#81BEEF#81BEEF

#81BEEF is a light, moderate cyan. Relative luminance 0.477; OKLCH L 77.8% C 0.094 H 243.6°. Best body text is #000000 at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#81BEEF
RGB	rgb(129, 190, 239)
HSL	hsl(207, 77%, 72%)
HSV	hsv(207, 46%, 94%)
CMYK	cmyk(46%, 20.5%, 0%, 6.3%)
CIE-LAB	lab(74.65, -6.77, -30.42)
CIE-LCH	lch(74.65, 31.16, 257.45°)
OKLab	oklab(77.84% -0.0419 -0.0846)
OKLCH	oklch(77.84% 0.094 243.6)
XYZ	xyz(43.0413, 47.7230, 88.5880)
Luminance	0.4773 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BEEF #EFB281

analogous

#81EFE9 #81BEEF #8187EF

triadic

#81BEEF #EF81BE #BEEF81

tetradic

#81BEEF #E981EF #EFB281 #87EF81

square

#81BEEF #E981EF #EFB281 #87EF81

split-complementary

#81BEEF #EF8187 #EFE981

monochromatic

#1C85DA #4BA2E8 #81BEEF #B7DAF6 #E4F1FC

Accessibility & contrast

On white

1.99

#81BEEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.55

#81BEEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BEEF

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BEEF	#FFFFFF	#000000	##000000
##81BEEF	1.00	1.99	10.55	10.55
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.55	21.00	1.00	1.00
##000000	10.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9BEF1

Deuteranopia (green-blind)

#9BB3EE

Tritanopia (blue-blind)

#51CACE

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #81beef;
/* rgb */ color: rgb(129, 190, 239);
/* oklch */ color: oklch(77.8% 0.094 243.6);

Tailwind

colors: {
  custom: {
    50: '#abd1f4',
    500: '#81beef',
    950: '#000000',
  },
}

SCSS

$custom: #81beef;
$custom-light: #abd1f4;
$custom-dark: #000000;

JSON

{
  "hex": "#81beef",
  "rgb": {
    "r": 129,
    "g": 190,
    "b": 239
  },
  "hsl": {
    "h": 206.727,
    "s": 77.465,
    "l": 72.157
  },
  "oklch": {
    "l": 0.7784,
    "c": 0.09438,
    "h": 243.6
  },
  "luminance": 0.47726
}

Semantic roles & 50–950 ramp

primary

#81BEEF

secondary

#F3E4D8

accent

#680CDA

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#101417

muted

#7F8285

Preview Lab

Preview with #81BEEF

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

Preview Lab → · Contrast checker → · Palette generator →