#643DE1#643DE1

#643DE1 is a mid, highly saturated violet. Relative luminance 0.115; OKLCH L 51.1% C 0.231 H 285.8°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#643DE1
RGB	rgb(100, 61, 225)
HSL	hsl(254, 73%, 56%)
HSV	hsv(254, 73%, 88%)
CMYK	cmyk(55.6%, 72.9%, 0%, 11.8%)
CIE-LAB	lab(40.38, 56.89, -77.32)
CIE-LCH	lch(40.38, 95.99, 306.34°)
OKLab	oklab(51.12% 0.0629 -0.2226)
OKLCH	oklch(51.12% 0.231 285.8)
XYZ	xyz(20.5108, 11.4819, 72.3550)
Luminance	0.1148 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643DE1 #BAE13D

analogous

#3D68E1 #643DE1 #B63DE1

triadic

#643DE1 #E1643D #3DE164

tetradic

#643DE1 #E13D68 #BAE13D #3DE1B6

square

#643DE1 #E13D68 #BAE13D #3DE1B6

split-complementary

#643DE1 #E1B63D #68E13D

monochromatic

#32168E #451EC3 #643DE1 #8E72E9 #B9A7F1

Accessibility & contrast

On white

6.37

#643DE1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#643DE1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643DE1

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643DE1	#FFFFFF	#000000	##FFFFFF
##643DE1	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E6

Deuteranopia (green-blind)

#005ADE

Tritanopia (blue-blind)

#296A8C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #643de1;
/* rgb */ color: rgb(100, 61, 225);
/* oklch */ color: oklch(51.1% 0.231 285.8);

Tailwind

colors: {
  custom: {
    50: '#9d77ec',
    500: '#643de1',
    950: '#000000',
  },
}

SCSS

$custom: #643de1;
$custom-light: #9d77ec;
$custom-dark: #000000;

JSON

{
  "hex": "#643de1",
  "rgb": {
    "r": 100,
    "g": 61,
    "b": 225
  },
  "hsl": {
    "h": 254.268,
    "s": 73.214,
    "l": 56.078
  },
  "oklch": {
    "l": 0.51122,
    "c": 0.23127,
    "h": 285.8
  },
  "luminance": 0.11483
}

Semantic roles & 50–950 ramp

primary

#643DE1

secondary

#CFDF9B

accent

#F038C4

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#100916

muted

#7F7B84

Preview Lab

Preview with #643DE1

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

Preview Lab → · Contrast checker → · Palette generator →