#643DBE#643DBE

#643DBE is a mid, vivid violet. Relative luminance 0.098; OKLCH L 48.1% C 0.191 H 291.4°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#643DBE
RGB	rgb(100, 61, 190)
HSL	hsl(258, 51%, 49%)
HSV	hsv(258, 68%, 75%)
CMYK	cmyk(47.4%, 67.9%, 0%, 25.5%)
CIE-LAB	lab(37.42, 47.08, -61.93)
CIE-LCH	lch(37.42, 77.79, 307.24°)
OKLab	oklab(48.1% 0.0697 -0.1774)
OKLCH	oklch(48.1% 0.191 291.4)
XYZ	xyz(16.2159, 9.7639, 49.7354)
Luminance	0.0977 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.72

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643DBE #97BE3D

analogous

#3D56BE #643DBE #A53DBE

triadic

#643DBE #BE643D #3DBE64

tetradic

#643DBE #BE3D56 #97BE3D #3DBEA5

square

#643DBE #BE3D56 #97BE3D #3DBEA5

split-complementary

#643DBE #BEA53D #56BE3D

monochromatic

#331F61 #4C2E90 #643DBE #8869CF #AD98DE

Accessibility & contrast

On white

7.11

#643DBE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#643DBE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643DBE

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643DBE	#FFFFFF	#000000	##FFFFFF
##643DBE	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC2

Deuteranopia (green-blind)

#0055BB

Tritanopia (blue-blind)

#485D78

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #643dbe;
/* rgb */ color: rgb(100, 61, 190);
/* oklch */ color: oklch(48.1% 0.191 291.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#643dbe",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 190
  },
  "hsl": {
    "h": 258.14,
    "s": 51.394,
    "l": 49.216
  },
  "oklch": {
    "l": 0.48101,
    "c": 0.19063,
    "h": 291.4
  },
  "luminance": 0.09765
}

Semantic roles & 50–950 ramp

primary

#643DBE

secondary

#B7C98D

accent

#DB4DB0

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0E0814

muted

#7E7B83

Preview Lab

Preview with #643DBE

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

Preview Lab → · Contrast checker → · Palette generator →