#81DCFB#81DCFB

#81DCFB is a very light, moderate cyan. Relative luminance 0.628; OKLCH L 84.9% C 0.097 H 222.1°. Best body text is #000000 at 13.56:1 contrast (WCAG AA passes).

Color values

HEX#81DCFB
RGBrgb(129, 220, 251)
HSLhsl(195, 94%, 75%)
HSVhsv(195, 49%, 98%)
CMYKcmyk(48.6%, 12.4%, 0%, 1.6%)
CIE-LABlab(83.34, -19.13, -23.53)
CIE-LCHlch(83.34, 30.33, 230.88°)
OKLaboklab(84.88% -0.0721 -0.0651)
OKLCHoklch(84.88% 0.097 222.1)
XYZxyz(52.0525, 62.8143, 100.6295)
Luminance0.6282 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81DCFB #FBA081
analogous
#81FBDD #81DCFB #819FFB
triadic
#81DCFB #FB81DC #DCFB81
tetradic
#81DCFB #DD81FB #FBA081 #9FFB81
square
#81DCFB #DD81FB #FBA081 #9FFB81
split-complementary
#81DCFB #FB819F #FBDD81
monochromatic
#0ABBF7 #46CCF9 #81DCFB #BCECFD #E1F7FE

Accessibility & contrast

On white

1.55
#81DCFB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

13.56
#81DCFB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81DCFB
13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81DCFB#FFFFFF#000000##000000
##81DCFB1.001.5513.5613.56
#FFFFFF1.551.0021.0021.00
#00000013.5621.001.001.00
##00000013.5621.001.001.00

Color blindness preview

Protanopia (red-blind)
#CAD8FD
Deuteranopia (green-blind)
#B8CAFB
Tritanopia (blue-blind)
#3EE6E6
Achromatopsia (no color)
#D0D0D0

Design tokens & code

CSS
--color: #81dcfb;
/* rgb */ color: rgb(129, 220, 251);
/* oklch */ color: oklch(84.9% 0.097 222.1);
Tailwind
colors: {
  custom: {
    50: '#ace7fc',
    500: '#81dcfb',
    950: '#000000',
  },
}
SCSS
$custom: #81dcfb;
$custom-light: #ace7fc;
$custom-dark: #000000;
JSON
{
  "hex": "#81dcfb",
  "rgb": {
    "r": 129,
    "g": 220,
    "b": 251
  },
  "hsl": {
    "h": 195.246,
    "s": 93.846,
    "l": 74.51
  },
  "oklch": {
    "l": 0.84879,
    "c": 0.0971,
    "h": 222.1
  },
  "luminance": 0.62819
}

Semantic roles & 50–950 ramp

primary
#81DCFB
secondary
#D96C47
accent
#3A00E6
background
#FDFEFF
surface
#F8FCFF
border
#D1D5D7
text
#111617
muted
#818485

Preview Lab

Preview with #81DCFB

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

Preview Lab → · Contrast checker → · Palette generator →

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