#81BBEF#81BBEF

#81BBEF is a light, moderate cyan. Relative luminance 0.464; OKLCH L 77.2% C 0.096 H 246.5°. Best body text is #000000 at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#81BBEF
RGB	rgb(129, 187, 239)
HSL	hsl(208, 77%, 72%)
HSV	hsv(208, 46%, 94%)
CMYK	cmyk(46%, 21.8%, 0%, 6.3%)
CIE-LAB	lab(73.83, -5.15, -31.68)
CIE-LCH	lch(73.83, 32.10, 260.76°)
OKLab	oklab(77.19% -0.0384 -0.0882)
OKLCH	oklch(77.19% 0.096 246.5)
XYZ	xyz(42.3982, 46.4368, 88.3737)
Luminance	0.4644 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BBEF #EFB581

analogous

#81EFEC #81BBEF #8184EF

triadic

#81BBEF #EF81BB #BBEF81

tetradic

#81BBEF #EC81EF #EFB581 #84EF81

square

#81BBEF #EC81EF #EFB581 #84EF81

split-complementary

#81BBEF #EF8184 #EFEC81

monochromatic

#1C80DA #4B9EE8 #81BBEF #B7D8F6 #E4F0FC

Accessibility & contrast

On white

2.04

#81BBEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.29

#81BBEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BBEF

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BBEF	#FFFFFF	#000000	##000000
##81BBEF	1.00	2.04	10.29	10.29
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.29	21.00	1.00	1.00
##000000	10.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6BCF1

Deuteranopia (green-blind)

#97B0EE

Tritanopia (blue-blind)

#51C7CC

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #81bbef;
/* rgb */ color: rgb(129, 187, 239);
/* oklch */ color: oklch(77.2% 0.096 246.5);

Tailwind

colors: {
  custom: {
    50: '#aacff4',
    500: '#81bbef',
    950: '#000000',
  },
}

SCSS

$custom: #81bbef;
$custom-light: #aacff4;
$custom-dark: #000000;

JSON

{
  "hex": "#81bbef",
  "rgb": {
    "r": 129,
    "g": 187,
    "b": 239
  },
  "hsl": {
    "h": 208.364,
    "s": 77.465,
    "l": 72.157
  },
  "oklch": {
    "l": 0.77192,
    "c": 0.09617,
    "h": 246.5
  },
  "luminance": 0.4644
}

Semantic roles & 50–950 ramp

primary

#81BBEF

secondary

#F3E5D8

accent

#6D0CDA

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#101317

muted

#7F8285

Preview Lab

Preview with #81BBEF

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

Preview Lab → · Contrast checker → · Palette generator →