#643FBD#643FBD

#643FBD is a mid, vivid violet. Relative luminance 0.099; OKLCH L 48.3% C 0.187 H 291.3°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#643FBD
RGB	rgb(100, 63, 189)
HSL	hsl(258, 50%, 49%)
HSV	hsv(258, 67%, 74%)
CMYK	cmyk(47.1%, 66.7%, 0%, 25.9%)
CIE-LAB	lab(37.73, 45.71, -60.83)
CIE-LCH	lch(37.73, 76.09, 306.92°)
OKLab	oklab(48.3% 0.0678 -0.1742)
OKLCH	oklch(48.3% 0.187 291.3)
XYZ	xyz(16.2158, 9.9379, 49.1980)
Luminance	0.0994 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.61

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643FBD #98BD3F

analogous

#3F59BD #643FBD #A33FBD

triadic

#643FBD #BD643F #3FBD64

tetradic

#643FBD #BD3F59 #98BD3F #3FBDA3

square

#643FBD #BD3F59 #98BD3F #3FBDA3

split-complementary

#643FBD #BDA33F #59BD3F

monochromatic

#332061 #4C308F #643FBD #886BCE #AD99DD

Accessibility & contrast

On white

7.03

#643FBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#643FBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643FBD

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643FBD	#FFFFFF	#000000	##FFFFFF
##643FBD	1.00	7.03	2.99	7.03
#FFFFFF	7.03	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC1

Deuteranopia (green-blind)

#0056BA

Tritanopia (blue-blind)

#485E79

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #643fbd;
/* rgb */ color: rgb(100, 63, 189);
/* oklch */ color: oklch(48.3% 0.187 291.3);

Tailwind

colors: {
  custom: {
    50: '#9776d2',
    500: '#643fbd',
    950: '#000000',
  },
}

SCSS

$custom: #643fbd;
$custom-light: #9776d2;
$custom-dark: #000000;

JSON

{
  "hex": "#643fbd",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 189
  },
  "hsl": {
    "h": 257.619,
    "s": 50,
    "l": 49.412
  },
  "oklch": {
    "l": 0.48303,
    "c": 0.18695,
    "h": 291.3
  },
  "luminance": 0.09938
}

Semantic roles & 50–950 ramp

primary

#643FBD

secondary

#B8C98F

accent

#DA4EB1

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0E0914

muted

#7E7B83

Preview Lab

Preview with #643FBD

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

Preview Lab → · Contrast checker → · Palette generator →