#642A7D#642A7D

#642A7D is a dark, vivid purple. Relative luminance 0.058; OKLCH L 40.6% C 0.141 H 314.1°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#642A7D
RGB	rgb(100, 42, 125)
HSL	hsl(282, 50%, 33%)
HSV	hsv(282, 66%, 49%)
CMYK	cmyk(20%, 66.4%, 0%, 51%)
CIE-LAB	lab(29.02, 40.28, -36.09)
CIE-LCH	lch(29.02, 54.08, 318.14°)
OKLab	oklab(40.56% 0.0984 -0.1014)
OKLCH	oklch(40.56% 0.141 314.1)
XYZ	xyz(9.7845, 5.8462, 20.0111)
Luminance	0.0585 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 8.14

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642A7D #437D2A

analogous

#3B2A7D #642A7D #7D2A6C

triadic

#642A7D #7D642A #2A7D64

tetradic

#642A7D #7D3B2A #437D2A #2A6C7D

square

#642A7D #7D3B2A #437D2A #2A6C7D

split-complementary

#642A7D #6C7D2A #2A7D3B

monochromatic

#1B0B21 #3F1B4F #642A7D #8939AB #A65AC8

Accessibility & contrast

On white

9.68

#642A7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#642A7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642A7D

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642A7D	#FFFFFF	#000000	##FFFFFF
##642A7D	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#064180

Deuteranopia (green-blind)

#27467B

Tritanopia (blue-blind)

#623A4F

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #642a7d;
/* rgb */ color: rgb(100, 42, 125);
/* oklch */ color: oklch(40.6% 0.141 314.1);

Tailwind

colors: {
  custom: {
    50: '#9368a3',
    500: '#642a7d',
    950: '#000000',
  },
}

SCSS

$custom: #642a7d;
$custom-light: #9368a3;
$custom-dark: #000000;

JSON

{
  "hex": "#642a7d",
  "rgb": {
    "r": 100,
    "g": 42,
    "b": 125
  },
  "hsl": {
    "h": 281.928,
    "s": 49.701,
    "l": 32.745
  },
  "oklch": {
    "l": 0.40555,
    "c": 0.1413,
    "h": 314.1
  },
  "luminance": 0.05846
}

Semantic roles & 50–950 ramp

primary

#642A7D

secondary

#70AD56

accent

#D94F78

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D060F

muted

#7E7A7F

Preview Lab

Preview with #642A7D

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

Preview Lab → · Contrast checker → · Palette generator →