#81B3FC#81B3FC

#81B3FC is a light, moderate blue. Relative luminance 0.439; OKLCH L 76.1% C 0.118 H 257.7°. Best body text is #000000 at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#81B3FC
RGB	rgb(129, 179, 252)
HSL	hsl(216, 95%, 75%)
HSV	hsv(216, 49%, 99%)
CMYK	cmyk(48.8%, 29%, 0%, 1.2%)
CIE-LAB	lab(72.18, 2.96, -41.26)
CIE-LCH	lch(72.18, 41.37, 274.10°)
OKLab	oklab(76.07% -0.0251 -0.1157)
OKLCH	oklch(76.07% 0.118 257.7)
XYZ	xyz(42.7381, 43.9326, 98.3043)
Luminance	0.4394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B3FC #FCCA81

analogous

#81F0FC #81B3FC #8D81FC

triadic

#81B3FC #FC81B3 #B3FC81

tetradic

#81B3FC #FC81F0 #FCCA81 #81FC8D

square

#81B3FC #FC81F0 #FCCA81 #81FC8D

split-complementary

#81B3FC #FC8D81 #F0FC81

monochromatic

#096BF9 #458FFB #81B3FC #BDD7FD #E1EDFE

Accessibility & contrast

On white

2.15

#81B3FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.79

#81B3FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B3FC

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B3FC	#FFFFFF	#000000	##000000
##81B3FC	1.00	2.15	9.79	9.79
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.79	21.00	1.00	1.00
##000000	9.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97B7FF

Deuteranopia (green-blind)

#88ACFA

Tritanopia (blue-blind)

#49C3CD

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #81b3fc;
/* rgb */ color: rgb(129, 179, 252);
/* oklch */ color: oklch(76.1% 0.118 257.7);

Tailwind

colors: {
  custom: {
    50: '#acc9fd',
    500: '#81b3fc',
    950: '#000000',
  },
}

SCSS

$custom: #81b3fc;
$custom-light: #acc9fd;
$custom-dark: #000000;

JSON

{
  "hex": "#81b3fc",
  "rgb": {
    "r": 129,
    "g": 179,
    "b": 252
  },
  "hsl": {
    "h": 215.61,
    "s": 95.349,
    "l": 74.706
  },
  "oklch": {
    "l": 0.76073,
    "c": 0.11842,
    "h": 257.7
  },
  "luminance": 0.43936
}

Semantic roles & 50–950 ramp

primary

#81B3FC

secondary

#F7E9D4

accent

#8800E6

background

#FBFCFF

surface

#F6F8FF

border

#D0D1D7

text

#111317

muted

#808285

Preview Lab

Preview with #81B3FC

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

Preview Lab → · Contrast checker → · Palette generator →