#642F8D#642F8D

#642F8D is a dark, vivid violet. Relative luminance 0.067; OKLCH L 42.4% C 0.152 H 307.0°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#642F8D
RGB	rgb(100, 47, 141)
HSL	hsl(274, 50%, 37%)
HSV	hsv(274, 67%, 55%)
CMYK	cmyk(29.1%, 66.7%, 0%, 44.7%)
CIE-LAB	lab(31.03, 41.51, -42.82)
CIE-LCH	lch(31.03, 59.64, 314.11°)
OKLab	oklab(42.35% 0.0912 -0.1212)
OKLCH	oklch(42.35% 0.152 307)
XYZ	xyz(11.0787, 6.6656, 25.8971)
Luminance	0.0667 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642F8D #588D2F

analogous

#352F8D #642F8D #8D2F87

triadic

#642F8D #8D642F #2F8D64

tetradic

#642F8D #8D352F #588D2F #2F878D

square

#642F8D #8D352F #588D2F #2F878D

split-complementary

#642F8D #878D2F #2F8D35

monochromatic

#231031 #43205F #642F8D #853EBB #A269CD

Accessibility & contrast

On white

9.00

#642F8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#642F8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642F8D

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642F8D	#FFFFFF	#000000	##FFFFFF
##642F8D	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004790

Deuteranopia (green-blind)

#1A498B

Tritanopia (blue-blind)

#5D435A

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #642f8d;
/* rgb */ color: rgb(100, 47, 141);
/* oklch */ color: oklch(42.4% 0.152 307.0);

Tailwind

colors: {
  custom: {
    50: '#946baf',
    500: '#642f8d',
    950: '#000000',
  },
}

SCSS

$custom: #642f8d;
$custom-light: #946baf;
$custom-dark: #000000;

JSON

{
  "hex": "#642f8d",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 141
  },
  "hsl": {
    "h": 273.83,
    "s": 50,
    "l": 36.863
  },
  "oklch": {
    "l": 0.42353,
    "c": 0.15171,
    "h": 307
  },
  "luminance": 0.06665
}

Semantic roles & 50–950 ramp

primary

#642F8D

secondary

#87B464

accent

#DA4E8B

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #642F8D

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

Preview Lab → · Contrast checker → · Palette generator →