#81B5CD#81B5CD

#81B5CD is a light, moderate cyan. Relative luminance 0.421; OKLCH L 74.5% C 0.065 H 228.3°. Best body text is #000000 at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#81B5CD
RGB	rgb(129, 181, 205)
HSL	hsl(199, 43%, 65%)
HSV	hsv(199, 37%, 80%)
CMYK	cmyk(37.1%, 11.7%, 0%, 19.6%)
CIE-LAB	lab(70.95, -11.06, -17.57)
CIE-LCH	lch(70.95, 20.76, 237.80°)
OKLab	oklab(74.52% -0.043 -0.0483)
OKLCH	oklch(74.52% 0.065 228.3)
XYZ	xyz(36.5929, 42.1205, 63.9477)
Luminance	0.4212 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B5CD #CD9981

analogous

#81CDBF #81B5CD #818FCD

triadic

#81B5CD #CD81B5 #B5CD81

tetradic

#81B5CD #BF81CD #CD9981 #8FCD81

square

#81B5CD #BF81CD #CD9981 #8FCD81

split-complementary

#81B5CD #CD818F #CDBF81

monochromatic

#3C7B97 #559BBC #81B5CD #ADCFDE #D9E8F0

Accessibility & contrast

On white

2.23

#81B5CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.42

#81B5CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B5CD

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B5CD	#FFFFFF	#000000	##000000
##81B5CD	1.00	2.23	9.42	9.42
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.42	21.00	1.00	1.00
##000000	9.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B3CE

Deuteranopia (green-blind)

#9DAACD

Tritanopia (blue-blind)

#65BCBD

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #81b5cd;
/* rgb */ color: rgb(129, 181, 205);
/* oklch */ color: oklch(74.5% 0.065 228.3);

Tailwind

colors: {
  custom: {
    50: '#a8cbdc',
    500: '#81b5cd',
    950: '#000000',
  },
}

SCSS

$custom: #81b5cd;
$custom-light: #a8cbdc;
$custom-dark: #000000;

JSON

{
  "hex": "#81b5cd",
  "rgb": {
    "r": 129,
    "g": 181,
    "b": 205
  },
  "hsl": {
    "h": 198.947,
    "s": 43.182,
    "l": 65.49
  },
  "oklch": {
    "l": 0.74518,
    "c": 0.06464,
    "h": 228.3
  },
  "luminance": 0.42123
}

Semantic roles & 50–950 ramp

primary

#81B5CD

secondary

#E2D0C8

accent

#5A2FB6

background

#FAFCFD

surface

#F4F8FB

border

#CED1D4

text

#101315

muted

#7F8283

Preview Lab

Preview with #81B5CD

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

Preview Lab → · Contrast checker → · Palette generator →