#81BDCF#81BDCF

#81BDCF is a light, moderate cyan. Relative luminance 0.456; OKLCH L 76.4% C 0.067 H 218.6°. Best body text is #000000 at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#81BDCF
RGB	rgb(129, 189, 207)
HSL	hsl(194, 45%, 66%)
HSV	hsv(194, 38%, 81%)
CMYK	cmyk(37.7%, 8.7%, 0%, 18.8%)
CIE-LAB	lab(73.26, -14.77, -15.18)
CIE-LCH	lch(73.26, 21.18, 225.78°)
OKLab	oklab(76.37% -0.0522 -0.0417)
OKLCH	oklch(76.37% 0.067 218.6)
XYZ	xyz(38.5095, 45.5649, 65.7851)
Luminance	0.4557 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BDCF #CF9381

analogous

#81CFBA #81BDCF #8196CF

triadic

#81BDCF #CF81BD #BDCF81

tetradic

#81BDCF #BA81CF #CF9381 #96CF81

square

#81BDCF #BA81CF #CF9381 #96CF81

split-complementary

#81BDCF #CF8196 #CFBA81

monochromatic

#3B859B #55A6BE #81BDCF #ADD4E0 #DAEBF1

Accessibility & contrast

On white

2.08

#81BDCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.11

#81BDCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BDCF

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BDCF	#FFFFFF	#000000	##000000
##81BDCF	1.00	2.08	10.11	10.11
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.11	21.00	1.00	1.00
##000000	10.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1B9D0

Deuteranopia (green-blind)

#A5B0CF

Tritanopia (blue-blind)

#63C3C2

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #81bdcf;
/* rgb */ color: rgb(129, 189, 207);
/* oklch */ color: oklch(76.4% 0.067 218.6);

Tailwind

colors: {
  custom: {
    50: '#a8d1dd',
    500: '#81bdcf',
    950: '#000000',
  },
}

SCSS

$custom: #81bdcf;
$custom-light: #a8d1dd;
$custom-dark: #000000;

JSON

{
  "hex": "#81bdcf",
  "rgb": {
    "r": 129,
    "g": 189,
    "b": 207
  },
  "hsl": {
    "h": 193.846,
    "s": 44.828,
    "l": 65.882
  },
  "oklch": {
    "l": 0.76373,
    "c": 0.06679,
    "h": 218.6
  },
  "luminance": 0.45567
}

Semantic roles & 50–950 ramp

primary

#81BDCF

secondary

#E3CFC9

accent

#4D2EB8

background

#FAFCFD

surface

#F4F9FB

border

#CED2D4

text

#101415

muted

#7F8283

Preview Lab

Preview with #81BDCF

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

Preview Lab → · Contrast checker → · Palette generator →