#643ACA#643ACA

#643ACA is a mid, highly saturated violet. Relative luminance 0.100; OKLCH L 48.7% C 0.208 H 289.7°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).

Color values

HEX	#643ACA
RGB	rgb(100, 58, 202)
HSL	hsl(258, 58%, 51%)
HSV	hsv(258, 71%, 79%)
CMYK	cmyk(50.5%, 71.3%, 0%, 20.8%)
CIE-LAB	lab(37.84, 51.98, -68.24)
CIE-LCH	lch(37.84, 85.78, 307.29°)
OKLab	oklab(48.71% 0.0703 -0.196)
OKLCH	oklch(48.71% 0.208 289.7)
XYZ	xyz(17.4262, 9.9990, 56.8775)
Luminance	0.1000 (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

#643ACA #A0CA3A

analogous

#3A58CA #643ACA #AC3ACA

triadic

#643ACA #CA643A #3ACA64

tetradic

#643ACA #CA3A58 #A0CA3A #3ACAAC

square

#643ACA #CA3A58 #A0CA3A #3ACAAC

split-complementary

#643ACA #CAAC3A #58CA3A

monochromatic

#341D6C #4C2A9D #643ACA #8A6AD7 #B09AE4

Accessibility & contrast

On white

7.00

#643ACA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#643ACA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643ACA

7.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643ACA	#FFFFFF	#000000	##FFFFFF
##643ACA	1.00	7.00	3.00	7.00
#FFFFFF	7.00	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CCE

Deuteranopia (green-blind)

#0056C7

Tritanopia (blue-blind)

#40607E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #643aca;
/* rgb */ color: rgb(100, 58, 202);
/* oklch */ color: oklch(48.7% 0.208 289.7);

Tailwind

colors: {
  custom: {
    50: '#9a74db',
    500: '#643aca',
    950: '#000000',
  },
}

SCSS

$custom: #643aca;
$custom-light: #9a74db;
$custom-dark: #000000;

JSON

{
  "hex": "#643aca",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 202
  },
  "hsl": {
    "h": 257.5,
    "s": 57.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.4871,
    "c": 0.20818,
    "h": 289.7
  },
  "luminance": 0.1
}

Semantic roles & 50–950 ramp

primary

#643ACA

secondary

#BDD090

accent

#E147B4

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #643ACA

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

Preview Lab → · Contrast checker → · Palette generator →