#81BCDF#81BCDF

#81BCDF is a light, moderate cyan. Relative luminance 0.460; OKLCH L 76.8% C 0.079 H 235.2°. Best body text is #000000 at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#81BCDF
RGB	rgb(129, 188, 223)
HSL	hsl(202, 59%, 69%)
HSV	hsv(202, 42%, 87%)
CMYK	cmyk(42.2%, 15.7%, 0%, 12.5%)
CIE-LAB	lab(73.52, -10.07, -23.49)
CIE-LCH	lch(73.52, 25.56, 246.80°)
OKLab	oklab(76.75% -0.045 -0.0649)
OKLCH	oklch(76.75% 0.079 235.2)
XYZ	xyz(40.3512, 45.9586, 76.5424)
Luminance	0.4596 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BCDF #DFA481

analogous

#81DFD3 #81BCDF #818DDF

triadic

#81BCDF #DF81BC #BCDF81

tetradic

#81BCDF #D381DF #DFA481 #8DDF81

square

#81BCDF #D381DF #DFA481 #8DDF81

split-complementary

#81BCDF #DF818D #DFD381

monochromatic

#2F84B7 #50A2D3 #81BCDF #B2D6EB #E3F0F8

Accessibility & contrast

On white

2.06

#81BCDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.19

#81BCDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BCDF

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BCDF	#FFFFFF	#000000	##000000
##81BCDF	1.00	2.06	10.19	10.19
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.19	21.00	1.00	1.00
##000000	10.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACBAE1

Deuteranopia (green-blind)

#9FB0DE

Tritanopia (blue-blind)

#5BC5C7

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #81bcdf;
/* rgb */ color: rgb(129, 188, 223);
/* oklch */ color: oklch(76.8% 0.079 235.2);

Tailwind

colors: {
  custom: {
    50: '#a9d0e9',
    500: '#81bcdf',
    950: '#000000',
  },
}

SCSS

$custom: #81bcdf;
$custom-light: #a9d0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#81bcdf",
  "rgb": {
    "r": 129,
    "g": 188,
    "b": 223
  },
  "hsl": {
    "h": 202.34,
    "s": 59.494,
    "l": 69.02
  },
  "oklch": {
    "l": 0.76754,
    "c": 0.07901,
    "h": 235.2
  },
  "luminance": 0.45961
}

Semantic roles & 50–950 ramp

primary

#81BCDF

secondary

#ECDAD0

accent

#5D1EC7

background

#FAFCFE

surface

#F4F9FC

border

#CED2D5

text

#101416

muted

#7F8284

Preview Lab

Preview with #81BCDF

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

Preview Lab → · Contrast checker → · Palette generator →