#818CF9#818CF9

#818CF9 is a light, vivid blue. Relative luminance 0.303; OKLCH L 68.1% C 0.160 H 276.9°. Best body text is #000000 at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#818CF9
RGB	rgb(129, 140, 249)
HSL	hsl(235, 91%, 74%)
HSV	hsv(235, 48%, 98%)
CMYK	cmyk(48.2%, 43.8%, 0%, 2.4%)
CIE-LAB	lab(61.88, 24.48, -55.88)
CIE-LCH	lch(61.88, 61.00, 293.66°)
OKLab	oklab(68.07% 0.0193 -0.1585)
OKLCH	oklch(68.07% 0.16 276.9)
XYZ	xyz(35.5249, 30.2608, 93.5732)
Luminance	0.3026 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818CF9 #F9EE81

analogous

#81C8F9 #818CF9 #B281F9

triadic

#818CF9 #F9818C #8CF981

tetradic

#818CF9 #F981C8 #F9EE81 #81F9B2

square

#818CF9 #F981C8 #F9EE81 #81F9B2

split-complementary

#818CF9 #F9B281 #C8F981

monochromatic

#0C21F3 #4757F6 #818CF9 #BBC1FC #E2E4FE

Accessibility & contrast

On white

2.98

#818CF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.05

#818CF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #818CF9

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818CF9	#FFFFFF	#000000	##000000
##818CF9	1.00	2.98	7.05	7.05
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.05	21.00	1.00	1.00
##000000	7.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F9AFD

Deuteranopia (green-blind)

#5591F7

Tritanopia (blue-blind)

#53A3B6

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #818cf9;
/* rgb */ color: rgb(129, 140, 249);
/* oklch */ color: oklch(68.1% 0.160 276.9);

Tailwind

colors: {
  custom: {
    50: '#acadfc',
    500: '#818cf9',
    950: '#000000',
  },
}

SCSS

$custom: #818cf9;
$custom-light: #acadfc;
$custom-dark: #000000;

JSON

{
  "hex": "#818cf9",
  "rgb": {
    "r": 129,
    "g": 140,
    "b": 249
  },
  "hsl": {
    "h": 234.5,
    "s": 90.909,
    "l": 74.118
  },
  "oklch": {
    "l": 0.68069,
    "c": 0.15968,
    "h": 276.9
  },
  "luminance": 0.30263
}

Semantic roles & 50–950 ramp

primary

#818CF9

secondary

#F6F3D5

accent

#D000E6

background

#FBFAFF

surface

#F6F4FF

border

#D0CED7

text

#111017

muted

#807F85

Preview Lab

Preview with #818CF9

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

Preview Lab → · Contrast checker → · Palette generator →