#642A90#642A90

#642A90 is a dark, vivid violet. Relative luminance 0.064; OKLCH L 41.9% C 0.162 H 306.7°. Best body text is #FFFFFF at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#642A90
RGB	rgb(100, 42, 144)
HSL	hsl(274, 55%, 36%)
HSV	hsv(274, 71%, 56%)
CMYK	cmyk(30.6%, 70.8%, 0%, 43.5%)
CIE-LAB	lab(30.35, 44.74, -45.78)
CIE-LCH	lch(30.35, 64.01, 314.34°)
OKLab	oklab(41.93% 0.0967 -0.1299)
OKLCH	oklch(41.93% 0.162 306.7)
XYZ	xyz(11.1165, 6.3790, 27.0258)
Luminance	0.0638 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642A90 #56902A

analogous

#312A90 #642A90 #902A89

triadic

#642A90 #90642A #2A9064

tetradic

#642A90 #90312A #56902A #2A8990

square

#642A90 #90312A #56902A #2A8990

split-complementary

#642A90 #89902A #2A9031

monochromatic

#220E31 #431C61 #642A90 #8538BF #A263D1

Accessibility & contrast

On white

9.23

#642A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#642A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642A90

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642A90	#FFFFFF	#000000	##FFFFFF
##642A90	1.00	9.23	2.28	9.23
#FFFFFF	9.23	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004693

Deuteranopia (green-blind)

#0A488E

Tritanopia (blue-blind)

#5D415A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #642a90;
/* rgb */ color: rgb(100, 42, 144);
/* oklch */ color: oklch(41.9% 0.162 306.7);

Tailwind

colors: {
  custom: {
    50: '#9468b1',
    500: '#642a90',
    950: '#000000',
  },
}

SCSS

$custom: #642a90;
$custom-light: #9468b1;
$custom-dark: #000000;

JSON

{
  "hex": "#642a90",
  "rgb": {
    "r": 100,
    "g": 42,
    "b": 144
  },
  "hsl": {
    "h": 274.118,
    "s": 54.839,
    "l": 36.471
  },
  "oklch": {
    "l": 0.41931,
    "c": 0.16193,
    "h": 306.7
  },
  "luminance": 0.06379
}

Semantic roles & 50–950 ramp

primary

#642A90

secondary

#85B75E

accent

#DE4A8A

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0611

muted

#7E7A80

Preview Lab

Preview with #642A90

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

Preview Lab → · Contrast checker → · Palette generator →