#643FE9#643FE9

#643FE9 is a mid, highly saturated violet. Relative luminance 0.121; OKLCH L 52.1% C 0.238 H 284.5°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#643FE9
RGB	rgb(100, 63, 233)
HSL	hsl(253, 79%, 58%)
HSV	hsv(253, 73%, 91%)
CMYK	cmyk(57.1%, 73%, 0%, 8.6%)
CIE-LAB	lab(41.45, 58.15, -80.12)
CIE-LCH	lch(41.45, 98.99, 305.97°)
OKLab	oklab(52.09% 0.0596 -0.2308)
OKLCH	oklch(52.09% 0.238 284.5)
XYZ	xyz(21.7365, 12.1462, 78.2741)
Luminance	0.1215 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643FE9 #C4E93F

analogous

#3F6FE9 #643FE9 #B93FE9

triadic

#643FE9 #E9643F #3FE964

tetradic

#643FE9 #E93F6F #C4E93F #3FE9B9

square

#643FE9 #E93F6F #C4E93F #3FE9B9

split-complementary

#643FE9 #E9B93F #6FE93F

monochromatic

#30129C #4118D3 #643FE9 #9076EF #BDADF6

Accessibility & contrast

On white

6.12

#643FE9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#643FE9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643FE9

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643FE9	#FFFFFF	#000000	##FFFFFF
##643FE9	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067EE

Deuteranopia (green-blind)

#005CE6

Tritanopia (blue-blind)

#1A6E91

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #643fe9;
/* rgb */ color: rgb(100, 63, 233);
/* oklch */ color: oklch(52.1% 0.238 284.5);

Tailwind

colors: {
  custom: {
    50: '#9e78f1',
    500: '#643fe9',
    950: '#000000',
  },
}

SCSS

$custom: #643fe9;
$custom-light: #9e78f1;
$custom-dark: #000000;

JSON

{
  "hex": "#643fe9",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 233
  },
  "hsl": {
    "h": 253.059,
    "s": 79.439,
    "l": 58.039
  },
  "oklch": {
    "l": 0.52093,
    "c": 0.23833,
    "h": 284.5
  },
  "luminance": 0.12148
}

Semantic roles & 50–950 ramp

primary

#643FE9

secondary

#D5E4A0

accent

#F632CB

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100917

muted

#7F7B85

Preview Lab

Preview with #643FE9

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

Preview Lab → · Contrast checker → · Palette generator →