#642FA5#642FA5

#642FA5 is a dark, vivid violet. Relative luminance 0.075; OKLCH L 44.2% C 0.179 H 299.5°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#642FA5
RGB	rgb(100, 47, 165)
HSL	hsl(267, 56%, 42%)
HSV	hsv(267, 72%, 65%)
CMYK	cmyk(39.4%, 71.5%, 0%, 35.3%)
CIE-LAB	lab(32.83, 47.55, -54.54)
CIE-LCH	lch(32.83, 72.36, 311.08°)
OKLab	oklab(44.21% 0.088 -0.1557)
OKLCH	oklch(44.21% 0.179 299.5)
XYZ	xyz(13.0619, 7.4588, 36.3415)
Luminance	0.0746 (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

#642FA5 #70A52F

analogous

#2F35A5 #642FA5 #9F2FA5

triadic

#642FA5 #A5642F #2FA564

tetradic

#642FA5 #A52F35 #70A52F #2FA59F

square

#642FA5 #A52F35 #70A52F #2FA59F

split-complementary

#642FA5 #A59F2F #35A52F

monochromatic

#2A1446 #472175 #642FA5 #8247CB #A276D8

Accessibility & contrast

On white

8.43

#642FA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#642FA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642FA5

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642FA5	#FFFFFF	#000000	##FFFFFF
##642FA5	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA8

Deuteranopia (green-blind)

#004CA3

Tritanopia (blue-blind)

#554C67

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #642fa5;
/* rgb */ color: rgb(100, 47, 165);
/* oklch */ color: oklch(44.2% 0.179 299.5);

Tailwind

colors: {
  custom: {
    50: '#966cc1',
    500: '#642fa5',
    950: '#000000',
  },
}

SCSS

$custom: #642fa5;
$custom-light: #966cc1;
$custom-dark: #000000;

JSON

{
  "hex": "#642fa5",
  "rgb": {
    "r": 100,
    "g": 47,
    "b": 165
  },
  "hsl": {
    "h": 266.949,
    "s": 55.66,
    "l": 41.569
  },
  "oklch": {
    "l": 0.44205,
    "c": 0.17881,
    "h": 299.5
  },
  "luminance": 0.07459
}

Semantic roles & 50–950 ramp

primary

#642FA5

secondary

#9CC070

accent

#DF499C

background

#F9F6FB

surface

#F2ECF7

border

#CCC7D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642FA5

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

Preview Lab → · Contrast checker → · Palette generator →