#643090#643090

#643090 is a dark, vivid violet. Relative luminance 0.068; OKLCH L 42.7% C 0.154 H 305.7°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX#643090
RGBrgb(100, 48, 144)
HSLhsl(273, 50%, 38%)
HSVhsv(273, 67%, 56%)
CMYKcmyk(30.6%, 66.7%, 0%, 43.5%)
CIE-LABlab(31.43, 41.73, -44.03)
CIE-LCHlch(31.43, 60.67, 313.47°)
OKLaboklab(42.71% 0.0898 -0.1247)
OKLCHoklch(42.71% 0.154 305.7)
XYZxyz(11.3454, 6.8369, 27.1021)
Luminance0.0684 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#643090 #5C9030
analogous
#343090 #643090 #90308C
triadic
#643090 #906430 #309064
tetradic
#643090 #903430 #5C9030 #308C90
square
#643090 #903430 #5C9030 #308C90
split-complementary
#643090 #8C9030 #309034
monochromatic
#241134 #442162 #643090 #843FBE #A16CCE

Accessibility & contrast

On white

8.87
#643090 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.37
#643090 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643090
8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##643090#FFFFFF#000000##FFFFFF
##6430901.008.872.378.87
#FFFFFF8.871.0021.001.00
#0000002.3721.001.0021.00
##FFFFFF8.871.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004893
Deuteranopia (green-blind)
#174A8E
Tritanopia (blue-blind)
#5C455B
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #643090;
/* rgb */ color: rgb(100, 48, 144);
/* oklch */ color: oklch(42.7% 0.154 305.7);
Tailwind
colors: {
  custom: {
    50: '#946cb1',
    500: '#643090',
    950: '#000000',
  },
}
SCSS
$custom: #643090;
$custom-light: #946cb1;
$custom-dark: #000000;
JSON
{
  "hex": "#643090",
  "rgb": {
    "r": 100,
    "g": 48,
    "b": 144
  },
  "hsl": {
    "h": 272.5,
    "s": 50,
    "l": 37.647
  },
  "oklch": {
    "l": 0.42708,
    "c": 0.15369,
    "h": 305.7
  },
  "luminance": 0.06837
}

Semantic roles & 50–950 ramp

primary
#643090
secondary
#8BB566
accent
#DA4E8E
background
#F9F6FB
surface
#F2EBF6
border
#CCC6D0
text
#0D0711
muted
#7E7A80

Preview Lab

Preview with #643090

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

Preview Lab → · Contrast checker → · Palette generator →

#643090 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva