#81ACDB#81ACDB

#81ACDB is a light, moderate cyan. Relative luminance 0.393; OKLCH L 73.1% C 0.083 H 251.2°. Best body text is #000000 at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#81ACDB
RGB	rgb(129, 172, 219)
HSL	hsl(211, 56%, 68%)
HSV	hsv(211, 41%, 86%)
CMYK	cmyk(41.1%, 21.5%, 0%, 14.1%)
CIE-LAB	lab(68.96, -2.47, -28.30)
CIE-LCH	lch(68.96, 28.40, 265.01°)
OKLab	oklab(73.11% -0.0267 -0.0785)
OKLCH	oklch(73.11% 0.083 251.2)
XYZ	xyz(36.5878, 39.2845, 72.6588)
Luminance	0.3929 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81ACDB #DBB081

analogous

#81D9DB #81ACDB #8381DB

triadic

#81ACDB #DB81AC #ACDB81

tetradic

#81ACDB #DB81D9 #DBB081 #81DB83

square

#81ACDB #DB81D9 #DBB081 #81DB83

split-complementary

#81ACDB #DB8381 #D9DB81

monochromatic

#326EAF #518DCD #81ACDB #B1CBE9 #E0EBF6

Accessibility & contrast

On white

2.37

#81ACDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.86

#81ACDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81ACDB

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81ACDB	#FFFFFF	#000000	##000000
##81ACDB	1.00	2.37	8.86	8.86
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.86	21.00	1.00	1.00
##000000	8.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AADDD

Deuteranopia (green-blind)

#8FA4DA

Tritanopia (blue-blind)

#60B7BC

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #81acdb;
/* rgb */ color: rgb(129, 172, 219);
/* oklch */ color: oklch(73.1% 0.083 251.2);

Tailwind

colors: {
  custom: {
    50: '#a9c4e6',
    500: '#81acdb',
    950: '#000000',
  },
}

SCSS

$custom: #81acdb;
$custom-light: #a9c4e6;
$custom-dark: #000000;

JSON

{
  "hex": "#81acdb",
  "rgb": {
    "r": 129,
    "g": 172,
    "b": 219
  },
  "hsl": {
    "h": 211.333,
    "s": 55.556,
    "l": 68.235
  },
  "oklch": {
    "l": 0.73106,
    "c": 0.08294,
    "h": 251.2
  },
  "luminance": 0.39287
}

Semantic roles & 50–950 ramp

primary

#81ACDB

secondary

#EADDCE

accent

#7622C3

background

#FAFCFE

surface

#F4F8FC

border

#CED1D5

text

#101216

muted

#7F8184

Preview Lab

Preview with #81ACDB

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

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