#81BEE9#81BEE9

#81BEE9 is a light, moderate cyan. Relative luminance 0.474; OKLCH L 77.6% C 0.088 H 240.1°. Best body text is #000000 at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#81BEE9
RGB	rgb(129, 190, 233)
HSL	hsl(205, 70%, 71%)
HSV	hsv(205, 45%, 91%)
CMYK	cmyk(44.6%, 18.5%, 0%, 8.6%)
CIE-LAB	lab(74.43, -8.43, -27.52)
CIE-LCH	lch(74.43, 28.78, 252.97°)
OKLab	oklab(77.59% -0.0439 -0.0763)
OKLCH	oklch(77.59% 0.088 240.1)
XYZ	xyz(42.1696, 47.3743, 83.9970)
Luminance	0.4738 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BEE9 #E9AC81

analogous

#81E9E0 #81BEE9 #818AE9

triadic

#81BEE9 #E981BE #BEE981

tetradic

#81BEE9 #E081E9 #E9AC81 #8AE981

square

#81BEE9 #E081E9 #E9AC81 #8AE981

split-complementary

#81BEE9 #E9818A #E9E081

monochromatic

#2486CC #4DA3E0 #81BEE9 #B5D9F2 #E5F2FA

Accessibility & contrast

On white

2.00

#81BEE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.48

#81BEE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BEE9

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BEE9	#FFFFFF	#000000	##000000
##81BEE9	1.00	2.00	10.48	10.48
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.48	21.00	1.00	1.00
##000000	10.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABBDEB

Deuteranopia (green-blind)

#9DB2E8

Tritanopia (blue-blind)

#55C9CC

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #81bee9;
/* rgb */ color: rgb(129, 190, 233);
/* oklch */ color: oklch(77.6% 0.088 240.1);

Tailwind

colors: {
  custom: {
    50: '#aad1f0',
    500: '#81bee9',
    950: '#000000',
  },
}

SCSS

$custom: #81bee9;
$custom-light: #aad1f0;
$custom-dark: #000000;

JSON

{
  "hex": "#81bee9",
  "rgb": {
    "r": 129,
    "g": 190,
    "b": 233
  },
  "hsl": {
    "h": 204.808,
    "s": 70.27,
    "l": 70.98
  },
  "oklch": {
    "l": 0.77592,
    "c": 0.08806,
    "h": 240.1
  },
  "luminance": 0.47377
}

Semantic roles & 50–950 ramp

primary

#81BEE9

secondary

#F1E1D5

accent

#6213D2

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#101416

muted

#7F8284

Preview Lab

Preview with #81BEE9

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

Preview Lab → · Contrast checker → · Palette generator →