#818EF9#818EF9

#818EF9 is a light, vivid blue. Relative luminance 0.309; OKLCH L 68.5% C 0.157 H 276.2°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#818EF9
RGB	rgb(129, 142, 249)
HSL	hsl(234, 91%, 74%)
HSV	hsv(234, 48%, 98%)
CMYK	cmyk(48.2%, 43%, 0%, 2.4%)
CIE-LAB	lab(62.38, 23.31, -55.08)
CIE-LCH	lch(62.38, 59.80, 292.94°)
OKLab	oklab(68.45% 0.017 -0.1561)
OKLCH	oklch(68.45% 0.157 276.2)
XYZ	xyz(35.8198, 30.8506, 93.6715)
Luminance	0.3085 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818EF9 #F9EC81

analogous

#81CAF9 #818EF9 #B081F9

triadic

#818EF9 #F9818E #8EF981

tetradic

#818EF9 #F981CA #F9EC81 #81F9B0

square

#818EF9 #F981CA #F9EC81 #81F9B0

split-complementary

#818EF9 #F9B081 #CAF981

monochromatic

#0C25F3 #475AF6 #818EF9 #BBC2FC #E2E5FE

Accessibility & contrast

On white

2.93

#818EF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.17

#818EF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #818EF9

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818EF9	#FFFFFF	#000000	##000000
##818EF9	1.00	2.93	7.17	7.17
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.17	21.00	1.00	1.00
##000000	7.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#639CFD

Deuteranopia (green-blind)

#5892F7

Tritanopia (blue-blind)

#53A5B7

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #818ef9;
/* rgb */ color: rgb(129, 142, 249);
/* oklch */ color: oklch(68.5% 0.157 276.2);

Tailwind

colors: {
  custom: {
    50: '#acaefc',
    500: '#818ef9',
    950: '#000000',
  },
}

SCSS

$custom: #818ef9;
$custom-light: #acaefc;
$custom-dark: #000000;

JSON

{
  "hex": "#818ef9",
  "rgb": {
    "r": 129,
    "g": 142,
    "b": 249
  },
  "hsl": {
    "h": 233.5,
    "s": 90.909,
    "l": 74.118
  },
  "oklch": {
    "l": 0.68452,
    "c": 0.15707,
    "h": 276.2
  },
  "luminance": 0.30853
}

Semantic roles & 50–950 ramp

primary

#818EF9

secondary

#F6F2D5

accent

#CD00E6

background

#FBFAFF

surface

#F6F4FF

border

#D0CED7

text

#111017

muted

#807F85

Preview Lab

Preview with #818EF9

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

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