#642E9C#642E9C

#642E9C is a dark, vivid violet. Relative luminance 0.071; OKLCH L 43.4% C 0.170 H 302.2°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#642E9C
RGB	rgb(100, 46, 156)
HSL	hsl(269, 54%, 40%)
HSV	hsv(269, 71%, 61%)
CMYK	cmyk(35.9%, 70.5%, 0%, 38.8%)
CIE-LAB	lab(31.95, 45.75, -50.53)
CIE-LCH	lch(31.95, 68.16, 312.16°)
OKLab	oklab(43.36% 0.0906 -0.1438)
OKLCH	oklch(43.36% 0.17 302.2)
XYZ	xyz(12.2319, 7.0636, 32.1650)
Luminance	0.0706 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 8.03

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642E9C #669C2E

analogous

#2E2F9C #642E9C #9B2E9C

triadic

#642E9C #9C642E #2E9C64

tetradic

#642E9C #9C2E2F #669C2E #2E9C9B

square

#642E9C #9C2E2F #669C2E #2E9C9B

split-complementary

#642E9C #9C9B2E #2F9C2E

monochromatic

#27123D #46206D #642E9C #8240C7 #A170D5

Accessibility & contrast

On white

8.70

#642E9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#642E9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642E9C

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642E9C	#FFFFFF	#000000	##FFFFFF
##642E9C	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9F

Deuteranopia (green-blind)

#004B9A

Tritanopia (blue-blind)

#584861

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #642e9c;
/* rgb */ color: rgb(100, 46, 156);
/* oklch */ color: oklch(43.4% 0.170 302.2);

Tailwind

colors: {
  custom: {
    50: '#956bba',
    500: '#642e9c',
    950: '#000000',
  },
}

SCSS

$custom: #642e9c;
$custom-light: #956bba;
$custom-dark: #000000;

JSON

{
  "hex": "#642e9c",
  "rgb": {
    "r": 100,
    "g": 46,
    "b": 156
  },
  "hsl": {
    "h": 269.455,
    "s": 54.455,
    "l": 39.608
  },
  "oklch": {
    "l": 0.4336,
    "c": 0.16998,
    "h": 302.2
  },
  "luminance": 0.07064
}

Semantic roles & 50–950 ramp

primary

#642E9C

secondary

#94BC6A

accent

#DE4A95

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642E9C

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

Preview Lab → · Contrast checker → · Palette generator →