#81BBDF#81BBDF

#81BBDF is a light, moderate cyan. Relative luminance 0.455; OKLCH L 76.5% C 0.079 H 236.5°. Best body text is #000000 at 10.11:1 contrast (WCAG AA passes).

Color values

HEX	#81BBDF
RGB	rgb(129, 187, 223)
HSL	hsl(203, 59%, 69%)
HSV	hsv(203, 42%, 87%)
CMYK	cmyk(42.2%, 16.1%, 0%, 12.5%)
CIE-LAB	lab(73.24, -9.54, -23.91)
CIE-LCH	lch(73.24, 25.74, 248.26°)
OKLab	oklab(76.53% -0.0438 -0.0661)
OKLCH	oklch(76.53% 0.079 236.5)
XYZ	xyz(40.1383, 45.5329, 76.4714)
Luminance	0.4553 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BBDF #DFA581

analogous

#81DFD4 #81BBDF #818CDF

triadic

#81BBDF #DF81BB #BBDF81

tetradic

#81BBDF #D481DF #DFA581 #8CDF81

square

#81BBDF #D481DF #DFA581 #8CDF81

split-complementary

#81BBDF #DF818C #DFD481

monochromatic

#2F83B7 #50A1D3 #81BBDF #B2D5EB #E3F0F8

Accessibility & contrast

On white

2.08

#81BBDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.11

#81BBDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BBDF

10.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BBDF	#FFFFFF	#000000	##000000
##81BBDF	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)

#ABBAE1

Deuteranopia (green-blind)

#9EAFDE

Tritanopia (blue-blind)

#5BC4C7

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #81bbdf;
/* rgb */ color: rgb(129, 187, 223);
/* oklch */ color: oklch(76.5% 0.079 236.5);

Tailwind

colors: {
  custom: {
    50: '#a9cfe9',
    500: '#81bbdf',
    950: '#000000',
  },
}

SCSS

$custom: #81bbdf;
$custom-light: #a9cfe9;
$custom-dark: #000000;

JSON

{
  "hex": "#81bbdf",
  "rgb": {
    "r": 129,
    "g": 187,
    "b": 223
  },
  "hsl": {
    "h": 202.979,
    "s": 59.494,
    "l": 69.02
  },
  "oklch": {
    "l": 0.76534,
    "c": 0.07931,
    "h": 236.5
  },
  "luminance": 0.45535
}

Semantic roles & 50–950 ramp

primary

#81BBDF

secondary

#ECDBD0

accent

#5F1EC7

background

#FAFCFE

surface

#F4F9FC

border

#CED2D5

text

#101316

muted

#7F8284

Preview Lab

Preview with #81BBDF

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

Preview Lab → · Contrast checker → · Palette generator →