#643489#643489

#643489 is a dark, vivid violet. Relative luminance 0.070; OKLCH L 42.8% C 0.140 H 307.6°. Best body text is #FFFFFF at 8.77:1 contrast (WCAG AA passes).

Color values

HEX#643489
RGBrgb(100, 52, 137)
HSLhsl(274, 45%, 37%)
HSVhsv(274, 62%, 54%)
CMYKcmyk(27%, 62%, 0%, 46.3%)
CIE-LABlab(31.74, 37.86, -39.21)
CIE-LCHlch(31.74, 54.51, 314.00°)
OKLaboklab(42.78% 0.0851 -0.1106)
OKLCHoklch(42.78% 0.14 307.6)
XYZxyz(10.9980, 6.9716, 24.4283)
Luminance0.0697 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#643489 #598934
analogous
#393489 #643489 #893484
triadic
#643489 #896434 #348964
tetradic
#643489 #893934 #598934 #348489
square
#643489 #893934 #598934 #348489
split-complementary
#643489 #848934 #348939
monochromatic
#231230 #44235D #643489 #8445B5 #A16FC8

Accessibility & contrast

On white

8.77
#643489 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.39
#643489 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643489
8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##643489#FFFFFF#000000##FFFFFF
##6434891.008.772.398.77
#FFFFFF8.771.0021.001.00
#0000002.3921.001.0021.00
##FFFFFF8.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0E498C
Deuteranopia (green-blind)
#264B87
Tritanopia (blue-blind)
#5E4559
Achromatopsia (no color)
#4B4B4B

Design tokens & code

CSS
--color: #643489;
/* rgb */ color: rgb(100, 52, 137);
/* oklch */ color: oklch(42.8% 0.140 307.6);
Tailwind
colors: {
  custom: {
    50: '#936eac',
    500: '#643489',
    950: '#000000',
  },
}
SCSS
$custom: #643489;
$custom-light: #936eac;
$custom-dark: #000000;
JSON
{
  "hex": "#643489",
  "rgb": {
    "r": 100,
    "g": 52,
    "b": 137
  },
  "hsl": {
    "h": 273.882,
    "s": 44.974,
    "l": 37.059
  },
  "oklch": {
    "l": 0.4278,
    "c": 0.13956,
    "h": 307.6
  },
  "luminance": 0.06971
}

Semantic roles & 50–950 ramp

primary
#643489
secondary
#88B068
accent
#D5538C
background
#F9F6FA
surface
#F2ECF4
border
#CCC7CE
text
#0D0710
muted
#7E7A7F

Preview Lab

Preview with #643489

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

Preview Lab → · Contrast checker → · Palette generator →

#643489 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva