#643FE3#643FE3

#643FE3 is a mid, highly saturated violet. Relative luminance 0.118; OKLCH L 51.6% C 0.232 H 285.3°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#643FE3
RGB	rgb(100, 63, 227)
HSL	hsl(254, 75%, 57%)
HSV	hsv(254, 72%, 89%)
CMYK	cmyk(55.9%, 72.2%, 0%, 11%)
CIE-LAB	lab(40.91, 56.45, -77.59)
CIE-LCH	lch(40.91, 95.95, 306.04°)
OKLab	oklab(51.55% 0.061 -0.2234)
OKLCH	oklch(51.55% 0.232 285.3)
XYZ	xyz(20.8940, 11.8092, 73.8366)
Luminance	0.1181 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643FE3 #BEE33F

analogous

#3F6CE3 #643FE3 #B63FE3

triadic

#643FE3 #E3643F #3FE364

tetradic

#643FE3 #E33F6C #BEE33F #3FE3B6

square

#643FE3 #E33F6C #BEE33F #3FE3B6

split-complementary

#643FE3 #E3B63F #6CE33F

monochromatic

#321592 #441DC8 #643FE3 #8F74EB #BAAAF3

Accessibility & contrast

On white

6.25

#643FE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#643FE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643FE3

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643FE3	#FFFFFF	#000000	##FFFFFF
##643FE3	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065E8

Deuteranopia (green-blind)

#005BE0

Tritanopia (blue-blind)

#256C8D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #643fe3;
/* rgb */ color: rgb(100, 63, 227);
/* oklch */ color: oklch(51.6% 0.232 285.3);

Tailwind

colors: {
  custom: {
    50: '#9d78ed',
    500: '#643fe3',
    950: '#000000',
  },
}

SCSS

$custom: #643fe3;
$custom-light: #9d78ed;
$custom-dark: #000000;

JSON

{
  "hex": "#643fe3",
  "rgb": {
    "r": 100,
    "g": 63,
    "b": 227
  },
  "hsl": {
    "h": 253.537,
    "s": 74.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.51551,
    "c": 0.23153,
    "h": 285.3
  },
  "luminance": 0.1181
}

Semantic roles & 50–950 ramp

primary

#643FE3

secondary

#D1E09D

accent

#F137C7

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100916

muted

#7F7B84

Preview Lab

Preview with #643FE3

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

Preview Lab → · Contrast checker → · Palette generator →