#642F84#642F84

#642F84 is a dark, vivid violet. Relative luminance 0.064; OKLCH L 41.7% C 0.141 H 310.4°. Best body text is #FFFFFF at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#642F84
RGB	rgb(100, 47, 132)
HSL	hsl(277, 47%, 35%)
HSV	hsv(277, 64%, 52%)
CMYK	cmyk(24.2%, 64.4%, 0%, 48.2%)
CIE-LAB	lab(30.42, 39.34, -38.23)
CIE-LCH	lch(30.42, 54.85, 315.82°)
OKLab	oklab(41.72% 0.0917 -0.1077)
OKLCH	oklch(41.72% 0.141 310.4)
XYZ	xyz(10.4361, 6.4085, 22.5125)
Luminance	0.0641 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642F84 #4F842F

analogous

#3A2F84 #642F84 #842F79

triadic

#642F84 #84642F #2F8464

tetradic

#642F84 #843A2F #4F842F #2F7984

square

#642F84 #843A2F #4F842F #2F7984

split-complementary

#642F84 #79842F #2F843A

monochromatic

#200F2A #421F57 #642F84 #863FB1 #A365C8

Accessibility & contrast

On white

9.20

#642F84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#642F84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642F84

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642F84	#FFFFFF	#000000	##FFFFFF
##642F84	1.00	9.20	2.28	9.20
#FFFFFF	9.20	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#074587

Deuteranopia (green-blind)

#254982

Tritanopia (blue-blind)

#604055

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #642f84;
/* rgb */ color: rgb(100, 47, 132);
/* oklch */ color: oklch(41.7% 0.141 310.4);

Tailwind

colors: {
  custom: {
    50: '#936ba8',
    500: '#642f84',
    950: '#000000',
  },
}

SCSS

$custom: #642f84;
$custom-light: #936ba8;
$custom-dark: #000000;

JSON

{
  "hex": "#642f84",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 132
  },
  "hsl": {
    "h": 277.412,
    "s": 47.486,
    "l": 35.098
  },
  "oklch": {
    "l": 0.41715,
    "c": 0.14148,
    "h": 310.4
  },
  "luminance": 0.06408
}

Semantic roles & 50–950 ramp

primary

#642F84

secondary

#7EAF60

accent

#D75183

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D0710

muted

#7E7A7F

Preview Lab

Preview with #642F84

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

Preview Lab → · Contrast checker → · Palette generator →