#81BCDD#81BCDD

#81BCDD is a light, moderate cyan. Relative luminance 0.459; OKLCH L 76.7% C 0.077 H 233.6°. Best body text is #000000 at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#81BCDD
RGB	rgb(129, 188, 221)
HSL	hsl(202, 58%, 69%)
HSV	hsv(202, 42%, 87%)
CMYK	cmyk(41.6%, 14.9%, 0%, 13.3%)
CIE-LAB	lab(73.45, -10.60, -22.51)
CIE-LCH	lch(73.45, 24.88, 244.78°)
OKLab	oklab(76.68% -0.0457 -0.0622)
OKLCH	oklch(76.68% 0.077 233.6)
XYZ	xyz(40.0831, 45.8514, 75.1307)
Luminance	0.4585 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BCDD #DDA281

analogous

#81DDD0 #81BCDD #818EDD

triadic

#81BCDD #DD81BC #BCDD81

tetradic

#81BCDD #D081DD #DDA281 #8EDD81

square

#81BCDD #D081DD #DDA281 #8EDD81

split-complementary

#81BCDD #DD818E #DDD081

monochromatic

#3084B3 #51A2D0 #81BCDD #B1D6EA #E1EFF7

Accessibility & contrast

On white

2.06

#81BCDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.17

#81BCDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BCDD

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BCDD	#FFFFFF	#000000	##000000
##81BCDD	1.00	2.06	10.17	10.17
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.17	21.00	1.00	1.00
##000000	10.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACBADF

Deuteranopia (green-blind)

#9FB0DD

Tritanopia (blue-blind)

#5CC5C7

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #81bcdd;
/* rgb */ color: rgb(129, 188, 221);
/* oklch */ color: oklch(76.7% 0.077 233.6);

Tailwind

colors: {
  custom: {
    50: '#a9d0e7',
    500: '#81bcdd',
    950: '#000000',
  },
}

SCSS

$custom: #81bcdd;
$custom-light: #a9d0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#81bcdd",
  "rgb": {
    "r": 129,
    "g": 188,
    "b": 221
  },
  "hsl": {
    "h": 201.522,
    "s": 57.5,
    "l": 68.627
  },
  "oklch": {
    "l": 0.76676,
    "c": 0.07718,
    "h": 233.6
  },
  "luminance": 0.45854
}

Semantic roles & 50–950 ramp

primary

#81BCDD

secondary

#EBD9CF

accent

#5B20C5

background

#FAFCFE

surface

#F4F9FC

border

#CED2D5

text

#101416

muted

#7F8284

Preview Lab

Preview with #81BCDD

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

Preview Lab → · Contrast checker → · Palette generator →