#643EBC#643EBC

#643EBC is a mid, vivid violet. Relative luminance 0.098; OKLCH L 48.1% C 0.187 H 291.7°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#643EBC
RGB	rgb(100, 62, 188)
HSL	hsl(258, 50%, 49%)
HSV	hsv(258, 67%, 74%)
CMYK	cmyk(46.8%, 67%, 0%, 26.3%)
CIE-LAB	lab(37.45, 45.98, -60.70)
CIE-LCH	lch(37.45, 76.14, 307.14°)
OKLab	oklab(48.08% 0.069 -0.1738)
OKLCH	oklch(48.08% 0.187 291.7)
XYZ	xyz(16.0527, 9.7849, 48.6101)
Luminance	0.0979 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.85

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643EBC #96BC3E

analogous

#3E57BC #643EBC #A33EBC

triadic

#643EBC #BC643E #3EBC64

tetradic

#643EBC #BC3E57 #96BC3E #3EBCA3

square

#643EBC #BC3E57 #96BC3E #3EBCA3

split-complementary

#643EBC #BCA33E #57BC3E

monochromatic

#332060 #4C2F8E #643EBC #886ACE #AC98DD

Accessibility & contrast

On white

7.10

#643EBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#643EBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643EBC

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643EBC	#FFFFFF	#000000	##FFFFFF
##643EBC	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC0

Deuteranopia (green-blind)

#0055B9

Tritanopia (blue-blind)

#495D78

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #643ebc;
/* rgb */ color: rgb(100, 62, 188);
/* oklch */ color: oklch(48.1% 0.187 291.7);

Tailwind

colors: {
  custom: {
    50: '#9776d1',
    500: '#643ebc',
    950: '#000000',
  },
}

SCSS

$custom: #643ebc;
$custom-light: #9776d1;
$custom-dark: #000000;

JSON

{
  "hex": "#643ebc",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 188
  },
  "hsl": {
    "h": 258.095,
    "s": 50.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.48079,
    "c": 0.187,
    "h": 291.7
  },
  "luminance": 0.09785
}

Semantic roles & 50–950 ramp

primary

#643EBC

secondary

#B7C98D

accent

#DA4EB0

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0E0914

muted

#7E7B83

Preview Lab

Preview with #643EBC

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

Preview Lab → · Contrast checker → · Palette generator →