#81D5EE#81D5EE

#81D5EE is a very light, moderate cyan. Relative luminance 0.584; OKLCH L 82.8% C 0.089 H 219.0°. Best body text is #000000 at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#81D5EE
RGB	rgb(129, 213, 238)
HSL	hsl(194, 76%, 72%)
HSV	hsv(194, 46%, 93%)
CMYK	cmyk(45.8%, 10.5%, 0%, 6.7%)
CIE-LAB	lab(80.97, -19.06, -20.23)
CIE-LCH	lch(80.97, 27.79, 226.69°)
OKLab	oklab(82.85% -0.069 -0.0558)
OKLCH	oklch(82.85% 0.089 219)
XYZ	xyz(48.2744, 58.4250, 89.6056)
Luminance	0.5843 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D5EE #EE9A81

analogous

#81EED0 #81D5EE #819FEE

triadic

#81D5EE #EE81D5 #D5EE81

tetradic

#81D5EE #D081EE #EE9A81 #9FEE81

square

#81D5EE #D081EE #EE9A81 #9FEE81

split-complementary

#81D5EE #EE819F #EED081

monochromatic

#1DADD8 #4BC3E7 #81D5EE #B7E7F5 #E4F6FB

Accessibility & contrast

On white

1.66

#81D5EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.69

#81D5EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D5EE

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D5EE	#FFFFFF	#000000	##000000
##81D5EE	1.00	1.66	12.69	12.69
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.69	21.00	1.00	1.00
##000000	12.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5D0EF

Deuteranopia (green-blind)

#B4C4EE

Tritanopia (blue-blind)

#4CDEDD

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #81d5ee;
/* rgb */ color: rgb(129, 213, 238);
/* oklch */ color: oklch(82.8% 0.089 219.0);

Tailwind

colors: {
  custom: {
    50: '#abe2f3',
    500: '#81d5ee',
    950: '#000000',
  },
}

SCSS

$custom: #81d5ee;
$custom-light: #abe2f3;
$custom-dark: #000000;

JSON

{
  "hex": "#81d5ee",
  "rgb": {
    "r": 129,
    "g": 213,
    "b": 238
  },
  "hsl": {
    "h": 193.761,
    "s": 76.224,
    "l": 71.961
  },
  "oklch": {
    "l": 0.82848,
    "c": 0.08873,
    "h": 219
  },
  "luminance": 0.58429
}

Semantic roles & 50–950 ramp

primary

#81D5EE

secondary

#C8684B

accent

#3C0DD8

background

#FDFEFF

surface

#F7FCFE

border

#D0D5D6

text

#111517

muted

#818485

Preview Lab

Preview with #81D5EE

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

Preview Lab → · Contrast checker → · Palette generator →