#81BDF0#81BDF0

#81BDF0 is a light, moderate cyan. Relative luminance 0.474; OKLCH L 77.7% C 0.096 H 245.1°. Best body text is #000000 at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#81BDF0
RGB	rgb(129, 189, 240)
HSL	hsl(208, 79%, 72%)
HSV	hsv(208, 46%, 94%)
CMYK	cmyk(46.3%, 21.2%, 0%, 5.9%)
CIE-LAB	lab(74.41, -5.95, -31.32)
CIE-LCH	lch(74.41, 31.88, 259.24°)
OKLab	oklab(77.67% -0.0404 -0.0871)
OKLCH	oklch(77.67% 0.096 245.1)
XYZ	xyz(42.9736, 47.3506, 89.2963)
Luminance	0.4735 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BDF0 #F0B481

analogous

#81F0EC #81BDF0 #8185F0

triadic

#81BDF0 #F081BD #BDF081

tetradic

#81BDF0 #EC81F0 #F0B481 #85F081

square

#81BDF0 #EC81F0 #F0B481 #85F081

split-complementary

#81BDF0 #F08185 #F0EC81

monochromatic

#1A83DC #4AA0E9 #81BDF0 #B8DAF7 #E4F1FC

Accessibility & contrast

On white

2.01

#81BDF0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.47

#81BDF0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BDF0

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BDF0	#FFFFFF	#000000	##000000
##81BDF0	1.00	2.01	10.47	10.47
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.47	21.00	1.00	1.00
##000000	10.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8BDF2

Deuteranopia (green-blind)

#99B2EF

Tritanopia (blue-blind)

#50C9CE

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #81bdf0;
/* rgb */ color: rgb(129, 189, 240);
/* oklch */ color: oklch(77.7% 0.096 245.1);

Tailwind

colors: {
  custom: {
    50: '#abd0f5',
    500: '#81bdf0',
    950: '#000000',
  },
}

SCSS

$custom: #81bdf0;
$custom-light: #abd0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#81bdf0",
  "rgb": {
    "r": 129,
    "g": 189,
    "b": 240
  },
  "hsl": {
    "h": 207.568,
    "s": 78.723,
    "l": 72.353
  },
  "oklch": {
    "l": 0.77666,
    "c": 0.09605,
    "h": 245.1
  },
  "luminance": 0.47354
}

Semantic roles & 50–950 ramp

primary

#81BDF0

secondary

#F4E4D7

accent

#6A0ADB

background

#FAFCFE

surface

#F4F9FD

border

#CED2D5

text

#101417

muted

#7F8285

Preview Lab

Preview with #81BDF0

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

Preview Lab → · Contrast checker → · Palette generator →