#81BBDB#81BBDB

#81BBDB is a light, moderate cyan. Relative luminance 0.453; OKLCH L 76.4% C 0.076 H 233.2°. Best body text is #000000 at 10.06:1 contrast (WCAG AA passes).

Color values

HEX#81BBDB
RGBrgb(129, 187, 219)
HSLhsl(201, 56%, 68%)
HSVhsv(201, 41%, 86%)
CMYKcmyk(41.1%, 14.6%, 0%, 14.1%)
CIE-LABlab(73.10, -10.60, -21.95)
CIE-LCHlch(73.10, 24.38, 244.22°)
OKLaboklab(76.38% -0.0453 -0.0606)
OKLCHoklch(76.38% 0.076 233.2)
XYZxyz(39.6054, 45.3197, 73.6647)
Luminance0.4532 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81BBDB #DBA181
analogous
#81DBCE #81BBDB #818EDB
triadic
#81BBDB #DB81BB #BBDB81
tetradic
#81BBDB #CE81DB #DBA181 #8EDB81
square
#81BBDB #CE81DB #DBA181 #8EDB81
split-complementary
#81BBDB #DB818E #DBCE81
monochromatic
#3283AF #51A1CD #81BBDB #B1D5E9 #E0EEF6

Accessibility & contrast

On white

2.09
#81BBDB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.06
#81BBDB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BBDB
10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81BBDB#FFFFFF#000000##000000
##81BBDB1.002.0910.0610.06
#FFFFFF2.091.0021.0021.00
#00000010.0621.001.001.00
##00000010.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#ACB9DD
Deuteranopia (green-blind)
#9FAFDB
Tritanopia (blue-blind)
#5EC4C5
Achromatopsia (no color)
#B3B3B3

Design tokens & code

CSS
--color: #81bbdb;
/* rgb */ color: rgb(129, 187, 219);
/* oklch */ color: oklch(76.4% 0.076 233.2);
Tailwind
colors: {
  custom: {
    50: '#a9cfe6',
    500: '#81bbdb',
    950: '#000000',
  },
}
SCSS
$custom: #81bbdb;
$custom-light: #a9cfe6;
$custom-dark: #000000;
JSON
{
  "hex": "#81bbdb",
  "rgb": {
    "r": 129,
    "g": 187,
    "b": 219
  },
  "hsl": {
    "h": 201.333,
    "s": 55.556,
    "l": 68.235
  },
  "oklch": {
    "l": 0.76378,
    "c": 0.07562,
    "h": 233.2
  },
  "luminance": 0.45322
}

Semantic roles & 50–950 ramp

primary
#81BBDB
secondary
#EAD8CE
accent
#5C22C3
background
#FAFCFE
surface
#F4F9FC
border
#CED2D5
text
#101316
muted
#7F8284

Preview Lab

Preview with #81BBDB

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

Preview Lab → · Contrast checker → · Palette generator →

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