#643AC4#643AC4

#643AC4 is a mid, highly saturated violet. Relative luminance 0.097; OKLCH L 48.2% C 0.201 H 290.8°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#643AC4
RGB	rgb(100, 58, 196)
HSL	hsl(258, 54%, 50%)
HSV	hsv(258, 70%, 77%)
CMYK	cmyk(49%, 70.4%, 0%, 23.1%)
CIE-LAB	lab(37.34, 50.32, -65.57)
CIE-LCH	lch(37.34, 82.65, 307.50°)
OKLab	oklab(48.2% 0.0715 -0.1881)
OKLCH	oklch(48.2% 0.201 290.8)
XYZ	xyz(16.7296, 9.7203, 53.2086)
Luminance	0.0972 (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

#643AC4 #9AC43A

analogous

#3A55C4 #643AC4 #A93AC4

triadic

#643AC4 #C4643A #3AC464

tetradic

#643AC4 #C43A55 #9AC43A #3AC4A9

square

#643AC4 #C43A55 #9AC43A #3AC4A9

split-complementary

#643AC4 #C4A93A #55C43A

monochromatic

#341E66 #4C2C95 #643AC4 #8969D3 #AE98E0

Accessibility & contrast

On white

7.13

#643AC4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#643AC4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643AC4

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643AC4	#FFFFFF	#000000	##FFFFFF
##643AC4	1.00	7.13	2.94	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC8

Deuteranopia (green-blind)

#0055C1

Tritanopia (blue-blind)

#445E7B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #643ac4;
/* rgb */ color: rgb(100, 58, 196);
/* oklch */ color: oklch(48.2% 0.201 290.8);

Tailwind

colors: {
  custom: {
    50: '#9974d7',
    500: '#643ac4',
    950: '#000000',
  },
}

SCSS

$custom: #643ac4;
$custom-light: #9974d7;
$custom-dark: #000000;

JSON

{
  "hex": "#643ac4",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 196
  },
  "hsl": {
    "h": 258.261,
    "s": 54.331,
    "l": 49.804
  },
  "oklch": {
    "l": 0.48196,
    "c": 0.20124,
    "h": 290.8
  },
  "luminance": 0.09721
}

Semantic roles & 50–950 ramp

primary

#643AC4

secondary

#B9CC8E

accent

#DE4AB1

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #643AC4

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

Preview Lab → · Contrast checker → · Palette generator →