#643AC5#643AC5

#643AC5 is a mid, highly saturated violet. Relative luminance 0.098; OKLCH L 48.3% C 0.202 H 290.6°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#643AC5
RGB	rgb(100, 58, 197)
HSL	hsl(258, 55%, 50%)
HSV	hsv(258, 71%, 77%)
CMYK	cmyk(49.2%, 70.6%, 0%, 22.7%)
CIE-LAB	lab(37.42, 50.59, -66.02)
CIE-LCH	lch(37.42, 83.18, 307.46°)
OKLab	oklab(48.28% 0.0713 -0.1894)
OKLCH	oklch(48.28% 0.202 290.6)
XYZ	xyz(16.8438, 9.7660, 53.8100)
Luminance	0.0977 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643AC5 #9BC53A

analogous

#3A56C5 #643AC5 #A93AC5

triadic

#643AC5 #C5643A #3AC564

tetradic

#643AC5 #C53A56 #9BC53A #3AC5A9

square

#643AC5 #C53A56 #9BC53A #3AC5A9

split-complementary

#643AC5 #C5A93A #56C53A

monochromatic

#341E66 #4C2C96 #643AC5 #8969D3 #AE99E1

Accessibility & contrast

On white

7.11

#643AC5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#643AC5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643AC5

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643AC5	#FFFFFF	#000000	##FFFFFF
##643AC5	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)

#005AC9

Deuteranopia (green-blind)

#0055C2

Tritanopia (blue-blind)

#435E7B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #643ac5;
/* rgb */ color: rgb(100, 58, 197);
/* oklch */ color: oklch(48.3% 0.202 290.6);

Tailwind

colors: {
  custom: {
    50: '#9974d8',
    500: '#643ac5',
    950: '#000000',
  },
}

SCSS

$custom: #643ac5;
$custom-light: #9974d8;
$custom-dark: #000000;

JSON

{
  "hex": "#643ac5",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 197
  },
  "hsl": {
    "h": 258.129,
    "s": 54.51,
    "l": 50
  },
  "oklch": {
    "l": 0.48281,
    "c": 0.20241,
    "h": 290.6
  },
  "luminance": 0.09767
}

Semantic roles & 50–950 ramp

primary

#643AC5

secondary

#BACD8E

accent

#DE4AB1

background

#FAF7FD

surface

#F3EDFA

border

#CDC8D3

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #643AC5

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

Preview Lab → · Contrast checker → · Palette generator →