#643FE8#643FE8

#643FE8 is a mid, highly saturated violet. Relative luminance 0.121; OKLCH L 52.0% C 0.237 H 284.6°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#643FE8
RGB	rgb(100, 63, 232)
HSL	hsl(253, 79%, 58%)
HSV	hsv(253, 73%, 91%)
CMYK	cmyk(56.9%, 72.8%, 0%, 9%)
CIE-LAB	lab(41.36, 57.86, -79.70)
CIE-LCH	lch(41.36, 98.49, 305.98°)
OKLab	oklab(52% 0.0598 -0.2295)
OKLCH	oklch(52% 0.237 284.6)
XYZ	xyz(21.5941, 12.0892, 77.5239)
Luminance	0.1209 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643FE8 #C3E83F

analogous

#3F6EE8 #643FE8 #B83FE8

triadic

#643FE8 #E8643F #3FE864

tetradic

#643FE8 #E83F6E #C3E83F #3FE8B8

square

#643FE8 #E83F6E #C3E83F #3FE8B8

split-complementary

#643FE8 #E8B83F #6EE83F

monochromatic

#30129A #4119D1 #643FE8 #9076EF #BCACF5

Accessibility & contrast

On white

6.14

#643FE8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#643FE8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643FE8

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643FE8	#FFFFFF	#000000	##FFFFFF
##643FE8	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066ED

Deuteranopia (green-blind)

#005CE5

Tritanopia (blue-blind)

#1C6E90

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #643fe8;
/* rgb */ color: rgb(100, 63, 232);
/* oklch */ color: oklch(52.0% 0.237 284.6);

Tailwind

colors: {
  custom: {
    50: '#9e78f1',
    500: '#643fe8',
    950: '#000000',
  },
}

SCSS

$custom: #643fe8;
$custom-light: #9e78f1;
$custom-dark: #000000;

JSON

{
  "hex": "#643fe8",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 232
  },
  "hsl": {
    "h": 253.136,
    "s": 78.605,
    "l": 57.843
  },
  "oklch": {
    "l": 0.52003,
    "c": 0.2372,
    "h": 284.6
  },
  "luminance": 0.12091
}

Semantic roles & 50–950 ramp

primary

#643FE8

secondary

#D4E3A0

accent

#F533CB

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100917

muted

#7F7B85

Preview Lab

Preview with #643FE8

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

Preview Lab → · Contrast checker → · Palette generator →