#643AE0#643AE0

#643AE0 is a mid, highly saturated violet. Relative luminance 0.111; OKLCH L 50.7% C 0.233 H 286.3°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#643AE0
RGB	rgb(100, 58, 224)
HSL	hsl(255, 73%, 55%)
HSV	hsv(255, 74%, 88%)
CMYK	cmyk(55.4%, 74.1%, 0%, 12.2%)
CIE-LAB	lab(39.78, 58.07, -77.74)
CIE-LCH	lch(39.78, 97.04, 306.76°)
OKLab	oklab(50.67% 0.0653 -0.2238)
OKLCH	oklch(50.67% 0.233 286.3)
XYZ	xyz(20.2191, 11.1161, 71.5868)
Luminance	0.1112 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643AE0 #B6E03A

analogous

#3A63E0 #643AE0 #B73AE0

triadic

#643AE0 #E0643A #3AE064

tetradic

#643AE0 #E03A63 #B6E03A #3AE0B7

square

#643AE0 #E03A63 #B6E03A #3AE0B7

split-complementary

#643AE0 #E0B73A #63E03A

monochromatic

#33168A #471EBF #643AE0 #8E6FE8 #B7A4F1

Accessibility & contrast

On white

6.51

#643AE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#643AE0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643AE0

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643AE0	#FFFFFF	#000000	##FFFFFF
##643AE0	1.00	6.51	3.22	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062E5

Deuteranopia (green-blind)

#0059DD

Tritanopia (blue-blind)

#2A688B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #643ae0;
/* rgb */ color: rgb(100, 58, 224);
/* oklch */ color: oklch(50.7% 0.233 286.3);

Tailwind

colors: {
  custom: {
    50: '#9d75eb',
    500: '#643ae0',
    950: '#000000',
  },
}

SCSS

$custom: #643ae0;
$custom-light: #9d75eb;
$custom-dark: #000000;

JSON

{
  "hex": "#643ae0",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 224
  },
  "hsl": {
    "h": 255.181,
    "s": 72.807,
    "l": 55.294
  },
  "oklch": {
    "l": 0.50668,
    "c": 0.23312,
    "h": 286.3
  },
  "luminance": 0.11117
}

Semantic roles & 50–950 ramp

primary

#643AE0

secondary

#CCDE98

accent

#EF38C1

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100916

muted

#7F7B84

Preview Lab

Preview with #643AE0

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

Preview Lab → · Contrast checker → · Palette generator →