#642CB1#642CB1

#642CB1 is a dark, vivid violet. Relative luminance 0.077; OKLCH L 44.9% C 0.195 H 296.8°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#642CB1
RGB	rgb(100, 44, 177)
HSL	hsl(265, 60%, 43%)
HSV	hsv(265, 75%, 69%)
CMYK	cmyk(43.5%, 75.1%, 0%, 30.6%)
CIE-LAB	lab(33.32, 52.05, -60.94)
CIE-LCH	lch(33.32, 80.14, 310.50°)
OKLab	oklab(44.86% 0.0882 -0.1744)
OKLCH	oklch(44.86% 0.195 296.8)
XYZ	xyz(14.0899, 7.6847, 42.3274)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642CB1 #79B12C

analogous

#2C36B1 #642CB1 #A62CB1

triadic

#642CB1 #B1642C #2CB164

tetradic

#642CB1 #B12C36 #79B12C #2CB1A6

square

#642CB1 #B12C36 #79B12C #2CB1A6

split-complementary

#642CB1 #B1A62C #36B12C

monochromatic

#2D144F #482080 #642CB1 #8249D2 #A47ADE

Accessibility & contrast

On white

8.28

#642CB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#642CB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642CB1

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642CB1	#FFFFFF	#000000	##FFFFFF
##642CB1	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB5

Deuteranopia (green-blind)

#004DAE

Tritanopia (blue-blind)

#504F6D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #642cb1;
/* rgb */ color: rgb(100, 44, 177);
/* oklch */ color: oklch(44.9% 0.195 296.8);

Tailwind

colors: {
  custom: {
    50: '#976bc9',
    500: '#642cb1',
    950: '#000000',
  },
}

SCSS

$custom: #642cb1;
$custom-light: #976bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#642cb1",
  "rgb": {
    "r": 100,
    "g": 44,
    "b": 177
  },
  "hsl": {
    "h": 265.263,
    "s": 60.181,
    "l": 43.333
  },
  "oklch": {
    "l": 0.44857,
    "c": 0.19547,
    "h": 296.8
  },
  "luminance": 0.07685
}

Semantic roles & 50–950 ramp

primary

#642CB1

secondary

#A3C673

accent

#E344A0

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0713

muted

#7E7A82

Preview Lab

Preview with #642CB1

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

Preview Lab → · Contrast checker → · Palette generator →