#642AA4#642AA4

#642AA4 is a dark, vivid violet. Relative luminance 0.070; OKLCH L 43.5% C 0.184 H 300.5°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#642AA4
RGB	rgb(100, 42, 164)
HSL	hsl(269, 59%, 40%)
HSV	hsv(269, 74%, 64%)
CMYK	cmyk(39%, 74.4%, 0%, 35.7%)
CIE-LAB	lab(31.91, 49.66, -55.44)
CIE-LCH	lch(31.91, 74.43, 311.85°)
OKLab	oklab(43.53% 0.0931 -0.1582)
OKLCH	oklch(43.53% 0.184 300.5)
XYZ	xyz(12.7827, 7.0455, 35.8012)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.28

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642AA4 #6AA42A

analogous

#2A2DA4 #642AA4 #A12AA4

triadic

#642AA4 #A4642A #2AA464

tetradic

#642AA4 #A42A2D #6AA42A #2AA4A1

square

#642AA4 #A42A2D #6AA42A #2AA4A1

split-complementary

#642AA4 #A4A12A #2DA42A

monochromatic

#291143 #461E73 #642AA4 #823ECD #A26EDA

Accessibility & contrast

On white

8.72

#642AA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#642AA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642AA4

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642AA4	#FFFFFF	#000000	##FFFFFF
##642AA4	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA7

Deuteranopia (green-blind)

#004AA2

Tritanopia (blue-blind)

#554965

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #642aa4;
/* rgb */ color: rgb(100, 42, 164);
/* oklch */ color: oklch(43.5% 0.184 300.5);

Tailwind

colors: {
  custom: {
    50: '#9669c0',
    500: '#642aa4',
    950: '#000000',
  },
}

SCSS

$custom: #642aa4;
$custom-light: #9669c0;
$custom-dark: #000000;

JSON

{
  "hex": "#642aa4",
  "rgb": {
    "r": 100,
    "g": 42,
    "b": 164
  },
  "hsl": {
    "h": 268.525,
    "s": 59.223,
    "l": 40.392
  },
  "oklch": {
    "l": 0.43529,
    "c": 0.1836,
    "h": 300.5
  },
  "luminance": 0.07046
}

Semantic roles & 50–950 ramp

primary

#642AA4

secondary

#97C169

accent

#E24598

background

#F9F6FB

surface

#F2EBF7

border

#CCC6D0

text

#0E0712

muted

#7E7A81

Preview Lab

Preview with #642AA4

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

Preview Lab → · Contrast checker → · Palette generator →