#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
RGBrgb(129, 179, 250)
HSLhsl(215, 92%, 74%)
HSVhsv(215, 48%, 98%)
CMYKcmyk(48.4%, 28.4%, 0%, 2%)
CIE-LABlab(72.10, 2.38, -40.31)
CIE-LCHlch(72.10, 40.38, 273.37°)
OKLaboklab(75.98% -0.0257 -0.113)
OKLCHoklch(75.98% 0.116 257.2)
XYZxyz(42.4229, 43.8065, 96.6440)
Luminance0.4381 (WCAG relative)
Temperaturecool
Familyblue

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
##81B3FA1.002.159.769.76
#FFFFFF2.151.0021.0021.00
#0000009.7621.001.001.00
##0000009.7621.001.001.00

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 →

#81B3FA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva