#641699#641699

#641699 is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.7% C 0.192 H 305.8°. Best body text is #FFFFFF at 9.92:1 contrast (WCAG AA passes).

Color values

HEX#641699
RGBrgb(100, 22, 153)
HSLhsl(276, 75%, 34%)
HSVhsv(276, 86%, 60%)
CMYKcmyk(34.6%, 85.6%, 0%, 40%)
CIE-LABlab(28.34, 54.69, -54.58)
CIE-LCHlch(28.34, 77.27, 315.06°)
OKLaboklab(40.74% 0.1123 -0.1556)
OKLCHoklch(40.74% 0.192 305.8)
XYZxyz(11.2909, 5.5831, 30.6136)
Luminance0.0558 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#641699 #4B9916
analogous
#221699 #641699 #99168D
triadic
#641699 #996416 #169964
tetradic
#641699 #992216 #4B9916 #168D99
square
#641699 #992216 #4B9916 #168D99
split-complementary
#641699 #8D9916 #169922
monochromatic
#1E072E #410E63 #641699 #871ECF #A445E4

Accessibility & contrast

On white

9.92
#641699 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.12
#641699 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641699
9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##641699#FFFFFF#000000##FFFFFF
##6416991.009.922.129.92
#FFFFFF9.921.0021.001.00
#0000002.1221.001.0021.00
##FFFFFF9.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#00419C
Deuteranopia (green-blind)
#004397
Tritanopia (blue-blind)
#5A3C5A
Achromatopsia (no color)
#434343

Design tokens & code

CSS
--color: #641699;
/* rgb */ color: rgb(100, 22, 153);
/* oklch */ color: oklch(40.7% 0.192 305.8);
Tailwind
colors: {
  custom: {
    50: '#9660b8',
    500: '#641699',
    950: '#000000',
  },
}
SCSS
$custom: #641699;
$custom-light: #9660b8;
$custom-dark: #000000;
JSON
{
  "hex": "#641699",
  "rgb": {
    "r": 100,
    "g": 22,
    "b": 153
  },
  "hsl": {
    "h": 275.725,
    "s": 74.857,
    "l": 34.314
  },
  "oklch": {
    "l": 0.40742,
    "c": 0.1919,
    "h": 305.8
  },
  "luminance": 0.05583
}

Semantic roles & 50–950 ramp

primary
#641699
secondary
#79C546
accent
#F13682
background
#F9F6FB
surface
#F2EBF6
border
#CCC6D0
text
#0E0511
muted
#7E7A80

Preview Lab

Preview with #641699

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

Preview Lab → · Contrast checker → · Palette generator →

#641699 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva