#81D5FD#81D5FD

#81D5FD is a very light, moderate cyan. Relative luminance 0.593; OKLCH L 83.4% C 0.099 H 230.1°. Best body text is #000000 at 12.87:1 contrast (WCAG AA passes).

Color values

HEX#81D5FD
RGBrgb(129, 213, 253)
HSLhsl(199, 97%, 75%)
HSVhsv(199, 49%, 99%)
CMYKcmyk(49%, 15.8%, 0%, 0.8%)
CIE-LABlab(81.48, -15.02, -27.43)
CIE-LCHlch(81.48, 31.27, 241.31°)
OKLaboklab(83.42% -0.0635 -0.0761)
OKLCHoklch(83.42% 0.099 230.1)
XYZxyz(50.5706, 59.3434, 101.6990)
Luminance0.5935 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81D5FD #FDA981
analogous
#81FDE7 #81D5FD #8197FD
triadic
#81D5FD #FD81D5 #D5FD81
tetradic
#81D5FD #E781FD #FDA981 #97FD81
square
#81D5FD #E781FD #FDA981 #97FD81
split-complementary
#81D5FD #FD8197 #FDE781
monochromatic
#09ADFB #45C1FC #81D5FD #BDE9FE #E1F5FF

Accessibility & contrast

On white

1.63
#81D5FD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.87
#81D5FD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D5FD
12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81D5FD#FFFFFF#000000##000000
##81D5FD1.001.6312.8712.87
#FFFFFF1.631.0021.0021.00
#00000012.8721.001.001.00
##00000012.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#C1D2FF
Deuteranopia (green-blind)
#AFC5FC
Tritanopia (blue-blind)
#3FE0E2
Achromatopsia (no color)
#CACACA

Design tokens & code

CSS
--color: #81d5fd;
/* rgb */ color: rgb(129, 213, 253);
/* oklch */ color: oklch(83.4% 0.099 230.1);
Tailwind
colors: {
  custom: {
    50: '#ace2fe',
    500: '#81d5fd',
    950: '#000000',
  },
}
SCSS
$custom: #81d5fd;
$custom-light: #ace2fe;
$custom-dark: #000000;
JSON
{
  "hex": "#81d5fd",
  "rgb": {
    "r": 129,
    "g": 213,
    "b": 253
  },
  "hsl": {
    "h": 199.355,
    "s": 96.875,
    "l": 74.902
  },
  "oklch": {
    "l": 0.83418,
    "c": 0.09911,
    "h": 230.1
  },
  "luminance": 0.59347
}

Semantic roles & 50–950 ramp

primary
#81D5FD
secondary
#DC7747
accent
#4A00E6
background
#FDFEFF
surface
#F8FCFF
border
#D1D5D7
text
#111517
muted
#818485

Preview Lab

Preview with #81D5FD

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

Preview Lab → · Contrast checker → · Palette generator →

#81D5FD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva