#642F9F#642F9F

#642F9F is a dark, vivid violet. Relative luminance 0.072; OKLCH L 43.7% C 0.172 H 301.2°. Best body text is #FFFFFF at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#642F9F
RGB	rgb(100, 47, 159)
HSL	hsl(268, 54%, 40%)
HSV	hsv(268, 70%, 62%)
CMYK	cmyk(37.1%, 70.4%, 0%, 37.6%)
CIE-LAB	lab(32.36, 46.02, -51.68)
CIE-LCH	lch(32.36, 69.20, 311.68°)
OKLab	oklab(43.72% 0.089 -0.1472)
OKLCH	oklch(43.72% 0.172 301.2)
XYZ	xyz(12.5285, 7.2455, 33.5326)
Luminance	0.0725 (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

#642F9F #6A9F2F

analogous

#2F329F #642F9F #9C2F9F

triadic

#642F9F #9F642F #2F9F64

tetradic

#642F9F #9F2F32 #6A9F2F #2F9F9C

square

#642F9F #9F2F32 #6A9F2F #2F9F9C

split-complementary

#642F9F #9F9C2F #329F2F

monochromatic

#291341 #462170 #642F9F #8244C8 #A273D6

Accessibility & contrast

On white

8.57

#642F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#642F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642F9F

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642F9F	#FFFFFF	#000000	##FFFFFF
##642F9F	1.00	8.57	2.45	8.57
#FFFFFF	8.57	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA2

Deuteranopia (green-blind)

#004B9D

Tritanopia (blue-blind)

#574A63

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #642f9f;
/* rgb */ color: rgb(100, 47, 159);
/* oklch */ color: oklch(43.7% 0.172 301.2);

Tailwind

colors: {
  custom: {
    50: '#956cbc',
    500: '#642f9f',
    950: '#000000',
  },
}

SCSS

$custom: #642f9f;
$custom-light: #956cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#642f9f",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 159
  },
  "hsl": {
    "h": 268.393,
    "s": 54.369,
    "l": 40.392
  },
  "oklch": {
    "l": 0.43723,
    "c": 0.17207,
    "h": 301.2
  },
  "luminance": 0.07246
}

Semantic roles & 50–950 ramp

primary

#642F9F

secondary

#97BD6D

accent

#DE4A98

background

#F9F6FB

surface

#F2ECF6

border

#CCC7D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642F9F

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

Preview Lab → · Contrast checker → · Palette generator →