#643AC3#643AC3

#643AC3 is a mid, highly saturated violet. Relative luminance 0.097; OKLCH L 48.1% C 0.200 H 291.0°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#643AC3
RGB	rgb(100, 58, 195)
HSL	hsl(258, 54%, 50%)
HSV	hsv(258, 70%, 76%)
CMYK	cmyk(48.7%, 70.3%, 0%, 23.5%)
CIE-LAB	lab(37.25, 50.04, -65.13)
CIE-LCH	lch(37.25, 82.13, 307.54°)
OKLab	oklab(48.11% 0.0717 -0.1868)
OKLCH	oklch(48.11% 0.2 291)
XYZ	xyz(16.6161, 9.6749, 52.6111)
Luminance	0.0968 (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

#643AC3 #99C33A

analogous

#3A55C3 #643AC3 #A93AC3

triadic

#643AC3 #C3643A #3AC364

tetradic

#643AC3 #C33A55 #99C33A #3AC3A9

square

#643AC3 #C33A55 #99C33A #3AC3A9

split-complementary

#643AC3 #C3A93A #55C33A

monochromatic

#341E65 #4C2C94 #643AC3 #8968D2 #AE97E0

Accessibility & contrast

On white

7.15

#643AC3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#643AC3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643AC3

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643AC3	#FFFFFF	#000000	##FFFFFF
##643AC3	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC7

Deuteranopia (green-blind)

#0055C0

Tritanopia (blue-blind)

#455D7A

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #643ac3;
/* rgb */ color: rgb(100, 58, 195);
/* oklch */ color: oklch(48.1% 0.200 291.0);

Tailwind

colors: {
  custom: {
    50: '#9974d6',
    500: '#643ac3',
    950: '#000000',
  },
}

SCSS

$custom: #643ac3;
$custom-light: #9974d6;
$custom-dark: #000000;

JSON

{
  "hex": "#643ac3",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 195
  },
  "hsl": {
    "h": 258.394,
    "s": 54.15,
    "l": 49.608
  },
  "oklch": {
    "l": 0.48111,
    "c": 0.20008,
    "h": 291
  },
  "luminance": 0.09676
}

Semantic roles & 50–950 ramp

primary

#643AC3

secondary

#B9CC8D

accent

#DE4AB0

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #643AC3

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

Preview Lab → · Contrast checker → · Palette generator →