#81BBDD#81BBDD

#81BBDD is a light, moderate cyan. Relative luminance 0.454; OKLCH L 76.5% C 0.077 H 234.9°. Best body text is #000000 at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#81BBDD
RGB	rgb(129, 187, 221)
HSL	hsl(202, 58%, 69%)
HSV	hsv(202, 42%, 87%)
CMYK	cmyk(41.6%, 15.4%, 0%, 13.3%)
CIE-LAB	lab(73.17, -10.07, -22.93)
CIE-LCH	lch(73.17, 25.05, 246.29°)
OKLab	oklab(76.46% -0.0445 -0.0633)
OKLCH	oklch(76.46% 0.077 234.9)
XYZ	xyz(39.8703, 45.4257, 75.0597)
Luminance	0.4543 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BBDD #DDA381

analogous

#81DDD1 #81BBDD #818DDD

triadic

#81BBDD #DD81BB #BBDD81

tetradic

#81BBDD #D181DD #DDA381 #8DDD81

square

#81BBDD #D181DD #DDA381 #8DDD81

split-complementary

#81BBDD #DD818D #DDD181

monochromatic

#3083B3 #51A1D0 #81BBDD #B1D5EA #E1EFF7

Accessibility & contrast

On white

2.08

#81BBDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.09

#81BBDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BBDD

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BBDD	#FFFFFF	#000000	##000000
##81BBDD	1.00	2.08	10.09	10.09
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.09	21.00	1.00	1.00
##000000	10.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB9DF

Deuteranopia (green-blind)

#9EAFDC

Tritanopia (blue-blind)

#5CC4C6

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #81bbdd;
/* rgb */ color: rgb(129, 187, 221);
/* oklch */ color: oklch(76.5% 0.077 234.9);

Tailwind

colors: {
  custom: {
    50: '#a9cfe7',
    500: '#81bbdd',
    950: '#000000',
  },
}

SCSS

$custom: #81bbdd;
$custom-light: #a9cfe7;
$custom-dark: #000000;

JSON

{
  "hex": "#81bbdd",
  "rgb": {
    "r": 129,
    "g": 187,
    "b": 221
  },
  "hsl": {
    "h": 202.174,
    "s": 57.5,
    "l": 68.627
  },
  "oklch": {
    "l": 0.76456,
    "c": 0.07744,
    "h": 234.9
  },
  "luminance": 0.45428
}

Semantic roles & 50–950 ramp

primary

#81BBDD

secondary

#EBD9CF

accent

#5D20C5

background

#FAFCFE

surface

#F4F9FC

border

#CED2D5

text

#101316

muted

#7F8284

Preview Lab

Preview with #81BBDD

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

Preview Lab → · Contrast checker → · Palette generator →