#81BBCC#81BBCC

#81BBCC is a light, moderate cyan. Relative luminance 0.446; OKLCH L 75.8% C 0.065 H 218.1°. Best body text is #000000 at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#81BBCC
RGB	rgb(129, 187, 204)
HSL	hsl(194, 42%, 65%)
HSV	hsv(194, 37%, 80%)
CMYK	cmyk(36.8%, 8.3%, 0%, 20%)
CIE-LAB	lab(72.60, -14.48, -14.53)
CIE-LCH	lch(72.60, 20.52, 225.09°)
OKLab	oklab(75.82% -0.0509 -0.0399)
OKLCH	oklch(75.82% 0.065 218.1)
XYZ	xyz(37.7189, 44.5651, 63.7294)
Luminance	0.4457 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BBCC #CC9281

analogous

#81CCB7 #81BBCC #8195CC

triadic

#81BBCC #CC81BB #BBCC81

tetradic

#81BBCC #B781CC #CC9281 #95CC81

square

#81BBCC #B781CC #CC9281 #95CC81

split-complementary

#81BBCC #CC8195 #CCB781

monochromatic

#3D8296 #55A3BA #81BBCC #ADD3DE #D8EAEF

Accessibility & contrast

On white

2.12

#81BBCC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.91

#81BBCC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BBCC

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BBCC	#FFFFFF	#000000	##000000
##81BBCC	1.00	2.12	9.91	9.91
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.91	21.00	1.00	1.00
##000000	9.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0B7CD

Deuteranopia (green-blind)

#A4AECC

Tritanopia (blue-blind)

#65C1C0

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #81bbcc;
/* rgb */ color: rgb(129, 187, 204);
/* oklch */ color: oklch(75.8% 0.065 218.1);

Tailwind

colors: {
  custom: {
    50: '#a8cfdb',
    500: '#81bbcc',
    950: '#000000',
  },
}

SCSS

$custom: #81bbcc;
$custom-light: #a8cfdb;
$custom-dark: #000000;

JSON

{
  "hex": "#81bbcc",
  "rgb": {
    "r": 129,
    "g": 187,
    "b": 204
  },
  "hsl": {
    "h": 193.6,
    "s": 42.373,
    "l": 65.294
  },
  "oklch": {
    "l": 0.75818,
    "c": 0.06464,
    "h": 218.1
  },
  "luminance": 0.44567
}

Semantic roles & 50–950 ramp

primary

#81BBCC

secondary

#E1CDC8

accent

#4E30B5

background

#FAFCFD

surface

#F4F9FB

border

#CED2D4

text

#101315

muted

#7F8283

Preview Lab

Preview with #81BBCC

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

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