#81B3FA#81B3FA

#81B3FA is a light, moderate blue. Relative luminance 0.438; OKLCH L 76.0% C 0.116 H 257.2°. Best body text is #000000 at 9.76:1 contrast (WCAG AA passes).

Color values

HEX	#81B3FA
RGB	rgb(129, 179, 250)
HSL	hsl(215, 92%, 74%)
HSV	hsv(215, 48%, 98%)
CMYK	cmyk(48.4%, 28.4%, 0%, 2%)
CIE-LAB	lab(72.10, 2.38, -40.31)
CIE-LCH	lch(72.10, 40.38, 273.37°)
OKLab	oklab(75.98% -0.0257 -0.113)
OKLCH	oklch(75.98% 0.116 257.2)
XYZ	xyz(42.4229, 43.8065, 96.6440)
Luminance	0.4381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81B3FA #FAC881

analogous

#81EFFA #81B3FA #8C81FA

triadic

#81B3FA #FA81B3 #B3FA81

tetradic

#81B3FA #FA81EF #FAC881 #81FA8C

square

#81B3FA #FA81EF #FAC881 #81FA8C

split-complementary

#81B3FA #FA8C81 #EFFA81

monochromatic

#0B6CF5 #468FF8 #81B3FA #BCD7FC #E2EDFE

Accessibility & contrast

On white

2.15

#81B3FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.76

#81B3FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81B3FA

9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81B3FA	#FFFFFF	#000000	##000000
##81B3FA	1.00	2.15	9.76	9.76
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.76	21.00	1.00	1.00
##000000	9.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98B7FD

Deuteranopia (green-blind)

#89ACF8

Tritanopia (blue-blind)

#4BC3CC

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #81b3fa;
/* rgb */ color: rgb(129, 179, 250);
/* oklch */ color: oklch(76.0% 0.116 257.2);

Tailwind

colors: {
  custom: {
    50: '#abc9fc',
    500: '#81b3fa',
    950: '#000000',
  },
}

SCSS

$custom: #81b3fa;
$custom-light: #abc9fc;
$custom-dark: #000000;

JSON

{
  "hex": "#81b3fa",
  "rgb": {
    "r": 129,
    "g": 179,
    "b": 250
  },
  "hsl": {
    "h": 215.207,
    "s": 92.366,
    "l": 74.314
  },
  "oklch": {
    "l": 0.7598,
    "c": 0.11586,
    "h": 257.2
  },
  "luminance": 0.43809
}

Semantic roles & 50–950 ramp

primary

#81B3FA

secondary

#F6E8D5

accent

#8700E6

background

#FAFCFF

surface

#F5F8FF

border

#CFD1D7

text

#111317

muted

#808285

Preview Lab

Preview with #81B3FA

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

Preview Lab → · Contrast checker → · Palette generator →