#642E83#642E83

#642E83 is a dark, vivid violet. Relative luminance 0.063; OKLCH L 41.5% C 0.142 H 311.0°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#642E83
RGB	rgb(100, 46, 131)
HSL	hsl(278, 48%, 35%)
HSV	hsv(278, 65%, 51%)
CMYK	cmyk(23.7%, 64.9%, 0%, 48.6%)
CIE-LAB	lab(30.16, 39.62, -38.02)
CIE-LCH	lch(30.16, 54.91, 316.18°)
OKLab	oklab(41.51% 0.093 -0.1071)
OKLCH	oklch(41.51% 0.142 311)
XYZ	xyz(10.3285, 6.3022, 22.1407)
Luminance	0.0630 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642E83 #4D832E

analogous

#3A2E83 #642E83 #832E78

triadic

#642E83 #83642E #2E8364

tetradic

#642E83 #833A2E #4D832E #2E7883

square

#642E83 #833A2E #4D832E #2E7883

split-complementary

#642E83 #78832E #2E833A

monochromatic

#1F0E28 #411E56 #642E83 #873EB0 #A363C8

Accessibility & contrast

On white

9.29

#642E83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#642E83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642E83

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642E83	#FFFFFF	#000000	##FFFFFF
##642E83	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#054486

Deuteranopia (green-blind)

#254881

Tritanopia (blue-blind)

#603F54

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #642e83;
/* rgb */ color: rgb(100, 46, 131);
/* oklch */ color: oklch(41.5% 0.142 311.0);

Tailwind

colors: {
  custom: {
    50: '#936aa7',
    500: '#642e83',
    950: '#000000',
  },
}

SCSS

$custom: #642e83;
$custom-light: #936aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#642e83",
  "rgb": {
    "r": 100,
    "g": 46,
    "b": 131
  },
  "hsl": {
    "h": 278.118,
    "s": 48.023,
    "l": 34.706
  },
  "oklch": {
    "l": 0.41507,
    "c": 0.14188,
    "h": 311
  },
  "luminance": 0.06302
}

Semantic roles & 50–950 ramp

primary

#642E83

secondary

#7BAF5E

accent

#D85082

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D070F

muted

#7E7A7F

Preview Lab

Preview with #642E83

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

Preview Lab → · Contrast checker → · Palette generator →