#642D83#642D83

#642D83 is a dark, vivid violet. Relative luminance 0.062; OKLCH L 41.4% C 0.143 H 311.1°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#642D83
RGB	rgb(100, 45, 131)
HSL	hsl(278, 49%, 35%)
HSV	hsv(278, 66%, 51%)
CMYK	cmyk(23.7%, 65.6%, 0%, 48.6%)
CIE-LAB	lab(29.97, 40.14, -38.32)
CIE-LCH	lch(29.97, 55.50, 316.33°)
OKLab	oklab(41.37% 0.0943 -0.108)
OKLCH	oklch(41.37% 0.143 311.1)
XYZ	xyz(10.2899, 6.2250, 22.1278)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642D83 #4C832D

analogous

#392D83 #642D83 #832D77

triadic

#642D83 #83642D #2D8364

tetradic

#642D83 #83392D #4C832D #2D7783

square

#642D83 #83392D #4C832D #2D7783

split-complementary

#642D83 #77832D #2D8339

monochromatic

#1E0E28 #411D55 #642D83 #873DB1 #A462C9

Accessibility & contrast

On white

9.35

#642D83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#642D83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642D83

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642D83	#FFFFFF	#000000	##FFFFFF
##642D83	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#024486

Deuteranopia (green-blind)

#244881

Tritanopia (blue-blind)

#603E54

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #642d83;
/* rgb */ color: rgb(100, 45, 131);
/* oklch */ color: oklch(41.4% 0.143 311.1);

Tailwind

colors: {
  custom: {
    50: '#936aa7',
    500: '#642d83',
    950: '#000000',
  },
}

SCSS

$custom: #642d83;
$custom-light: #936aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#642d83",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 131
  },
  "hsl": {
    "h": 278.372,
    "s": 48.864,
    "l": 34.51
  },
  "oklch": {
    "l": 0.4137,
    "c": 0.14339,
    "h": 311.1
  },
  "luminance": 0.06225
}

Semantic roles & 50–950 ramp

primary

#642D83

secondary

#7AAF5C

accent

#D84F81

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D070F

muted

#7E7A7F

Preview Lab

Preview with #642D83

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

Preview Lab → · Contrast checker → · Palette generator →