#643CBE#643CBE

#643CBE is a mid, vivid violet. Relative luminance 0.097; OKLCH L 48.0% C 0.192 H 291.6°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#643CBE
RGB	rgb(100, 60, 190)
HSL	hsl(258, 52%, 49%)
HSV	hsv(258, 68%, 75%)
CMYK	cmyk(47.4%, 68.4%, 0%, 25.5%)
CIE-LAB	lab(37.22, 47.61, -62.25)
CIE-LCH	lch(37.22, 78.37, 307.41°)
OKLab	oklab(47.96% 0.0707 -0.1783)
OKLCH	oklch(47.96% 0.192 291.6)
XYZ	xyz(16.1630, 9.6582, 49.7178)
Luminance	0.0966 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.88

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643CBE #96BE3C

analogous

#3C55BE #643CBE #A53CBE

triadic

#643CBE #BE643C #3CBE64

tetradic

#643CBE #BE3C55 #96BE3C #3CBEA5

square

#643CBE #BE3C55 #96BE3C #3CBEA5

split-complementary

#643CBE #BEA53C #55BE3C

monochromatic

#331F61 #4C2D8F #643CBE #8868CF #AC96DE

Accessibility & contrast

On white

7.16

#643CBE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#643CBE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643CBE

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643CBE	#FFFFFF	#000000	##FFFFFF
##643CBE	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC2

Deuteranopia (green-blind)

#0055BB

Tritanopia (blue-blind)

#485C78

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #643cbe;
/* rgb */ color: rgb(100, 60, 190);
/* oklch */ color: oklch(48.0% 0.192 291.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#643cbe",
  "rgb": {
    "r": 100,
    "g": 60,
    "b": 190
  },
  "hsl": {
    "h": 258.462,
    "s": 52,
    "l": 49.02
  },
  "oklch": {
    "l": 0.47962,
    "c": 0.19184,
    "h": 291.6
  },
  "luminance": 0.09659
}

Semantic roles & 50–950 ramp

primary

#643CBE

secondary

#B7CA8C

accent

#DB4CAF

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0E0814

muted

#7E7B83

Preview Lab

Preview with #643CBE

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

Preview Lab → · Contrast checker → · Palette generator →