#642A98#642A98

#642A98 is a dark, vivid violet. Relative luminance 0.066; OKLCH L 42.6% C 0.171 H 304.0°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#642A98
RGB	rgb(100, 42, 152)
HSL	hsl(272, 57%, 38%)
HSV	hsv(272, 72%, 60%)
CMYK	cmyk(34.2%, 72.4%, 0%, 40.4%)
CIE-LAB	lab(30.95, 46.69, -49.71)
CIE-LCH	lch(30.95, 68.19, 313.21°)
OKLab	oklab(42.55% 0.0955 -0.1414)
OKLCH	oklch(42.55% 0.171 304)
XYZ	xyz(11.7497, 6.6323, 30.3608)
Luminance	0.0663 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#642A98 #5E982A

analogous

#2D2A98 #642A98 #982A95

triadic

#642A98 #98642A #2A9864

tetradic

#642A98 #982D2A #5E982A #2A9598

square

#642A98 #982D2A #5E982A #2A9598

split-complementary

#642A98 #95982A #2A982D

monochromatic

#251038 #441D68 #642A98 #8437C8 #A167D5

Accessibility & contrast

On white

9.03

#642A98 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#642A98 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #642A98

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##642A98	#FFFFFF	#000000	##FFFFFF
##642A98	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00489B

Deuteranopia (green-blind)

#004996

Tritanopia (blue-blind)

#5A445E

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #642a98;
/* rgb */ color: rgb(100, 42, 152);
/* oklch */ color: oklch(42.6% 0.171 304.0);

Tailwind

colors: {
  custom: {
    50: '#9569b7',
    500: '#642a98',
    950: '#000000',
  },
}

SCSS

$custom: #642a98;
$custom-light: #9569b7;
$custom-dark: #000000;

JSON

{
  "hex": "#642a98",
  "rgb": {
    "r": 100,
    "g": 42,
    "b": 152
  },
  "hsl": {
    "h": 271.636,
    "s": 56.701,
    "l": 38.039
  },
  "oklch": {
    "l": 0.42553,
    "c": 0.17063,
    "h": 304
  },
  "luminance": 0.06632
}

Semantic roles & 50–950 ramp

primary

#642A98

secondary

#8CBB62

accent

#E04890

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0711

muted

#7E7A80

Preview Lab

Preview with #642A98

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

Preview Lab → · Contrast checker → · Palette generator →