#643EDB#643EDB

#643EDB is a mid, highly saturated violet. Relative luminance 0.113; OKLCH L 50.7% C 0.223 H 286.5°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#643EDB
RGB	rgb(100, 62, 219)
HSL	hsl(255, 69%, 55%)
HSV	hsv(255, 72%, 86%)
CMYK	cmyk(54.3%, 71.7%, 0%, 14.1%)
CIE-LAB	lab(40.03, 54.70, -74.47)
CIE-LCH	lch(40.03, 92.40, 306.30°)
OKLab	oklab(50.71% 0.0634 -0.2142)
OKLCH	oklch(50.71% 0.223 286.5)
XYZ	xyz(19.7605, 11.2680, 68.1378)
Luminance	0.1127 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643EDB #B5DB3E

analogous

#3E67DB #643EDB #B23EDB

triadic

#643EDB #DB643E #3EDB64

tetradic

#643EDB #DB3E67 #B5DB3E #3EDBB2

square

#643EDB #DB3E67 #B5DB3E #3EDBB2

split-complementary

#643EDB #DBB23E #67DB3E

monochromatic

#331986 #4723B9 #643EDB #8D72E5 #B7A5EE

Accessibility & contrast

On white

6.45

#643EDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#643EDB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #643EDB

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643EDB	#FFFFFF	#000000	##FFFFFF
##643EDB	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062E0

Deuteranopia (green-blind)

#005AD8

Tritanopia (blue-blind)

#306889

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #643edb;
/* rgb */ color: rgb(100, 62, 219);
/* oklch */ color: oklch(50.7% 0.223 286.5);

Tailwind

colors: {
  custom: {
    50: '#9c77e7',
    500: '#643edb',
    950: '#000000',
  },
}

SCSS

$custom: #643edb;
$custom-light: #9c77e7;
$custom-dark: #000000;

JSON

{
  "hex": "#643edb",
  "rgb": {
    "r": 100,
    "g": 62,
    "b": 219
  },
  "hsl": {
    "h": 254.522,
    "s": 68.559,
    "l": 55.098
  },
  "oklch": {
    "l": 0.50711,
    "c": 0.22342,
    "h": 286.5
  },
  "luminance": 0.11269
}

Semantic roles & 50–950 ramp

primary

#643EDB

secondary

#CBDB99

accent

#EB3CC1

background

#FAF7FE

surface

#F4EDFD

border

#CEC8D5

text

#0F0916

muted

#7F7B84

Preview Lab

Preview with #643EDB

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

Preview Lab → · Contrast checker → · Palette generator →