#643DE3#643DE3

#643DE3 is a mid, highly saturated violet. Relative luminance 0.116; OKLCH L 51.3% C 0.234 H 285.5°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#643DE3
RGB	rgb(100, 61, 227)
HSL	hsl(254, 75%, 56%)
HSV	hsv(254, 73%, 89%)
CMYK	cmyk(55.9%, 73.1%, 0%, 11%)
CIE-LAB	lab(40.56, 57.45, -78.17)
CIE-LCH	lch(40.56, 97.01, 306.31°)
OKLab	oklab(51.3% 0.0624 -0.225)
OKLCH	oklch(51.3% 0.234 285.5)
XYZ	xyz(20.7852, 11.5916, 73.8003)
Luminance	0.1159 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643DE3 #BCE33D

analogous

#3D69E3 #643DE3 #B73DE3

triadic

#643DE3 #E3643D #3DE364

tetradic

#643DE3 #E33D69 #BCE33D #3DE3B7

square

#643DE3 #E33D69 #BCE33D #3DE3B7

split-complementary

#643DE3 #E3B73D #69E33D

monochromatic

#321591 #441DC6 #643DE3 #8F72EB #B9A8F2

Accessibility & contrast

On white

6.33

#643DE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#643DE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643DE3

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643DE3	#FFFFFF	#000000	##FFFFFF
##643DE3	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064E8

Deuteranopia (green-blind)

#005BE0

Tritanopia (blue-blind)

#266B8D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #643de3;
/* rgb */ color: rgb(100, 61, 227);
/* oklch */ color: oklch(51.3% 0.234 285.5);

Tailwind

colors: {
  custom: {
    50: '#9d77ed',
    500: '#643de3',
    950: '#000000',
  },
}

SCSS

$custom: #643de3;
$custom-light: #9d77ed;
$custom-dark: #000000;

JSON

{
  "hex": "#643de3",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 227
  },
  "hsl": {
    "h": 254.096,
    "s": 74.775,
    "l": 56.471
  },
  "oklch": {
    "l": 0.51303,
    "c": 0.23354,
    "h": 285.5
  },
  "luminance": 0.11593
}

Semantic roles & 50–950 ramp

primary

#643DE3

secondary

#D0E09C

accent

#F136C5

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100916

muted

#7F7B84

Preview Lab

Preview with #643DE3

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

Preview Lab → · Contrast checker → · Palette generator →