#819BF9#819BF9

#819BF9 is a light, vivid blue. Relative luminance 0.349; OKLCH L 71.0% C 0.141 H 270.8°. Best body text is #000000 at 7.99:1 contrast (WCAG AA passes).

Color values

HEX#819BF9
RGBrgb(129, 155, 249)
HSLhsl(227, 91%, 74%)
HSVhsv(227, 48%, 98%)
CMYKcmyk(48.2%, 37.8%, 0%, 2.4%)
CIE-LABlab(65.71, 15.73, -49.80)
CIE-LCHlch(65.71, 52.23, 287.53°)
OKLaboklab(71% 0.0019 -0.1406)
OKLCHoklch(71% 0.141 270.8)
XYZxyz(37.8680, 34.9470, 94.3542)
Luminance0.3495 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#819BF9 #F9DF81
analogous
#81D7F9 #819BF9 #A381F9
triadic
#819BF9 #F9819B #9BF981
tetradic
#819BF9 #F981D7 #F9DF81 #81F9A3
square
#819BF9 #F981D7 #F9DF81 #81F9A3
split-complementary
#819BF9 #F9A381 #D7F981
monochromatic
#0C3EF3 #476DF6 #819BF9 #BBC9FC #E2E8FE

Accessibility & contrast

On white

2.63
#819BF9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.99
#819BF9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #819BF9
7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##819BF9#FFFFFF#000000##000000
##819BF91.002.637.997.99
#FFFFFF2.631.0021.0021.00
#0000007.9921.001.001.00
##0000007.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#77A5FD
Deuteranopia (green-blind)
#6B9BF7
Tritanopia (blue-blind)
#50AFBE
Achromatopsia (no color)
#A0A0A0

Design tokens & code

CSS
--color: #819bf9;
/* rgb */ color: rgb(129, 155, 249);
/* oklch */ color: oklch(71.0% 0.141 270.8);
Tailwind
colors: {
  custom: {
    50: '#abb8fb',
    500: '#819bf9',
    950: '#000000',
  },
}
SCSS
$custom: #819bf9;
$custom-light: #abb8fb;
$custom-dark: #000000;
JSON
{
  "hex": "#819bf9",
  "rgb": {
    "r": 129,
    "g": 155,
    "b": 249
  },
  "hsl": {
    "h": 227,
    "s": 90.909,
    "l": 74.118
  },
  "oklch": {
    "l": 0.71002,
    "c": 0.14066,
    "h": 270.8
  },
  "luminance": 0.34949
}

Semantic roles & 50–950 ramp

primary
#819BF9
secondary
#F6EFD5
accent
#B400E6
background
#FAFBFF
surface
#F5F6FF
border
#CFD0D7
text
#111117
muted
#808085

Preview Lab

Preview with #819BF9

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

Preview Lab → · Contrast checker → · Palette generator →

#819BF9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva