#81D3FB#81D3FB

#81D3FB is a very light, moderate cyan. Relative luminance 0.582; OKLCH L 82.9% C 0.098 H 230.7°. Best body text is #000000 at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#81D3FB
RGB	rgb(129, 211, 251)
HSL	hsl(200, 94%, 75%)
HSV	hsv(200, 49%, 98%)
CMYK	cmyk(48.6%, 15.9%, 0%, 1.6%)
CIE-LAB	lab(80.86, -14.53, -27.32)
CIE-LCH	lch(80.86, 30.94, 241.99°)
OKLab	oklab(82.9% -0.062 -0.0758)
OKLCH	oklch(82.9% 0.098 230.7)
XYZ	xyz(49.7538, 58.2168, 99.8632)
Luminance	0.5822 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D3FB #FBA981

analogous

#81FBE6 #81D3FB #8196FB

triadic

#81D3FB #FB81D3 #D3FB81

tetradic

#81D3FB #E681FB #FBA981 #96FB81

square

#81D3FB #E681FB #FBA981 #96FB81

split-complementary

#81D3FB #FB8196 #FBE681

monochromatic

#0AAAF7 #46BEF9 #81D3FB #BCE8FD #E1F5FE

Accessibility & contrast

On white

1.66

#81D3FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.64

#81D3FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D3FB

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D3FB	#FFFFFF	#000000	##000000
##81D3FB	1.00	1.66	12.64	12.64
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.64	21.00	1.00	1.00
##000000	12.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFD0FD

Deuteranopia (green-blind)

#AEC3FA

Tritanopia (blue-blind)

#41DEE0

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #81d3fb;
/* rgb */ color: rgb(129, 211, 251);
/* oklch */ color: oklch(82.9% 0.098 230.7);

Tailwind

colors: {
  custom: {
    50: '#ace0fc',
    500: '#81d3fb',
    950: '#000000',
  },
}

SCSS

$custom: #81d3fb;
$custom-light: #ace0fc;
$custom-dark: #000000;

JSON

{
  "hex": "#81d3fb",
  "rgb": {
    "r": 129,
    "g": 211,
    "b": 251
  },
  "hsl": {
    "h": 199.672,
    "s": 93.846,
    "l": 74.51
  },
  "oklch": {
    "l": 0.82901,
    "c": 0.09788,
    "h": 230.7
  },
  "luminance": 0.58221
}

Semantic roles & 50–950 ramp

primary

#81D3FB

secondary

#D97747

accent

#4B00E6

background

#FDFEFF

surface

#F8FCFF

border

#D1D5D7

text

#111517

muted

#818485

Preview Lab

Preview with #81D3FB

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

Preview Lab → · Contrast checker → · Palette generator →