#642D78#642D78

#642D78 is a dark, vivid purple. Relative luminance 0.059; OKLCH L 40.6% C 0.131 H 316.0°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#642D78
RGB	rgb(100, 45, 120)
HSL	hsl(284, 45%, 32%)
HSV	hsv(284, 63%, 47%)
CMYK	cmyk(16.7%, 62.5%, 0%, 52.9%)
CIE-LAB	lab(29.27, 37.60, -32.54)
CIE-LCH	lch(29.27, 49.73, 319.13°)
OKLab	oklab(40.63% 0.0944 -0.0911)
OKLCH	oklch(40.63% 0.131 316)
XYZ	xyz(9.5836, 5.9425, 18.4078)
Luminance	0.0594 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642D78 #41782D

analogous

#3E2D78 #642D78 #782D67

triadic

#642D78 #78642D #2D7864

tetradic

#642D78 #783E2D #41782D #2D6778

square

#642D78 #783E2D #41782D #2D6778

split-complementary

#642D78 #67782D #2D783E

monochromatic

#1A0C1F #3F1C4B #642D78 #893EA5 #A75DC2

Accessibility & contrast

On white

9.60

#642D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#642D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642D78

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642D78	#FFFFFF	#000000	##FFFFFF
##642D78	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17427A

Deuteranopia (green-blind)

#2D4776

Tritanopia (blue-blind)

#633A4E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #642d78;
/* rgb */ color: rgb(100, 45, 120);
/* oklch */ color: oklch(40.6% 0.131 316.0);

Tailwind

colors: {
  custom: {
    50: '#92699f',
    500: '#642d78',
    950: '#000000',
  },
}

SCSS

$custom: #642d78;
$custom-light: #92699f;
$custom-dark: #000000;

JSON

{
  "hex": "#642d78",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 120
  },
  "hsl": {
    "h": 284,
    "s": 45.455,
    "l": 32.353
  },
  "oklch": {
    "l": 0.40631,
    "c": 0.1312,
    "h": 316
  },
  "luminance": 0.05942
}

Semantic roles & 50–950 ramp

primary

#642D78

secondary

#6EA958

accent

#D55375

background

#F9F6F9

surface

#F1EBF2

border

#CBC6CC

text

#0D060E

muted

#7E7A7E

Preview Lab

Preview with #642D78

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

Preview Lab → · Contrast checker → · Palette generator →