#643BBD#643BBD

#643BBD is a mid, vivid violet. Relative luminance 0.095; OKLCH L 47.7% C 0.192 H 292.0°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#643BBD
RGB	rgb(100, 59, 189)
HSL	hsl(259, 52%, 49%)
HSV	hsv(259, 69%, 74%)
CMYK	cmyk(47.1%, 68.8%, 0%, 25.9%)
CIE-LAB	lab(36.95, 47.86, -62.10)
CIE-LCH	lch(36.95, 78.41, 307.62°)
OKLab	oklab(47.74% 0.0718 -0.1779)
OKLCH	oklch(47.74% 0.192 292)
XYZ	xyz(16.0022, 9.5108, 49.1269)
Luminance	0.0951 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 2.15

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643BBD #94BD3B

analogous

#3B53BD #643BBD #A53BBD

triadic

#643BBD #BD643B #3BBD64

tetradic

#643BBD #BD3B53 #94BD3B #3BBDA5

square

#643BBD #BD3B53 #94BD3B #3BBDA5

split-complementary

#643BBD #BDA53B #53BD3B

monochromatic

#331E60 #4B2C8E #643BBD #8766CF #AC95DE

Accessibility & contrast

On white

7.24

#643BBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#643BBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643BBD

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643BBD	#FFFFFF	#000000	##FFFFFF
##643BBD	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C1

Deuteranopia (green-blind)

#0054BA

Tritanopia (blue-blind)

#485C77

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #643bbd;
/* rgb */ color: rgb(100, 59, 189);
/* oklch */ color: oklch(47.7% 0.192 292.0);

Tailwind

colors: {
  custom: {
    50: '#9874d2',
    500: '#643bbd',
    950: '#000000',
  },
}

SCSS

$custom: #643bbd;
$custom-light: #9874d2;
$custom-dark: #000000;

JSON

{
  "hex": "#643bbd",
  "rgb": {
    "r": 100,
    "g": 59,
    "b": 189
  },
  "hsl": {
    "h": 258.923,
    "s": 52.419,
    "l": 48.627
  },
  "oklch": {
    "l": 0.47742,
    "c": 0.19187,
    "h": 292
  },
  "luminance": 0.09511
}

Semantic roles & 50–950 ramp

primary

#643BBD

secondary

#B5C98B

accent

#DC4CAE

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0E0814

muted

#7E7B83

Preview Lab

Preview with #643BBD

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

Preview Lab → · Contrast checker → · Palette generator →