#642A87#642A87

#642A87 is a dark, vivid violet. Relative luminance 0.061; OKLCH L 41.3% C 0.152 H 310.0°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#642A87
RGB	rgb(100, 42, 135)
HSL	hsl(277, 53%, 35%)
HSV	hsv(277, 69%, 53%)
CMYK	cmyk(25.9%, 68.9%, 0%, 47.1%)
CIE-LAB	lab(29.70, 42.59, -41.25)
CIE-LCH	lch(29.70, 59.30, 315.92°)
OKLab	oklab(41.26% 0.0978 -0.1166)
OKLCH	oklch(41.26% 0.152 310)
XYZ	xyz(10.4558, 6.1147, 23.5464)
Luminance	0.0612 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642A87 #4D872A

analogous

#352A87 #642A87 #872A7C

triadic

#642A87 #87642A #2A8764

tetradic

#642A87 #87352A #4D872A #2A7C87

square

#642A87 #87352A #4D872A #2A7C87

split-complementary

#642A87 #7C872A #2A8735

monochromatic

#1F0D2A #411B58 #642A87 #8739B6 #A35ECD

Accessibility & contrast

On white

9.45

#642A87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#642A87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642A87

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642A87	#FFFFFF	#000000	##FFFFFF
##642A87	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438A

Deuteranopia (green-blind)

#1C4785

Tritanopia (blue-blind)

#5F3D55

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #642a87;
/* rgb */ color: rgb(100, 42, 135);
/* oklch */ color: oklch(41.3% 0.152 310.0);

Tailwind

colors: {
  custom: {
    50: '#9468aa',
    500: '#642a87',
    950: '#000000',
  },
}

SCSS

$custom: #642a87;
$custom-light: #9468aa;
$custom-dark: #000000;

JSON

{
  "hex": "#642a87",
  "rgb": {
    "r": 100,
    "g": 42,
    "b": 135
  },
  "hsl": {
    "h": 277.419,
    "s": 52.542,
    "l": 34.706
  },
  "oklch": {
    "l": 0.41261,
    "c": 0.15214,
    "h": 310
  },
  "luminance": 0.06115
}

Semantic roles & 50–950 ramp

primary

#642A87

secondary

#7BB35A

accent

#DC4C82

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0D0610

muted

#7E7A7F

Preview Lab

Preview with #642A87

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

Preview Lab → · Contrast checker → · Palette generator →