#643DBD#643DBD

#643DBD is a mid, vivid violet. Relative luminance 0.097; OKLCH L 48.0% C 0.189 H 291.6°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#643DBD
RGB	rgb(100, 61, 189)
HSL	hsl(258, 51%, 49%)
HSV	hsv(258, 68%, 74%)
CMYK	cmyk(47.1%, 67.7%, 0%, 25.9%)
CIE-LAB	lab(37.34, 46.80, -61.47)
CIE-LCH	lch(37.34, 77.26, 307.28°)
OKLab	oklab(48.02% 0.0699 -0.1761)
OKLCH	oklch(48.02% 0.189 291.6)
XYZ	xyz(16.1070, 9.7204, 49.1618)
Luminance	0.0972 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.84

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643DBD #96BD3D

analogous

#3D56BD #643DBD #A43DBD

triadic

#643DBD #BD643D #3DBD64

tetradic

#643DBD #BD3D56 #96BD3D #3DBDA4

square

#643DBD #BD3D56 #96BD3D #3DBDA4

split-complementary

#643DBD #BDA43D #56BD3D

monochromatic

#331F60 #4C2E8F #643DBD #8869CE #AC97DD

Accessibility & contrast

On white

7.13

#643DBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#643DBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643DBD

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643DBD	#FFFFFF	#000000	##FFFFFF
##643DBD	1.00	7.13	2.94	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC1

Deuteranopia (green-blind)

#0055BA

Tritanopia (blue-blind)

#485D78

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #643dbd;
/* rgb */ color: rgb(100, 61, 189);
/* oklch */ color: oklch(48.0% 0.189 291.6);

Tailwind

colors: {
  custom: {
    50: '#9875d2',
    500: '#643dbd',
    950: '#000000',
  },
}

SCSS

$custom: #643dbd;
$custom-light: #9875d2;
$custom-dark: #000000;

JSON

{
  "hex": "#643dbd",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 189
  },
  "hsl": {
    "h": 258.281,
    "s": 51.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.48019,
    "c": 0.18943,
    "h": 291.6
  },
  "luminance": 0.09721
}

Semantic roles & 50–950 ramp

primary

#643DBD

secondary

#B7C98D

accent

#DB4DB0

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0E0814

muted

#7E7B83

Preview Lab

Preview with #643DBD

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

Preview Lab → · Contrast checker → · Palette generator →