#641B6B#641B6B

#641B6B is a dark, vivid purple. Relative luminance 0.046; OKLCH L 37.6% C 0.144 H 324.1°. Best body text is #FFFFFF at 10.99:1 contrast (WCAG AA passes).

Color values

HEX#641B6B
RGBrgb(100, 27, 107)
HSLhsl(295, 60%, 26%)
HSVhsv(295, 75%, 42%)
CMYKcmyk(6.5%, 74.8%, 0%, 58%)
CIE-LABlab(25.43, 43.27, -30.35)
CIE-LCHlch(25.43, 52.85, 324.95°)
OKLaboklab(37.6% 0.1169 -0.0845)
OKLCHoklch(37.6% 0.144 324.1)
XYZxyz(8.3011, 4.5552, 14.3491)
Luminance0.0456 (WCAG relative)
Temperatureneutral
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#641B6B #226B1B
analogous
#3C1B6B #641B6B #6B1B4A
triadic
#641B6B #6B641B #1B6B64
tetradic
#641B6B #6B3C1B #226B1B #1B4A6B
square
#641B6B #6B3C1B #226B1B #1B4A6B
split-complementary
#641B6B #4A6B1B #1B6B3C
monochromatic
#170618 #360F3A #641B6B #92279C #BF35CC

Accessibility & contrast

On white

10.99
#641B6B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.91
#641B6B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B6B
10.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##641B6B#FFFFFF#000000##FFFFFF
##641B6B1.0010.991.9110.99
#FFFFFF10.991.0021.001.00
#0000001.9121.001.0021.00
##FFFFFF10.991.0021.001.00

Color blindness preview

Protanopia (red-blind)
#03376D
Deuteranopia (green-blind)
#2A3F69
Tritanopia (blue-blind)
#662941
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #641b6b;
/* rgb */ color: rgb(100, 27, 107);
/* oklch */ color: oklch(37.6% 0.144 324.1);
Tailwind
colors: {
  custom: {
    50: '#935f96',
    500: '#641b6b',
    950: '#000000',
  },
}
SCSS
$custom: #641b6b;
$custom-light: #935f96;
$custom-dark: #000000;
JSON
{
  "hex": "#641b6b",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 107
  },
  "hsl": {
    "h": 294.75,
    "s": 59.701,
    "l": 26.275
  },
  "oklch": {
    "l": 0.37597,
    "c": 0.14429,
    "h": 324.1
  },
  "luminance": 0.04555
}

Semantic roles & 50–950 ramp

primary
#641B6B
secondary
#4AA042
accent
#E34553
background
#F9F5F9
surface
#F2EAF2
border
#CCC6CC
text
#0D050D
muted
#7E797E

Preview Lab

Preview with #641B6B

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

Preview Lab → · Contrast checker → · Palette generator →

#641B6B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva