#818CF3#818CF3

#818CF3 is a light, vivid blue. Relative luminance 0.299; OKLCH L 67.7% C 0.151 H 277.0°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#818CF3
RGB	rgb(129, 140, 243)
HSL	hsl(234, 83%, 73%)
HSV	hsv(234, 47%, 95%)
CMYK	cmyk(46.9%, 42.4%, 0%, 4.7%)
CIE-LAB	lab(61.56, 22.71, -53.08)
CIE-LCH	lch(61.56, 57.73, 293.16°)
OKLab	oklab(67.72% 0.0183 -0.1503)
OKLCH	oklch(67.72% 0.151 277)
XYZ	xyz(34.6040, 29.8925, 88.7231)
Luminance	0.2989 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818CF3 #F3E881

analogous

#81C5F3 #818CF3 #AF81F3

triadic

#818CF3 #F3818C #8CF381

tetradic

#818CF3 #F381C5 #F3E881 #81F3AF

square

#818CF3 #F381C5 #F3E881 #81F3AF

split-complementary

#818CF3 #F3AF81 #C5F381

monochromatic

#162AE4 #4959EE #818CF3 #B9BFF8 #E3E5FC

Accessibility & contrast

On white

3.01

#818CF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#818CF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818CF3

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818CF3	#FFFFFF	#000000	##000000
##818CF3	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6399F7

Deuteranopia (green-blind)

#5A90F1

Tritanopia (blue-blind)

#57A2B4

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #818cf3;
/* rgb */ color: rgb(129, 140, 243);
/* oklch */ color: oklch(67.7% 0.151 277.0);

Tailwind

colors: {
  custom: {
    50: '#abadf7',
    500: '#818cf3',
    950: '#000000',
  },
}

SCSS

$custom: #818cf3;
$custom-light: #abadf7;
$custom-dark: #000000;

JSON

{
  "hex": "#818cf3",
  "rgb": {
    "r": 129,
    "g": 140,
    "b": 243
  },
  "hsl": {
    "h": 234.211,
    "s": 82.609,
    "l": 72.941
  },
  "oklch": {
    "l": 0.67724,
    "c": 0.15142,
    "h": 277
  },
  "luminance": 0.29894
}

Semantic roles & 50–950 ramp

primary

#818CF3

secondary

#F4F1D7

accent

#CA06DF

background

#FAFAFF

surface

#F5F4FF

border

#CFCED7

text

#111017

muted

#807F85

Preview Lab

Preview with #818CF3

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

Preview Lab → · Contrast checker → · Palette generator →