#819EF3#819EF3

#819EF3 is a light, vivid blue. Relative luminance 0.356; OKLCH L 71.3% C 0.129 H 268.7°. Best body text is #000000 at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#819EF3
RGB	rgb(129, 158, 243)
HSL	hsl(225, 83%, 73%)
HSV	hsv(225, 47%, 95%)
CMYK	cmyk(46.9%, 35%, 0%, 4.7%)
CIE-LAB	lab(66.21, 12.23, -45.74)
CIE-LCH	lch(66.21, 47.34, 284.97°)
OKLab	oklab(71.29% -0.0029 -0.1288)
OKLCH	oklch(71.29% 0.129 268.7)
XYZ	xyz(37.4526, 35.5896, 89.6726)
Luminance	0.3559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#819EF3 #F3D681

analogous

#81D7F3 #819EF3 #9D81F3

triadic

#819EF3 #F3819E #9EF381

tetradic

#819EF3 #F381D7 #F3D681 #81F39D

square

#819EF3 #F381D7 #F3D681 #81F39D

split-complementary

#819EF3 #F39D81 #D7F381

monochromatic

#164AE4 #4973EE #819EF3 #B9C9F8 #E3E9FC

Accessibility & contrast

On white

2.59

#819EF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.12

#819EF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #819EF3

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##819EF3	#FFFFFF	#000000	##000000
##819EF3	1.00	2.59	8.12	8.12
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.12	21.00	1.00	1.00
##000000	8.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7EA6F6

Deuteranopia (green-blind)

#739CF1

Tritanopia (blue-blind)

#54B0BD

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #819ef3;
/* rgb */ color: rgb(129, 158, 243);
/* oklch */ color: oklch(71.3% 0.129 268.7);

Tailwind

colors: {
  custom: {
    50: '#abbaf7',
    500: '#819ef3',
    950: '#000000',
  },
}

SCSS

$custom: #819ef3;
$custom-light: #abbaf7;
$custom-dark: #000000;

JSON

{
  "hex": "#819ef3",
  "rgb": {
    "r": 129,
    "g": 158,
    "b": 243
  },
  "hsl": {
    "h": 224.737,
    "s": 82.609,
    "l": 72.941
  },
  "oklch": {
    "l": 0.71292,
    "c": 0.12882,
    "h": 268.7
  },
  "luminance": 0.35592
}

Semantic roles & 50–950 ramp

primary

#819EF3

secondary

#F4EDD7

accent

#A806DF

background

#FAFBFF

surface

#F4F6FF

border

#CED0D7

text

#101117

muted

#7F8085

Preview Lab

Preview with #819EF3

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

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