#642D7D#642D7D

#642D7D is a dark, vivid purple. Relative luminance 0.061; OKLCH L 41.0% C 0.137 H 313.7°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#642D7D
RGB	rgb(100, 45, 125)
HSL	hsl(281, 47%, 33%)
HSV	hsv(281, 64%, 49%)
CMYK	cmyk(20%, 64%, 0%, 51%)
CIE-LAB	lab(29.58, 38.74, -35.19)
CIE-LCH	lch(29.58, 52.34, 317.75°)
OKLab	oklab(40.96% 0.0945 -0.0988)
OKLCH	oklch(40.96% 0.137 313.7)
XYZ	xyz(9.8950, 6.0671, 20.0479)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 8.71

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642D7D #467D2D

analogous

#3C2D7D #642D7D #7D2D6E

triadic

#642D7D #7D642D #2D7D64

tetradic

#642D7D #7D3C2D #467D2D #2D6E7D

square

#642D7D #7D3C2D #467D2D #2D6E7D

split-complementary

#642D7D #6E7D2D #2D7D3C

monochromatic

#1C0D23 #401D50 #642D7D #883DAA #A55FC5

Accessibility & contrast

On white

9.49

#642D7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#642D7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642D7D

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642D7D	#FFFFFF	#000000	##FFFFFF
##642D7D	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#10437F

Deuteranopia (green-blind)

#29477B

Tritanopia (blue-blind)

#623C50

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #642d7d;
/* rgb */ color: rgb(100, 45, 125);
/* oklch */ color: oklch(41.0% 0.137 313.7);

Tailwind

colors: {
  custom: {
    50: '#9369a3',
    500: '#642d7d',
    950: '#000000',
  },
}

SCSS

$custom: #642d7d;
$custom-light: #9369a3;
$custom-dark: #000000;

JSON

{
  "hex": "#642d7d",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 125
  },
  "hsl": {
    "h": 281.25,
    "s": 47.059,
    "l": 33.333
  },
  "oklch": {
    "l": 0.4096,
    "c": 0.13672,
    "h": 313.7
  },
  "luminance": 0.06067
}

Semantic roles & 50–950 ramp

primary

#642D7D

secondary

#74AC5A

accent

#D7517B

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D060F

muted

#7E7A7F

Preview Lab

Preview with #642D7D

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

Preview Lab → · Contrast checker → · Palette generator →