#643AFF#643AFF

#643AFF is a mid, highly saturated violet. Relative luminance 0.130; OKLCH L 53.6% C 0.267 H 282.4°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#643AFF
RGB	rgb(100, 58, 255)
HSL	hsl(253, 100%, 61%)
HSV	hsv(253, 77%, 100%)
CMYK	cmyk(60.8%, 77.3%, 0%, 0%)
CIE-LAB	lab(42.69, 66.57, -90.44)
CIE-LCH	lch(42.69, 112.30, 306.36°)
OKLab	oklab(53.59% 0.0572 -0.2609)
OKLCH	oklch(53.59% 0.267 282.4)
XYZ	xyz(24.8130, 12.9537, 95.7811)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643AFF #D5FF3A

analogous

#3A73FF #643AFF #C73AFF

triadic

#643AFF #FF643A #3AFF64

tetradic

#643AFF #FF3A73 #D5FF3A #3AFFC7

square

#643AFF #FF3A73 #D5FF3A #3AFFC7

split-complementary

#643AFF #FFC73A #73FF3A

monochromatic

#2900BF #3600FC #643AFF #9477FF #C4B4FF

Accessibility & contrast

On white

5.85

#643AFF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#643AFF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643AFF

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643AFF	#FFFFFF	#000000	##FFFFFF
##643AFF	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BFF

Deuteranopia (green-blind)

#005EFC

Tritanopia (blue-blind)

#00759C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #643aff;
/* rgb */ color: rgb(100, 58, 255);
/* oklch */ color: oklch(53.6% 0.267 282.4);

Tailwind

colors: {
  custom: {
    50: '#a276ff',
    500: '#643aff',
    950: '#000000',
  },
}

SCSS

$custom: #643aff;
$custom-light: #a276ff;
$custom-dark: #000000;

JSON

{
  "hex": "#643aff",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 255
  },
  "hsl": {
    "h": 252.792,
    "s": 100,
    "l": 61.373
  },
  "oklch": {
    "l": 0.53586,
    "c": 0.26705,
    "h": 282.4
  },
  "luminance": 0.12955
}

Semantic roles & 50–950 ramp

primary

#643AFF

secondary

#E0EFA6

accent

#E600B5

background

#FBF7FF

surface

#F6EDFF

border

#D0C8D7

text

#110918

muted

#807B86

Preview Lab

Preview with #643AFF

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

Preview Lab → · Contrast checker → · Palette generator →