#641B89#641B89

#641B89 is a dark, vivid violet. Relative luminance 0.053; OKLCH L 39.8% C 0.172 H 310.9°. Best body text is #FFFFFF at 10.20:1 contrast (WCAG AA passes).

Color values

HEX#641B89
RGBrgb(100, 27, 137)
HSLhsl(280, 67%, 32%)
HSVhsv(280, 80%, 54%)
CMYKcmyk(27%, 80.3%, 0%, 46.3%)
CIE-LABlab(27.57, 49.50, -45.94)
CIE-LCHlch(27.57, 67.53, 317.14°)
OKLaboklab(39.8% 0.113 -0.1302)
OKLCHoklch(39.8% 0.172 310.9)
XYZxyz(10.1619, 5.2996, 24.1497)
Luminance0.0530 (WCAG relative)
Temperaturecool
Familyviolet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#641B89 #40891B
analogous
#2D1B89 #641B89 #891B77
triadic
#641B89 #89641B #1B8964
tetradic
#641B89 #892D1B #40891B #1B7789
square
#641B89 #892D1B #40891B #1B7789
split-complementary
#641B89 #77891B #1B892D
monochromatic
#190723 #3F1156 #641B89 #8925BC #A844DA

Accessibility & contrast

On white

10.20
#641B89 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.06
#641B89 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B89
10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##641B89#FFFFFF#000000##FFFFFF
##641B891.0010.202.0610.20
#FFFFFF10.201.0021.001.00
#0000002.0621.001.0021.00
##FFFFFF10.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003E8C
Deuteranopia (green-blind)
#004287
Tritanopia (blue-blind)
#5F3652
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #641b89;
/* rgb */ color: rgb(100, 27, 137);
/* oklch */ color: oklch(39.8% 0.172 310.9);
Tailwind
colors: {
  custom: {
    50: '#9561ac',
    500: '#641b89',
    950: '#000000',
  },
}
SCSS
$custom: #641b89;
$custom-light: #9561ac;
$custom-dark: #000000;
JSON
{
  "hex": "#641b89",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 137
  },
  "hsl": {
    "h": 279.818,
    "s": 67.073,
    "l": 32.157
  },
  "oklch": {
    "l": 0.39797,
    "c": 0.1724,
    "h": 310.9
  },
  "luminance": 0.05299
}

Semantic roles & 50–950 ramp

primary
#641B89
secondary
#6CBC44
accent
#EA3E78
background
#F9F6FA
surface
#F2EBF4
border
#CCC6CE
text
#0E0510
muted
#7E7A7F

Preview Lab

Preview with #641B89

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

Preview Lab → · Contrast checker → · Palette generator →

#641B89 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva