#81AAF9#81AAF9

#81AAF9 is a light, vivid blue. Relative luminance 0.403; OKLCH L 74.1% C 0.123 H 262.8°. Best body text is #000000 at 9.05:1 contrast (WCAG AA passes).

Color values

HEX#81AAF9
RGBrgb(129, 170, 249)
HSLhsl(220, 91%, 74%)
HSVhsv(220, 48%, 98%)
CMYKcmyk(48.2%, 31.7%, 0%, 2.4%)
CIE-LABlab(69.65, 7.14, -43.60)
CIE-LCHlch(69.65, 44.18, 279.29°)
OKLaboklab(74.05% -0.0155 -0.1225)
OKLCHoklch(74.05% 0.124 262.8)
XYZxyz(40.5212, 40.2534, 95.2386)
Luminance0.4026 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#81AAF9 #F9D081
analogous
#81E6F9 #81AAF9 #9481F9
triadic
#81AAF9 #F981AA #AAF981
tetradic
#81AAF9 #F981E6 #F9D081 #81F994
square
#81AAF9 #F981E6 #F9D081 #81F994
split-complementary
#81AAF9 #F99481 #E6F981
monochromatic
#0C5BF3 #4783F6 #81AAF9 #BBD1FC #E2EBFE

Accessibility & contrast

On white

2.32
#81AAF9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.05
#81AAF9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81AAF9
9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##81AAF9#FFFFFF#000000##000000
##81AAF91.002.329.059.05
#FFFFFF2.321.0021.0021.00
#0000009.0521.001.001.00
##0000009.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8CB0FC
Deuteranopia (green-blind)
#7FA5F7
Tritanopia (blue-blind)
#4EBBC6
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #81aaf9;
/* rgb */ color: rgb(129, 170, 249);
/* oklch */ color: oklch(74.1% 0.123 262.8);
Tailwind
colors: {
  custom: {
    50: '#abc3fb',
    500: '#81aaf9',
    950: '#000000',
  },
}
SCSS
$custom: #81aaf9;
$custom-light: #abc3fb;
$custom-dark: #000000;
JSON
{
  "hex": "#81aaf9",
  "rgb": {
    "r": 129,
    "g": 170,
    "b": 249
  },
  "hsl": {
    "h": 219.5,
    "s": 90.909,
    "l": 74.118
  },
  "oklch": {
    "l": 0.74054,
    "c": 0.1235,
    "h": 262.8
  },
  "luminance": 0.40256
}

Semantic roles & 50–950 ramp

primary
#81AAF9
secondary
#F6EBD5
accent
#9700E6
background
#FAFBFF
surface
#F5F7FF
border
#CFD0D7
text
#111217
muted
#808185

Preview Lab

Preview with #81AAF9

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

Preview Lab → · Contrast checker → · Palette generator →

#81AAF9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva