#642D7E#642D7E

#642D7E is a dark, vivid purple. Relative luminance 0.061; OKLCH L 41.0% C 0.138 H 313.3°. Best body text is #FFFFFF at 9.47:1 contrast (WCAG AA passes).

Color values

HEX	#642D7E
RGB	rgb(100, 45, 126)
HSL	hsl(281, 47%, 34%)
HSV	hsv(281, 64%, 49%)
CMYK	cmyk(20.6%, 64.3%, 0%, 50.6%)
CIE-LAB	lab(29.65, 38.97, -35.72)
CIE-LCH	lch(29.65, 52.87, 317.50°)
OKLab	oklab(41.03% 0.0945 -0.1004)
OKLCH	oklch(41.03% 0.138 313.3)
XYZ	xyz(9.9592, 6.0927, 20.3860)
Luminance	0.0609 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 8.70

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642D7E #477E2D

analogous

#3B2D7E #642D7E #7E2D6F

triadic

#642D7E #7E642D #2D7E64

tetradic

#642D7E #7E3B2D #477E2D #2D6F7E

square

#642D7E #7E3B2D #477E2D #2D6F7E

split-complementary

#642D7E #6F7E2D #2D7E3B

monochromatic

#1C0D24 #401D51 #642D7E #883DAB #A55FC6

Accessibility & contrast

On white

9.47

#642D7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#642D7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642D7E

9.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642D7E	#FFFFFF	#000000	##FFFFFF
##642D7E	1.00	9.47	2.22	9.47
#FFFFFF	9.47	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E4381

Deuteranopia (green-blind)

#29477C

Tritanopia (blue-blind)

#613C51

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #642d7e;
/* rgb */ color: rgb(100, 45, 126);
/* oklch */ color: oklch(41.0% 0.138 313.3);

Tailwind

colors: {
  custom: {
    50: '#9369a4',
    500: '#642d7e',
    950: '#000000',
  },
}

SCSS

$custom: #642d7e;
$custom-light: #9369a4;
$custom-dark: #000000;

JSON

{
  "hex": "#642d7e",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 126
  },
  "hsl": {
    "h": 280.741,
    "s": 47.368,
    "l": 33.529
  },
  "oklch": {
    "l": 0.41027,
    "c": 0.13783,
    "h": 313.3
  },
  "luminance": 0.06092
}

Semantic roles & 50–950 ramp

primary

#642D7E

secondary

#75AC5A

accent

#D7517C

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D060F

muted

#7E7A7F

Preview Lab

Preview with #642D7E

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

Preview Lab → · Contrast checker → · Palette generator →