#642A7A#642A7A

#642A7A is a dark, vivid purple. Relative luminance 0.058; OKLCH L 40.4% C 0.138 H 315.5°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#642A7A
RGB	rgb(100, 42, 122)
HSL	hsl(284, 49%, 32%)
HSV	hsv(284, 66%, 48%)
CMYK	cmyk(18%, 65.6%, 0%, 52.2%)
CIE-LAB	lab(28.83, 39.60, -34.51)
CIE-LCH	lch(28.83, 52.53, 318.93°)
OKLab	oklab(40.35% 0.0985 -0.0968)
OKLCH	oklch(40.35% 0.138 315.5)
XYZ	xyz(9.5958, 5.7707, 19.0170)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 8.23

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642A7A #407A2A

analogous

#3C2A7A #642A7A #7A2A68

triadic

#642A7A #7A642A #2A7A64

tetradic

#642A7A #7A3C2A #407A2A #2A687A

square

#642A7A #7A3C2A #407A2A #2A687A

split-complementary

#642A7A #687A2A #2A7A3C

monochromatic

#190B1F #3F1A4C #642A7A #893AA8 #A859C6

Accessibility & contrast

On white

9.75

#642A7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#642A7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642A7A

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642A7A	#FFFFFF	#000000	##FFFFFF
##642A7A	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D417C

Deuteranopia (green-blind)

#294678

Tritanopia (blue-blind)

#62394E

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #642a7a;
/* rgb */ color: rgb(100, 42, 122);
/* oklch */ color: oklch(40.4% 0.138 315.5);

Tailwind

colors: {
  custom: {
    50: '#9368a1',
    500: '#642a7a',
    950: '#000000',
  },
}

SCSS

$custom: #642a7a;
$custom-light: #9368a1;
$custom-dark: #000000;

JSON

{
  "hex": "#642a7a",
  "rgb": {
    "r": 100,
    "g": 42,
    "b": 122
  },
  "hsl": {
    "h": 283.5,
    "s": 48.78,
    "l": 32.157
  },
  "oklch": {
    "l": 0.40352,
    "c": 0.13807,
    "h": 315.5
  },
  "luminance": 0.0577
}

Semantic roles & 50–950 ramp

primary

#642A7A

secondary

#6CAB55

accent

#D84F75

background

#F9F6F9

surface

#F2EBF2

border

#CCC6CC

text

#0D060F

muted

#7E7A7E

Preview Lab

Preview with #642A7A

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

Preview Lab → · Contrast checker → · Palette generator →