#643BC2#643BC2

#643BC2 is a mid, vivid violet. Relative luminance 0.097; OKLCH L 48.2% C 0.198 H 291.0°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#643BC2
RGB	rgb(100, 59, 194)
HSL	hsl(258, 53%, 50%)
HSV	hsv(258, 70%, 76%)
CMYK	cmyk(48.5%, 69.6%, 0%, 23.9%)
CIE-LAB	lab(37.36, 49.24, -64.37)
CIE-LCH	lch(37.36, 81.05, 307.42°)
OKLab	oklab(48.16% 0.071 -0.1846)
OKLCH	oklch(48.16% 0.198 291)
XYZ	xyz(16.5543, 9.7317, 52.0346)
Luminance	0.0973 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643BC2 #99C23B

analogous

#3B56C2 #643BC2 #A83BC2

triadic

#643BC2 #C2643B #3BC264

tetradic

#643BC2 #C23B56 #99C23B #3BC2A8

square

#643BC2 #C23B56 #99C23B #3BC2A8

split-complementary

#643BC2 #C2A83B #56C23B

monochromatic

#341E64 #4C2D93 #643BC2 #8969D1 #AE98E0

Accessibility & contrast

On white

7.13

#643BC2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#643BC2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643BC2

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643BC2	#FFFFFF	#000000	##FFFFFF
##643BC2	1.00	7.13	2.95	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC6

Deuteranopia (green-blind)

#0055BF

Tritanopia (blue-blind)

#455D7A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #643bc2;
/* rgb */ color: rgb(100, 59, 194);
/* oklch */ color: oklch(48.2% 0.198 291.0);

Tailwind

colors: {
  custom: {
    50: '#9874d5',
    500: '#643bc2',
    950: '#000000',
  },
}

SCSS

$custom: #643bc2;
$custom-light: #9874d5;
$custom-dark: #000000;

JSON

{
  "hex": "#643bc2",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 194
  },
  "hsl": {
    "h": 258.222,
    "s": 53.36,
    "l": 49.608
  },
  "oklch": {
    "l": 0.48159,
    "c": 0.19776,
    "h": 291
  },
  "luminance": 0.09732
}

Semantic roles & 50–950 ramp

primary

#643BC2

secondary

#B9CB8E

accent

#DD4BB1

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #643BC2

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

Preview Lab → · Contrast checker → · Palette generator →