#81BEE5#81BEE5

#81BEE5 is a light, moderate cyan. Relative luminance 0.472; OKLCH L 77.4% C 0.084 H 237.4°. Best body text is #000000 at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#81BEE5
RGB	rgb(129, 190, 229)
HSL	hsl(203, 66%, 70%)
HSV	hsv(203, 44%, 90%)
CMYK	cmyk(43.7%, 17%, 0%, 10.2%)
CIE-LAB	lab(74.28, -9.52, -25.57)
CIE-LCH	lch(74.28, 27.29, 249.58°)
OKLab	oklab(77.43% -0.0453 -0.0708)
OKLCH	oklch(77.43% 0.084 237.4)
XYZ	xyz(41.6047, 47.1484, 81.0218)
Luminance	0.4715 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BEE5 #E5A881

analogous

#81E5DA #81BEE5 #818CE5

triadic

#81BEE5 #E581BE #BEE581

tetradic

#81BEE5 #DA81E5 #E5A881 #8CE581

square

#81BEE5 #DA81E5 #E5A881 #8CE581

split-complementary

#81BEE5 #E5818C #E5DA81

monochromatic

#2887C3 #4EA4DB #81BEE5 #B4D8EF #E6F2FA

Accessibility & contrast

On white

2.01

#81BEE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.43

#81BEE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BEE5

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BEE5	#FFFFFF	#000000	##000000
##81BEE5	1.00	2.01	10.43	10.43
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.43	21.00	1.00	1.00
##000000	10.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACBDE7

Deuteranopia (green-blind)

#9FB2E4

Tritanopia (blue-blind)

#57C8CB

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #81bee5;
/* rgb */ color: rgb(129, 190, 229);
/* oklch */ color: oklch(77.4% 0.084 237.4);

Tailwind

colors: {
  custom: {
    50: '#aad1ed',
    500: '#81bee5',
    950: '#000000',
  },
}

SCSS

$custom: #81bee5;
$custom-light: #aad1ed;
$custom-dark: #000000;

JSON

{
  "hex": "#81bee5",
  "rgb": {
    "r": 129,
    "g": 190,
    "b": 229
  },
  "hsl": {
    "h": 203.4,
    "s": 65.789,
    "l": 70.196
  },
  "oklch": {
    "l": 0.7743,
    "c": 0.08407,
    "h": 237.4
  },
  "luminance": 0.47151
}

Semantic roles & 50–950 ramp

primary

#81BEE5

secondary

#EFDED3

accent

#5F18CE

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#101416

muted

#7F8284

Preview Lab

Preview with #81BEE5

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

Preview Lab → · Contrast checker → · Palette generator →