#643ECA#643ECA

#643ECA is a mid, highly saturated violet. Relative luminance 0.104; OKLCH L 49.2% C 0.204 H 289.1°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#643ECA
RGB	rgb(100, 62, 202)
HSL	hsl(256, 57%, 52%)
HSV	hsv(256, 69%, 79%)
CMYK	cmyk(50.5%, 69.3%, 0%, 20.8%)
CIE-LAB	lab(38.58, 49.91, -67.03)
CIE-LCH	lch(38.58, 83.57, 306.67°)
OKLab	oklab(49.24% 0.0668 -0.1924)
OKLCH	oklch(49.24% 0.204 289.1)
XYZ	xyz(17.6357, 10.4181, 56.9473)
Luminance	0.1042 (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

#643ECA #A4CA3E

analogous

#3E5ECA #643ECA #AA3ECA

triadic

#643ECA #CA643E #3ECA64

tetradic

#643ECA #CA3E5E #A4CA3E #3ECAAA

square

#643ECA #CA3E5E #A4CA3E #3ECAAA

split-complementary

#643ECA #CAAA3E #5ECA3E

monochromatic

#341F6F #4B2C9F #643ECA #8B6ED7 #B19EE4

Accessibility & contrast

On white

6.81

#643ECA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#643ECA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643ECA

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643ECA	#FFFFFF	#000000	##FFFFFF
##643ECA	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ECE

Deuteranopia (green-blind)

#0057C7

Tritanopia (blue-blind)

#40627F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #643eca;
/* rgb */ color: rgb(100, 62, 202);
/* oklch */ color: oklch(49.2% 0.204 289.1);

Tailwind

colors: {
  custom: {
    50: '#9976db',
    500: '#643eca',
    950: '#000000',
  },
}

SCSS

$custom: #643eca;
$custom-light: #9976db;
$custom-dark: #000000;

JSON

{
  "hex": "#643eca",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 202
  },
  "hsl": {
    "h": 256.286,
    "s": 56.911,
    "l": 51.765
  },
  "oklch": {
    "l": 0.49239,
    "c": 0.20366,
    "h": 289.1
  },
  "luminance": 0.10419
}

Semantic roles & 50–950 ramp

primary

#643ECA

secondary

#C0D193

accent

#E048B7

background

#FAF7FD

surface

#F3EDFB

border

#CDC8D4

text

#0F0915

muted

#7F7B83

Preview Lab

Preview with #643ECA

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

Preview Lab → · Contrast checker → · Palette generator →