#81E3FD#81E3FD

#81E3FD is a very light, moderate cyan. Relative luminance 0.667; OKLCH L 86.5% C 0.099 H 217.0°. Best body text is #000000 at 14.34:1 contrast (WCAG AA passes).

Color values

HEX#81E3FD
RGBrgb(129, 227, 253)
HSLhsl(193, 97%, 75%)
HSVhsv(193, 49%, 99%)
CMYKcmyk(49%, 10.3%, 0%, 0.8%)
CIE-LABlab(85.35, -22.11, -21.54)
CIE-LCHlch(85.35, 30.87, 224.26°)
OKLaboklab(86.5% -0.0791 -0.0595)
OKLCHoklch(86.5% 0.099 217)
XYZxyz(54.2452, 66.6926, 102.9238)
Luminance0.6670 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81E3FD #FD9B81
analogous
#81FDD9 #81E3FD #81A5FD
triadic
#81E3FD #FD81E3 #E3FD81
tetradic
#81E3FD #D981FD #FD9B81 #A5FD81
square
#81E3FD #D981FD #FD9B81 #A5FD81
split-complementary
#81E3FD #FD81A5 #FDD981
monochromatic
#09C8FB #45D6FC #81E3FD #BDF0FE #E1F8FF

Accessibility & contrast

On white

1.46
#81E3FD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

14.34
#81E3FD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81E3FD
14.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81E3FD#FFFFFF#000000##000000
##81E3FD1.001.4614.3414.34
#FFFFFF1.461.0021.0021.00
#00000014.3421.001.001.00
##00000014.3421.001.001.00

Color blindness preview

Protanopia (red-blind)
#D1DDFE
Deuteranopia (green-blind)
#BECFFD
Tritanopia (blue-blind)
#39ECEB
Achromatopsia (no color)
#D5D5D5

Design tokens & code

CSS
--color: #81e3fd;
/* rgb */ color: rgb(129, 227, 253);
/* oklch */ color: oklch(86.5% 0.099 217.0);
Tailwind
colors: {
  custom: {
    50: '#adecfe',
    500: '#81e3fd',
    950: '#000000',
  },
}
SCSS
$custom: #81e3fd;
$custom-light: #adecfe;
$custom-dark: #000000;
JSON
{
  "hex": "#81e3fd",
  "rgb": {
    "r": 129,
    "g": 227,
    "b": 253
  },
  "hsl": {
    "h": 192.581,
    "s": 96.875,
    "l": 74.902
  },
  "oklch": {
    "l": 0.86501,
    "c": 0.09899,
    "h": 217
  },
  "luminance": 0.66697
}

Semantic roles & 50–950 ramp

primary
#81E3FD
secondary
#DC6647
accent
#3000E6
background
#FDFEFF
surface
#F8FDFF
border
#D1D5D7
text
#111617
muted
#818485

Preview Lab

Preview with #81E3FD

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

Preview Lab → · Contrast checker → · Palette generator →

#81E3FD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva