#643FBE#643FBE

#643FBE is a mid, vivid violet. Relative luminance 0.100; OKLCH L 48.4% C 0.188 H 291.1°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#643FBE
RGB	rgb(100, 63, 190)
HSL	hsl(257, 50%, 50%)
HSV	hsv(257, 67%, 75%)
CMYK	cmyk(47.4%, 66.8%, 0%, 25.5%)
CIE-LAB	lab(37.81, 46.00, -61.29)
CIE-LCH	lch(37.81, 76.63, 306.89°)
OKLab	oklab(48.38% 0.0677 -0.1756)
OKLCH	oklch(48.38% 0.188 291.1)
XYZ	xyz(16.3247, 9.9814, 49.7717)
Luminance	0.0998 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 1.48

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643FBE #99BE3F

analogous

#3F5ABE #643FBE #A43FBE

triadic

#643FBE #BE643F #3FBE64

tetradic

#643FBE #BE3F5A #99BE3F #3FBEA4

square

#643FBE #BE3F5A #99BE3F #3FBEA4

split-complementary

#643FBE #BEA43F #5ABE3F

monochromatic

#342162 #4C3090 #643FBE #896CCE #AE9ADD

Accessibility & contrast

On white

7.01

#643FBE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#643FBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643FBE

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643FBE	#FFFFFF	#000000	##FFFFFF
##643FBE	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC2

Deuteranopia (green-blind)

#0056BB

Tritanopia (blue-blind)

#485E79

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #643fbe;
/* rgb */ color: rgb(100, 63, 190);
/* oklch */ color: oklch(48.4% 0.188 291.1);

Tailwind

colors: {
  custom: {
    50: '#9876d3',
    500: '#643fbe',
    950: '#000000',
  },
}

SCSS

$custom: #643fbe;
$custom-light: #9876d3;
$custom-dark: #000000;

JSON

{
  "hex": "#643fbe",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 190
  },
  "hsl": {
    "h": 257.48,
    "s": 50.198,
    "l": 49.608
  },
  "oklch": {
    "l": 0.48384,
    "c": 0.18816,
    "h": 291.1
  },
  "luminance": 0.09982
}

Semantic roles & 50–950 ramp

primary

#643FBE

secondary

#B9C98F

accent

#DA4EB1

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0E0914

muted

#7E7B83

Preview Lab

Preview with #643FBE

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

Preview Lab → · Contrast checker → · Palette generator →