#643EE0#643EE0

#643EE0 is a mid, highly saturated violet. Relative luminance 0.115; OKLCH L 51.2% C 0.229 H 285.8°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#643EE0
RGB	rgb(100, 62, 224)
HSL	hsl(254, 72%, 56%)
HSV	hsv(254, 72%, 88%)
CMYK	cmyk(55.4%, 72.3%, 0%, 12.2%)
CIE-LAB	lab(40.47, 56.11, -76.61)
CIE-LCH	lch(40.47, 94.96, 306.22°)
OKLab	oklab(51.16% 0.0624 -0.2205)
OKLCH	oklch(51.16% 0.229 285.8)
XYZ	xyz(20.4286, 11.5352, 71.6566)
Luminance	0.1154 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643EE0 #BAE03E

analogous

#3E69E0 #643EE0 #B53EE0

triadic

#643EE0 #E0643E #3EE064

tetradic

#643EE0 #E03E69 #BAE03E #3EE0B5

square

#643EE0 #E03E69 #BAE03E #3EE0B5

split-complementary

#643EE0 #E0B53E #69E03E

monochromatic

#32178D #451FC2 #643EE0 #8E73E8 #B9A7F1

Accessibility & contrast

On white

6.35

#643EE0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#643EE0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643EE0

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643EE0	#FFFFFF	#000000	##FFFFFF
##643EE0	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E5

Deuteranopia (green-blind)

#005BDD

Tritanopia (blue-blind)

#2A6A8C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #643ee0;
/* rgb */ color: rgb(100, 62, 224);
/* oklch */ color: oklch(51.2% 0.229 285.8);

Tailwind

colors: {
  custom: {
    50: '#9c77eb',
    500: '#643ee0',
    950: '#000000',
  },
}

SCSS

$custom: #643ee0;
$custom-light: #9c77eb;
$custom-dark: #000000;

JSON

{
  "hex": "#643ee0",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 224
  },
  "hsl": {
    "h": 254.074,
    "s": 72.321,
    "l": 56.078
  },
  "oklch": {
    "l": 0.51157,
    "c": 0.22913,
    "h": 285.8
  },
  "luminance": 0.11536
}

Semantic roles & 50–950 ramp

primary

#643EE0

secondary

#CFDE9B

accent

#EF39C4

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100916

muted

#7F7B84

Preview Lab

Preview with #643EE0

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

Preview Lab → · Contrast checker → · Palette generator →