#81BCDA#81BCDA

#81BCDA is a light, moderate cyan. Relative luminance 0.457; OKLCH L 76.6% C 0.075 H 231.1°. Best body text is #000000 at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#81BCDA
RGB	rgb(129, 188, 218)
HSL	hsl(200, 55%, 68%)
HSV	hsv(200, 41%, 85%)
CMYK	cmyk(40.8%, 13.8%, 0%, 14.5%)
CIE-LAB	lab(73.35, -11.40, -21.04)
CIE-LCH	lch(73.35, 23.93, 241.55°)
OKLab	oklab(76.56% -0.0468 -0.058)
OKLCH	oklch(76.56% 0.075 231.1)
XYZ	xyz(39.6870, 45.6930, 73.0444)
Luminance	0.4570 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81BCDA #DA9F81

analogous

#81DACB #81BCDA #818FDA

triadic

#81BCDA #DA81BC #BCDA81

tetradic

#81BCDA #CB81DA #DA9F81 #8FDA81

square

#81BCDA #CB81DA #DA9F81 #8FDA81

split-complementary

#81BCDA #DA818F #DACB81

monochromatic

#3384AE #52A3CC #81BCDA #B0D5E8 #E0EEF6

Accessibility & contrast

On white

2.07

#81BCDA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.14

#81BCDA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81BCDA

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81BCDA	#FFFFFF	#000000	##000000
##81BCDA	1.00	2.07	10.14	10.14
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.14	21.00	1.00	1.00
##000000	10.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADBADC

Deuteranopia (green-blind)

#A0B0DA

Tritanopia (blue-blind)

#5EC4C6

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #81bcda;
/* rgb */ color: rgb(129, 188, 218);
/* oklch */ color: oklch(76.6% 0.075 231.1);

Tailwind

colors: {
  custom: {
    50: '#a9d0e5',
    500: '#81bcda',
    950: '#000000',
  },
}

SCSS

$custom: #81bcda;
$custom-light: #a9d0e5;
$custom-dark: #000000;

JSON

{
  "hex": "#81bcda",
  "rgb": {
    "r": 129,
    "g": 188,
    "b": 218
  },
  "hsl": {
    "h": 200.225,
    "s": 54.601,
    "l": 68.039
  },
  "oklch": {
    "l": 0.7656,
    "c": 0.07456,
    "h": 231.1
  },
  "luminance": 0.45696
}

Semantic roles & 50–950 ramp

primary

#81BCDA

secondary

#E9D7CE

accent

#5923C2

background

#FAFCFE

surface

#F4F9FC

border

#CED2D5

text

#101415

muted

#7F8284

Preview Lab

Preview with #81BCDA

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

Preview Lab → · Contrast checker → · Palette generator →