#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
RGB	rgb(129, 209, 251)
HSL	hsl(201, 94%, 75%)
HSV	hsv(201, 49%, 98%)
CMYK	cmyk(48.6%, 16.7%, 0%, 1.6%)
CIE-LAB	lab(80.31, -13.50, -28.16)
CIE-LCH	lch(80.31, 31.23, 244.39°)
OKLab	oklab(82.46% -0.0597 -0.0781)
OKLCH	oklch(82.46% 0.098 232.6)
XYZ	xyz(49.2600, 57.2292, 99.6986)
Luminance	0.5723 (WCAG relative)
Temperature	cool
Family	cyan

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
##81D1FB	1.00	1.69	12.45	12.45
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.45	21.00	1.00	1.00
##000000	12.45	21.00	1.00	1.00

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 →