#643AC7#643AC7

#643AC7 is a mid, highly saturated violet. Relative luminance 0.099; OKLCH L 48.5% C 0.205 H 290.3°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#643AC7
RGB	rgb(100, 58, 199)
HSL	hsl(258, 56%, 50%)
HSV	hsv(258, 71%, 78%)
CMYK	cmyk(49.7%, 70.9%, 0%, 22%)
CIE-LAB	lab(37.59, 51.15, -66.91)
CIE-LCH	lch(37.59, 84.22, 307.39°)
OKLab	oklab(48.45% 0.0709 -0.192)
OKLCH	oklch(48.45% 0.205 290.3)
XYZ	xyz(17.0744, 9.8583, 55.0249)
Luminance	0.0986 (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

#643AC7 #9DC73A

analogous

#3A57C7 #643AC7 #AA3AC7

triadic

#643AC7 #C7643A #3AC764

tetradic

#643AC7 #C73A57 #9DC73A #3AC7AA

square

#643AC7 #C73A57 #9DC73A #3AC7AA

split-complementary

#643AC7 #C7AA3A #57C73A

monochromatic

#341E69 #4C2B98 #643AC7 #896AD5 #AF99E2

Accessibility & contrast

On white

7.07

#643AC7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#643AC7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643AC7

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643AC7	#FFFFFF	#000000	##FFFFFF
##643AC7	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BCB

Deuteranopia (green-blind)

#0055C4

Tritanopia (blue-blind)

#425F7D

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #643ac7;
/* rgb */ color: rgb(100, 58, 199);
/* oklch */ color: oklch(48.5% 0.205 290.3);

Tailwind

colors: {
  custom: {
    50: '#9974d9',
    500: '#643ac7',
    950: '#000000',
  },
}

SCSS

$custom: #643ac7;
$custom-light: #9974d9;
$custom-dark: #000000;

JSON

{
  "hex": "#643ac7",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 199
  },
  "hsl": {
    "h": 257.872,
    "s": 55.731,
    "l": 50.392
  },
  "oklch": {
    "l": 0.48452,
    "c": 0.20472,
    "h": 290.3
  },
  "luminance": 0.09859
}

Semantic roles & 50–950 ramp

primary

#643AC7

secondary

#BBCE8F

accent

#DF49B2

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #643AC7

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

Preview Lab → · Contrast checker → · Palette generator →