#81B5EA#81B5EA

#81B5EA is a light, moderate cyan. Relative luminance 0.437; OKLCH L 75.7% C 0.094 H 249.6°. Best body text is #000000 at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#81B5EA
RGB	rgb(129, 181, 234)
HSL	hsl(210, 71%, 71%)
HSV	hsv(210, 45%, 92%)
CMYK	cmyk(44.9%, 22.6%, 0%, 8.2%)
CIE-LAB	lab(72.00, -3.28, -31.80)
CIE-LCH	lch(72.00, 31.97, 264.11°)
OKLab	oklab(75.69% -0.0329 -0.0885)
OKLCH	oklch(75.69% 0.094 249.6)
XYZ	xyz(40.4234, 43.6527, 84.1217)
Luminance	0.4365 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B5EA #EAB681

analogous

#81E9EA #81B5EA #8181EA

triadic

#81B5EA #EA81B5 #B5EA81

tetradic

#81B5EA #EA81E9 #EAB681 #81EA81

square

#81B5EA #EA81E9 #EAB681 #81EA81

split-complementary

#81B5EA #EA8181 #E9EA81

monochromatic

#2277CE #4D96E1 #81B5EA #B5D4F3 #E5F0FB

Accessibility & contrast

On white

2.16

#81B5EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.73

#81B5EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B5EA

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B5EA	#FFFFFF	#000000	##000000
##81B5EA	1.00	2.16	9.73	9.73
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.73	21.00	1.00	1.00
##000000	9.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B6EC

Deuteranopia (green-blind)

#93ACE9

Tritanopia (blue-blind)

#56C1C7

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #81b5ea;
/* rgb */ color: rgb(129, 181, 234);
/* oklch */ color: oklch(75.7% 0.094 249.6);

Tailwind

colors: {
  custom: {
    50: '#aacbf1',
    500: '#81b5ea',
    950: '#000000',
  },
}

SCSS

$custom: #81b5ea;
$custom-light: #aacbf1;
$custom-dark: #000000;

JSON

{
  "hex": "#81b5ea",
  "rgb": {
    "r": 129,
    "g": 181,
    "b": 234
  },
  "hsl": {
    "h": 210.286,
    "s": 71.429,
    "l": 71.176
  },
  "oklch": {
    "l": 0.75686,
    "c": 0.09443,
    "h": 249.6
  },
  "luminance": 0.43655
}

Semantic roles & 50–950 ramp

primary

#81B5EA

secondary

#F1E4D6

accent

#7412D3

background

#FAFCFE

surface

#F4F8FD

border

#CED1D5

text

#101316

muted

#7F8284

Preview Lab

Preview with #81B5EA

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

Preview Lab → · Contrast checker → · Palette generator →