#642D9F#642D9F

#642D9F is a dark, vivid violet. Relative luminance 0.071; OKLCH L 43.5% C 0.175 H 301.5°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#642D9F
RGB	rgb(100, 45, 159)
HSL	hsl(269, 56%, 40%)
HSV	hsv(269, 72%, 62%)
CMYK	cmyk(37.1%, 71.7%, 0%, 37.6%)
CIE-LAB	lab(32.01, 47.00, -52.25)
CIE-LCH	lch(32.01, 70.28, 311.97°)
OKLab	oklab(43.47% 0.0911 -0.1489)
OKLCH	oklch(43.47% 0.175 301.5)
XYZ	xyz(12.4504, 7.0892, 33.5066)
Luminance	0.0709 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642D9F #689F2D

analogous

#2D2F9F #642D9F #9D2D9F

triadic

#642D9F #9F642D #2D9F64

tetradic

#642D9F #9F2D2F #689F2D #2D9F9D

square

#642D9F #9F2D2F #689F2D #2D9F9D

split-complementary

#642D9F #9F9D2D #2F9F2D

monochromatic

#281240 #46206F #642D9F #8240C9 #A170D6

Accessibility & contrast

On white

8.69

#642D9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#642D9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642D9F

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642D9F	#FFFFFF	#000000	##FFFFFF
##642D9F	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA2

Deuteranopia (green-blind)

#004B9D

Tritanopia (blue-blind)

#574863

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #642d9f;
/* rgb */ color: rgb(100, 45, 159);
/* oklch */ color: oklch(43.5% 0.175 301.5);

Tailwind

colors: {
  custom: {
    50: '#956bbc',
    500: '#642d9f',
    950: '#000000',
  },
}

SCSS

$custom: #642d9f;
$custom-light: #956bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#642d9f",
  "rgb": {
    "r": 100,
    "g": 45,
    "b": 159
  },
  "hsl": {
    "h": 268.947,
    "s": 55.882,
    "l": 40
  },
  "oklch": {
    "l": 0.43474,
    "c": 0.17458,
    "h": 301.5
  },
  "luminance": 0.07089
}

Semantic roles & 50–950 ramp

primary

#642D9F

secondary

#95BE6A

accent

#DF4997

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642D9F

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

Preview Lab → · Contrast checker → · Palette generator →