#643ECD#643ECD

#643ECD is a mid, highly saturated violet. Relative luminance 0.106; OKLCH L 49.5% C 0.207 H 288.6°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#643ECD
RGB	rgb(100, 62, 205)
HSL	hsl(256, 59%, 52%)
HSV	hsv(256, 70%, 80%)
CMYK	cmyk(51.2%, 69.8%, 0%, 19.6%)
CIE-LAB	lab(38.83, 50.76, -68.36)
CIE-LCH	lch(38.83, 85.15, 306.59°)
OKLab	oklab(49.49% 0.0662 -0.1963)
OKLCH	oklch(49.49% 0.207 288.6)
XYZ	xyz(17.9944, 10.5615, 58.8362)
Luminance	0.1056 (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

#643ECD #A7CD3E

analogous

#3E60CD #643ECD #AC3ECD

triadic

#643ECD #CD643E #3ECD64

tetradic

#643ECD #CD3E60 #A7CD3E #3ECDAC

square

#643ECD #CD3E60 #A7CD3E #3ECDAC

split-complementary

#643ECD #CDAC3E #60CD3E

monochromatic

#341E73 #4B2AA3 #643ECD #8B6FDA #B29FE6

Accessibility & contrast

On white

6.75

#643ECD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#643ECD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643ECD

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643ECD	#FFFFFF	#000000	##FFFFFF
##643ECD	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ED1

Deuteranopia (green-blind)

#0058CA

Tritanopia (blue-blind)

#3D6381

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #643ecd;
/* rgb */ color: rgb(100, 62, 205);
/* oklch */ color: oklch(49.5% 0.207 288.6);

Tailwind

colors: {
  custom: {
    50: '#9a76dd',
    500: '#643ecd',
    950: '#000000',
  },
}

SCSS

$custom: #643ecd;
$custom-light: #9a76dd;
$custom-dark: #000000;

JSON

{
  "hex": "#643ecd",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 205
  },
  "hsl": {
    "h": 255.944,
    "s": 58.848,
    "l": 52.353
  },
  "oklch": {
    "l": 0.49494,
    "c": 0.20719,
    "h": 288.6
  },
  "luminance": 0.10562
}

Semantic roles & 50–950 ramp

primary

#643ECD

secondary

#C2D394

accent

#E246B9

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #643ECD

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

Preview Lab → · Contrast checker → · Palette generator →