#81D1FB#81D1FB

#81D1FB is a very light, moderate cyan. Relative luminance 0.572; OKLCH L 82.5% C 0.098 H 232.6°. Best body text is #000000 at 12.45:1 contrast (WCAG AA passes).

Color values

HEX#81D1FB
RGBrgb(129, 209, 251)
HSLhsl(201, 94%, 75%)
HSVhsv(201, 49%, 98%)
CMYKcmyk(48.6%, 16.7%, 0%, 1.6%)
CIE-LABlab(80.31, -13.50, -28.16)
CIE-LCHlch(80.31, 31.23, 244.39°)
OKLaboklab(82.46% -0.0597 -0.0781)
OKLCHoklch(82.46% 0.098 232.6)
XYZxyz(49.2600, 57.2292, 99.6986)
Luminance0.5723 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81D1FB #FBAB81
analogous
#81FBE8 #81D1FB #8194FB
triadic
#81D1FB #FB81D1 #D1FB81
tetradic
#81D1FB #E881FB #FBAB81 #94FB81
square
#81D1FB #E881FB #FBAB81 #94FB81
split-complementary
#81D1FB #FB8194 #FBE881
monochromatic
#0AA6F7 #46BBF9 #81D1FB #BCE7FD #E1F4FE

Accessibility & contrast

On white

1.69
#81D1FB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.45
#81D1FB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D1FB
12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81D1FB#FFFFFF#000000##000000
##81D1FB1.001.6912.4512.45
#FFFFFF1.691.0021.0021.00
#00000012.4521.001.001.00
##00000012.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#BDCFFD
Deuteranopia (green-blind)
#ABC1FA
Tritanopia (blue-blind)
#42DCDF
Achromatopsia (no color)
#C7C7C7

Design tokens & code

CSS
--color: #81d1fb;
/* rgb */ color: rgb(129, 209, 251);
/* oklch */ color: oklch(82.5% 0.098 232.6);
Tailwind
colors: {
  custom: {
    50: '#acdffc',
    500: '#81d1fb',
    950: '#000000',
  },
}
SCSS
$custom: #81d1fb;
$custom-light: #acdffc;
$custom-dark: #000000;
JSON
{
  "hex": "#81d1fb",
  "rgb": {
    "r": 129,
    "g": 209,
    "b": 251
  },
  "hsl": {
    "h": 200.656,
    "s": 93.846,
    "l": 74.51
  },
  "oklch": {
    "l": 0.82464,
    "c": 0.09835,
    "h": 232.6
  },
  "luminance": 0.57233
}

Semantic roles & 50–950 ramp

primary
#81D1FB
secondary
#D97947
accent
#4F00E6
background
#FDFEFF
surface
#F8FCFF
border
#D1D5D7
text
#111517
muted
#818485

Preview Lab

Preview with #81D1FB

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

Preview Lab → · Contrast checker → · Palette generator →

#81D1FB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva