#643DBF#643DBF

#643DBF is a mid, vivid violet. Relative luminance 0.098; OKLCH L 48.2% C 0.192 H 291.3°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#643DBF
RGB	rgb(100, 61, 191)
HSL	hsl(258, 52%, 49%)
HSV	hsv(258, 68%, 75%)
CMYK	cmyk(47.6%, 68.1%, 0%, 25.1%)
CIE-LAB	lab(37.50, 47.35, -62.39)
CIE-LCH	lch(37.50, 78.32, 307.20°)
OKLab	oklab(48.18% 0.0696 -0.1788)
OKLCH	oklch(48.18% 0.192 291.3)
XYZ	xyz(16.3256, 9.8078, 50.3130)
Luminance	0.0981 (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

#643DBF #98BF3D

analogous

#3D57BF #643DBF #A53DBF

triadic

#643DBF #BF643D #3DBF64

tetradic

#643DBF #BF3D57 #98BF3D #3DBFA5

square

#643DBF #BF3D57 #98BF3D #3DBFA5

split-complementary

#643DBF #BFA53D #57BF3D

monochromatic

#331F62 #4C2E91 #643DBF #886ACF #AD98DE

Accessibility & contrast

On white

7.09

#643DBF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#643DBF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643DBF

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643DBF	#FFFFFF	#000000	##FFFFFF
##643DBF	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC3

Deuteranopia (green-blind)

#0055BC

Tritanopia (blue-blind)

#475D79

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #643dbf;
/* rgb */ color: rgb(100, 61, 191);
/* oklch */ color: oklch(48.2% 0.192 291.3);

Tailwind

colors: {
  custom: {
    50: '#9875d3',
    500: '#643dbf',
    950: '#000000',
  },
}

SCSS

$custom: #643dbf;
$custom-light: #9875d3;
$custom-dark: #000000;

JSON

{
  "hex": "#643dbf",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 191
  },
  "hsl": {
    "h": 258,
    "s": 51.587,
    "l": 49.412
  },
  "oklch": {
    "l": 0.48183,
    "c": 0.19182,
    "h": 291.3
  },
  "luminance": 0.09808
}

Semantic roles & 50–950 ramp

primary

#643DBF

secondary

#B8CA8E

accent

#DB4DB0

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0E0814

muted

#7E7B83

Preview Lab

Preview with #643DBF

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

Preview Lab → · Contrast checker → · Palette generator →