#643ACD#643ACD

#643ACD is a mid, highly saturated violet. Relative luminance 0.101; OKLCH L 49.0% C 0.212 H 289.2°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#643ACD
RGB	rgb(100, 58, 205)
HSL	hsl(257, 60%, 52%)
HSV	hsv(257, 72%, 80%)
CMYK	cmyk(51.2%, 71.7%, 0%, 19.6%)
CIE-LAB	lab(38.10, 52.81, -69.57)
CIE-LCH	lch(38.10, 87.34, 307.20°)
OKLab	oklab(48.97% 0.0697 -0.1998)
OKLCH	oklch(48.97% 0.212 289.2)
XYZ	xyz(17.7848, 10.1424, 58.7663)
Luminance	0.1014 (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

#643ACD #A3CD3A

analogous

#3A5ACD #643ACD #AE3ACD

triadic

#643ACD #CD643A #3ACD64

tetradic

#643ACD #CD3A5A #A3CD3A #3ACDAE

square

#643ACD #CD3A5A #A3CD3A #3ACDAE

split-complementary

#643ACD #CDAE3A #5ACD3A

monochromatic

#341C70 #4B29A1 #643ACD #8A6BD9 #B19CE6

Accessibility & contrast

On white

6.93

#643ACD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#643ACD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643ACD

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643ACD	#FFFFFF	#000000	##FFFFFF
##643ACD	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD1

Deuteranopia (green-blind)

#0056CA

Tritanopia (blue-blind)

#3E6180

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #643acd;
/* rgb */ color: rgb(100, 58, 205);
/* oklch */ color: oklch(49.0% 0.212 289.2);

Tailwind

colors: {
  custom: {
    50: '#9a74dd',
    500: '#643acd',
    950: '#000000',
  },
}

SCSS

$custom: #643acd;
$custom-light: #9a74dd;
$custom-dark: #000000;

JSON

{
  "hex": "#643acd",
  "rgb": {
    "r": 100,
    "g": 58,
    "b": 205
  },
  "hsl": {
    "h": 257.143,
    "s": 59.514,
    "l": 51.569
  },
  "oklch": {
    "l": 0.48971,
    "c": 0.21163,
    "h": 289.2
  },
  "luminance": 0.10143
}

Semantic roles & 50–950 ramp

primary

#643ACD

secondary

#BFD291

accent

#E345B6

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #643ACD

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

Preview Lab → · Contrast checker → · Palette generator →