#819EF9#819EF9

#819EF9 is a light, vivid blue. Relative luminance 0.360; OKLCH L 71.6% C 0.137 H 269.3°. Best body text is #000000 at 8.19:1 contrast (WCAG AA passes).

Color values

HEX#819EF9
RGBrgb(129, 158, 249)
HSLhsl(226, 91%, 74%)
HSVhsv(226, 48%, 98%)
CMYKcmyk(48.2%, 36.5%, 0%, 2.4%)
CIE-LABlab(66.49, 13.99, -48.57)
CIE-LCHlch(66.49, 50.55, 286.07°)
OKLaboklab(71.6% -0.0016 -0.137)
OKLCHoklch(71.6% 0.137 269.3)
XYZxyz(38.3735, 35.9580, 94.5227)
Luminance0.3596 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#819EF9 #F9DC81
analogous
#81DAF9 #819EF9 #A081F9
triadic
#819EF9 #F9819E #9EF981
tetradic
#819EF9 #F981DA #F9DC81 #81F9A0
square
#819EF9 #F981DA #F9DC81 #81F9A0
split-complementary
#819EF9 #F9A081 #DAF981
monochromatic
#0C44F3 #4771F6 #819EF9 #BBCBFC #E2E9FE

Accessibility & contrast

On white

2.56
#819EF9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.19
#819EF9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #819EF9
8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##819EF9#FFFFFF#000000##000000
##819EF91.002.568.198.19
#FFFFFF2.561.0021.0021.00
#0000008.1921.001.001.00
##0000008.1921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7BA7FD
Deuteranopia (green-blind)
#6F9DF7
Tritanopia (blue-blind)
#50B1C0
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #819ef9;
/* rgb */ color: rgb(129, 158, 249);
/* oklch */ color: oklch(71.6% 0.137 269.3);
Tailwind
colors: {
  custom: {
    50: '#abbafb',
    500: '#819ef9',
    950: '#000000',
  },
}
SCSS
$custom: #819ef9;
$custom-light: #abbafb;
$custom-dark: #000000;
JSON
{
  "hex": "#819ef9",
  "rgb": {
    "r": 129,
    "g": 158,
    "b": 249
  },
  "hsl": {
    "h": 225.5,
    "s": 90.909,
    "l": 74.118
  },
  "oklch": {
    "l": 0.71603,
    "c": 0.13705,
    "h": 269.3
  },
  "luminance": 0.3596
}

Semantic roles & 50–950 ramp

primary
#819EF9
secondary
#F6EED5
accent
#AE00E6
background
#FAFBFF
surface
#F5F6FF
border
#CFD0D7
text
#111117
muted
#808085

Preview Lab

Preview with #819EF9

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

Preview Lab → · Contrast checker → · Palette generator →

#819EF9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva