#FFFFFF2.041.0021.0021.00
#00000010.3021.001.001.00
##00000010.3021.001.001.00

Color blindness preview

Protanopia (red-blind)
#A5BCF2
Deuteranopia (green-blind)
#97B1EF
Tritanopia (blue-blind)
#51C7CD
Achromatopsia (no color)
#B6B6B6

Design tokens & code

CSS
--color: #81bbf0;
/* rgb */ color: rgb(129, 187, 240);
/* oklch */ color: oklch(77.2% 0.097 247.0);
Tailwind
colors: {
  custom: {
    50: '#abcff5',
    500: '#81bbf0',
    950: '#000000',
  },
}
SCSS
$custom: #81bbf0;
$custom-light: #abcff5;
$custom-dark: #000000;
JSON
{
  "hex": "#81bbf0",
  "rgb": {
    "r": 129,
    "g": 187,
    "b": 240
  },
  "hsl": {
    "h": 208.649,
    "s": 78.723,
    "l": 72.353
  },
  "oklch": {
    "l": 0.77235,
    "c": 0.0973,
    "h": 247
  },
  "luminance": 0.46499
}

Semantic roles & 50–950 ramp

primary
#81BBF0
secondary
#F4E5D7
accent
#6E0ADB
background
#FAFCFE
surface
#F4F9FD
border
#CED2D5
text
#101317
muted
#7F8285

Preview Lab

Preview with #81BBF0

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

Preview Lab → · Contrast checker → · Palette generator →

#81BBF0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva