#81B5CE#81B5CE

#81B5CE is a light, moderate cyan. Relative luminance 0.422; OKLCH L 74.6% C 0.065 H 229.4°. Best body text is #000000 at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#81B5CE
RGB	rgb(129, 181, 206)
HSL	hsl(199, 44%, 66%)
HSV	hsv(199, 37%, 81%)
CMYK	cmyk(37.4%, 12.1%, 0%, 19.2%)
CIE-LAB	lab(70.99, -10.81, -18.07)
CIE-LCH	lch(70.99, 21.05, 239.11°)
OKLab	oklab(74.56% -0.0426 -0.0497)
OKLCH	oklch(74.56% 0.065 229.4)
XYZ	xyz(36.7140, 42.1690, 64.5854)
Luminance	0.4217 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B5CE #CE9A81

analogous

#81CEC1 #81B5CE #818ECE

triadic

#81B5CE #CE81B5 #B5CE81

tetradic

#81B5CE #C181CE #CE9A81 #8ECE81

square

#81B5CE #C181CE #CE9A81 #8ECE81

split-complementary

#81B5CE #CE818E #CEC181

monochromatic

#3C7B99 #559BBD #81B5CE #ADCFDF #D9E9F0

Accessibility & contrast

On white

2.23

#81B5CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.43

#81B5CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B5CE

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B5CE	#FFFFFF	#000000	##000000
##81B5CE	1.00	2.23	9.43	9.43
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.43	21.00	1.00	1.00
##000000	9.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B3CF

Deuteranopia (green-blind)

#9DAACE

Tritanopia (blue-blind)

#65BCBD

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #81b5ce;
/* rgb */ color: rgb(129, 181, 206);
/* oklch */ color: oklch(74.6% 0.065 229.4);

Tailwind

colors: {
  custom: {
    50: '#a8cbdd',
    500: '#81b5ce',
    950: '#000000',
  },
}

SCSS

$custom: #81b5ce;
$custom-light: #a8cbdd;
$custom-dark: #000000;

JSON

{
  "hex": "#81b5ce",
  "rgb": {
    "r": 129,
    "g": 181,
    "b": 206
  },
  "hsl": {
    "h": 199.481,
    "s": 44,
    "l": 65.686
  },
  "oklch": {
    "l": 0.74556,
    "c": 0.06544,
    "h": 229.4
  },
  "luminance": 0.42171
}

Semantic roles & 50–950 ramp

primary

#81B5CE

secondary

#E2D1C9

accent

#5B2EB7

background

#FAFCFD

surface

#F4F8FB

border

#CED1D4

text

#101315

muted

#7F8283

Preview Lab

Preview with #81B5CE

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

Preview Lab → · Contrast checker → · Palette generator →