#81ACEB#81ACEB

#81ACEB is a light, moderate blue. Relative luminance 0.402; OKLCH L 73.8% C 0.103 H 257.8°. Best body text is #000000 at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#81ACEB
RGB	rgb(129, 172, 235)
HSL	hsl(216, 73%, 71%)
HSV	hsv(216, 45%, 92%)
CMYK	cmyk(45.1%, 26.8%, 0%, 7.8%)
CIE-LAB	lab(69.59, 1.98, -36.07)
CIE-LCH	lch(69.59, 36.13, 273.14°)
OKLab	oklab(73.81% -0.0218 -0.1008)
OKLCH	oklch(73.81% 0.103 257.8)
XYZ	xyz(38.7962, 40.1679, 84.2900)
Luminance	0.4017 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81ACEB #EBC081

analogous

#81E1EB #81ACEB #8B81EB

triadic

#81ACEB #EB81AC #ACEB81

tetradic

#81ACEB #EB81E1 #EBC081 #81EB8B

square

#81ACEB #EB81E1 #EBC081 #81EB8B

split-complementary

#81ACEB #EB8B81 #E1EB81

monochromatic

#2168D1 #4C89E3 #81ACEB #B6CFF3 #E5EEFB

Accessibility & contrast

On white

2.32

#81ACEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.03

#81ACEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81ACEB

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81ACEB	#FFFFFF	#000000	##000000
##81ACEB	1.00	2.32	9.03	9.03
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.03	21.00	1.00	1.00
##000000	9.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94B0EE

Deuteranopia (green-blind)

#88A5EA

Tritanopia (blue-blind)

#57BAC2

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #81aceb;
/* rgb */ color: rgb(129, 172, 235);
/* oklch */ color: oklch(73.8% 0.103 257.8);

Tailwind

colors: {
  custom: {
    50: '#aac4f1',
    500: '#81aceb',
    950: '#000000',
  },
}

SCSS

$custom: #81aceb;
$custom-light: #aac4f1;
$custom-dark: #000000;

JSON

{
  "hex": "#81aceb",
  "rgb": {
    "r": 129,
    "g": 172,
    "b": 235
  },
  "hsl": {
    "h": 215.66,
    "s": 72.603,
    "l": 71.373
  },
  "oklch": {
    "l": 0.7381,
    "c": 0.1031,
    "h": 257.8
  },
  "luminance": 0.4017
}

Semantic roles & 50–950 ramp

primary

#81ACEB

secondary

#F2E6D6

accent

#8511D5

background

#FAFCFE

surface

#F4F8FD

border

#CED1D5

text

#101217

muted

#7F8185

Preview Lab

Preview with #81ACEB

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

Preview Lab → · Contrast checker → · Palette generator →