#642E9B#642E9B

#642E9B is a dark, vivid violet. Relative luminance 0.070; OKLCH L 43.3% C 0.169 H 302.5°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#642E9B
RGB	rgb(100, 46, 155)
HSL	hsl(270, 54%, 39%)
HSV	hsv(270, 70%, 61%)
CMYK	cmyk(35.5%, 70.3%, 0%, 39.2%)
CIE-LAB	lab(31.87, 45.50, -50.04)
CIE-LCH	lch(31.87, 67.63, 312.28°)
OKLab	oklab(43.28% 0.0907 -0.1424)
OKLCH	oklch(43.28% 0.169 302.5)
XYZ	xyz(12.1475, 7.0299, 31.7209)
Luminance	0.0703 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 8.18

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642E9B #659B2E

analogous

#2E2E9B #642E9B #9B2E9B

triadic

#642E9B #9B642E #2E9B64

tetradic

#642E9B #9B2E2E #659B2E #2E9B9B

square

#642E9B #9B2E2E #659B2E #2E9B9B

split-complementary

#642E9B #9B9B2E #2E9B2E

monochromatic

#27123D #46206C #642E9B #8240C6 #A16FD4

Accessibility & contrast

On white

8.73

#642E9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#642E9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642E9B

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642E9B	#FFFFFF	#000000	##FFFFFF
##642E9B	1.00	8.73	2.41	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9E

Deuteranopia (green-blind)

#004B99

Tritanopia (blue-blind)

#594761

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #642e9b;
/* rgb */ color: rgb(100, 46, 155);
/* oklch */ color: oklch(43.3% 0.169 302.5);

Tailwind

colors: {
  custom: {
    50: '#956bb9',
    500: '#642e9b',
    950: '#000000',
  },
}

SCSS

$custom: #642e9b;
$custom-light: #956bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#642e9b",
  "rgb": {
    "r": 100,
    "g": 46,
    "b": 155
  },
  "hsl": {
    "h": 269.725,
    "s": 54.229,
    "l": 39.412
  },
  "oklch": {
    "l": 0.43281,
    "c": 0.16887,
    "h": 302.5
  },
  "luminance": 0.0703
}

Semantic roles & 50–950 ramp

primary

#642E9B

secondary

#93BC69

accent

#DE4A95

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642E9B

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

Preview Lab → · Contrast checker → · Palette generator →