#641C7B#641C7B

#641C7B is a dark, vivid purple. Relative luminance 0.050; OKLCH L 38.8% C 0.158 H 316.5°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX#641C7B
RGBrgb(100, 28, 123)
HSLhsl(285, 63%, 30%)
HSVhsv(285, 77%, 48%)
CMYKcmyk(18.7%, 77.2%, 0%, 51.8%)
CIE-LABlab(26.65, 46.11, -38.63)
CIE-LCHlch(26.65, 60.16, 320.04°)
OKLaboklab(38.81% 0.1145 -0.1088)
OKLCHoklch(38.81% 0.158 316.5)
XYZxyz(9.2454, 4.9703, 19.2074)
Luminance0.0497 (WCAG relative)
Temperaturecool
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#641C7B #337B1C
analogous
#351C7B #641C7B #7B1C63
triadic
#641C7B #7B641C #1C7B64
tetradic
#641C7B #7B351C #337B1C #1C637B
square
#641C7B #7B351C #337B1C #1C637B
split-complementary
#641C7B #637B1C #1C7B35
monochromatic
#140619 #3B1149 #641C7B #8D27AD #AF3ED3

Accessibility & contrast

On white

10.53
#641C7B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.99
#641C7B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C7B
10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##641C7B#FFFFFF#000000##FFFFFF
##641C7B1.0010.531.9910.53
#FFFFFF10.531.0021.001.00
#0000001.9921.001.0021.00
##FFFFFF10.531.0021.001.00

Color blindness preview

Protanopia (red-blind)
#003B7E
Deuteranopia (green-blind)
#1C4179
Tritanopia (blue-blind)
#63304A
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #641c7b;
/* rgb */ color: rgb(100, 28, 123);
/* oklch */ color: oklch(38.8% 0.158 316.5);
Tailwind
colors: {
  custom: {
    50: '#9461a2',
    500: '#641c7b',
    950: '#000000',
  },
}
SCSS
$custom: #641c7b;
$custom-light: #9461a2;
$custom-dark: #000000;
JSON
{
  "hex": "#641c7b",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 123
  },
  "hsl": {
    "h": 285.474,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.38814,
    "c": 0.15796,
    "h": 316.5
  },
  "luminance": 0.0497
}

Semantic roles & 50–950 ramp

primary
#641C7B
secondary
#5EAF44
accent
#E6426A
background
#F9F5FA
surface
#F2EAF3
border
#CCC6CD
text
#0D050F
muted
#7E797F

Preview Lab

Preview with #641C7B

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

Preview Lab → · Contrast checker → · Palette generator →

#641C7B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva