#81D2E9#81D2E9

#81D2E9 is a light, moderate cyan. Relative luminance 0.566; OKLCH L 82.0% C 0.085 H 217.9°. Best body text is #000000 at 12.33:1 contrast (WCAG AA passes).

Color values

HEX	#81D2E9
RGB	rgb(129, 210, 233)
HSL	hsl(193, 70%, 71%)
HSV	hsv(193, 45%, 91%)
CMYK	cmyk(44.6%, 9.9%, 0%, 8.6%)
CIE-LAB	lab(79.98, -18.86, -19.07)
CIE-LCH	lch(79.98, 26.82, 225.31°)
OKLab	oklab(82% -0.0674 -0.0526)
OKLCH	oklch(82% 0.085 217.9)
XYZ	xyz(46.8024, 56.6400, 85.5413)
Luminance	0.5664 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81D2E9 #E99881

analogous

#81E9CC #81D2E9 #819EE9

triadic

#81D2E9 #E981D2 #D2E981

tetradic

#81D2E9 #CC81E9 #E99881 #9EE981

square

#81D2E9 #CC81E9 #E99881 #9EE981

split-complementary

#81D2E9 #E9819E #E9CC81

monochromatic

#24A7CC #4DBFE0 #81D2E9 #B5E5F2 #E5F6FA

Accessibility & contrast

On white

1.70

#81D2E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.33

#81D2E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81D2E9

12.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81D2E9	#FFFFFF	#000000	##000000
##81D2E9	1.00	1.70	12.33	12.33
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.33	21.00	1.00	1.00
##000000	12.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3CDEA

Deuteranopia (green-blind)

#B3C1E9

Tritanopia (blue-blind)

#50DAD9

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #81d2e9;
/* rgb */ color: rgb(129, 210, 233);
/* oklch */ color: oklch(82.0% 0.085 217.9);

Tailwind

colors: {
  custom: {
    50: '#abe0f0',
    500: '#81d2e9',
    950: '#000000',
  },
}

SCSS

$custom: #81d2e9;
$custom-light: #abe0f0;
$custom-dark: #000000;

JSON

{
  "hex": "#81d2e9",
  "rgb": {
    "r": 129,
    "g": 210,
    "b": 233
  },
  "hsl": {
    "h": 193.269,
    "s": 70.27,
    "l": 70.98
  },
  "oklch": {
    "l": 0.81998,
    "c": 0.08549,
    "h": 217.9
  },
  "luminance": 0.56644
}

Semantic roles & 50–950 ramp

primary

#81D2E9

secondary

#C2664C

accent

#3D13D2

background

#FDFEFF

surface

#F7FCFE

border

#D0D5D6

text

#101516

muted

#818485

Preview Lab

Preview with #81D2E9

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

Preview Lab → · Contrast checker → · Palette generator →