#642D7C#642D7C

#642D7C is a dark, vivid purple. Relative luminance 0.060; OKLCH L 40.9% C 0.136 H 314.2°. Best body text is #FFFFFF at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#642D7C
RGB	rgb(100, 45, 124)
HSL	hsl(282, 47%, 33%)
HSV	hsv(282, 64%, 49%)
CMYK	cmyk(19.4%, 63.7%, 0%, 51.4%)
CIE-LAB	lab(29.52, 38.51, -34.67)
CIE-LCH	lch(29.52, 51.82, 318.01°)
OKLab	oklab(40.89% 0.0945 -0.0973)
OKLCH	oklch(40.89% 0.136 314.2)
XYZ	xyz(9.8314, 6.0416, 19.7131)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 8.74

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642D7C #457C2D

analogous

#3C2D7C #642D7C #7C2D6C

triadic

#642D7C #7C642D #2D7C64

tetradic

#642D7C #7C3C2D #457C2D #2D6C7C

square

#642D7C #7C3C2D #457C2D #2D6C7C

split-complementary

#642D7C #6C7C2D #2D7C3C

monochromatic

#1C0C22 #401D4F #642D7C #883DA9 #A65FC5

Accessibility & contrast

On white

9.51

#642D7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#642D7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642D7C

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642D7C	#FFFFFF	#000000	##FFFFFF
##642D7C	1.00	9.51	2.21	9.51
#FFFFFF	9.51	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11427E

Deuteranopia (green-blind)

#2A477A

Tritanopia (blue-blind)

#623B50

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #642d7c;
/* rgb */ color: rgb(100, 45, 124);
/* oklch */ color: oklch(40.9% 0.136 314.2);

Tailwind

colors: {
  custom: {
    50: '#9369a2',
    500: '#642d7c',
    950: '#000000',
  },
}

SCSS

$custom: #642d7c;
$custom-light: #9369a2;
$custom-dark: #000000;

JSON

{
  "hex": "#642d7c",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 124
  },
  "hsl": {
    "h": 281.772,
    "s": 46.746,
    "l": 33.137
  },
  "oklch": {
    "l": 0.40893,
    "c": 0.13562,
    "h": 314.2
  },
  "luminance": 0.06041
}

Semantic roles & 50–950 ramp

primary

#642D7C

secondary

#72AB5A

accent

#D6517A

background

#F9F6FA

surface

#F2EBF3

border

#CCC6CD

text

#0D060F

muted

#7E7A7F

Preview Lab

Preview with #642D7C

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

Preview Lab → · Contrast checker → · Palette generator →