#641B7C#641B7C

#641B7C is a dark, vivid purple. Relative luminance 0.049; OKLCH L 38.8% C 0.160 H 316.1°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#641B7C
RGB	rgb(100, 27, 124)
HSL	hsl(285, 64%, 30%)
HSV	hsv(285, 78%, 49%)
CMYK	cmyk(19.4%, 78.2%, 0%, 51.4%)
CIE-LAB	lab(26.59, 46.71, -39.37)
CIE-LCH	lch(26.59, 61.08, 319.88°)
OKLab	oklab(38.79% 0.1154 -0.1109)
OKLCH	oklch(38.79% 0.16 316.1)
XYZ	xyz(9.2850, 4.9488, 19.5310)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B7C #337C1B

analogous

#341B7C #641B7C #7C1B63

triadic

#641B7C #7C641B #1B7C64

tetradic

#641B7C #7C341B #337C1B #1B637C

square

#641B7C #7C341B #337C1B #1B637C

split-complementary

#641B7C #637C1B #1B7C34

monochromatic

#140519 #3B104A #641B7C #8D26AE #AF3DD5

Accessibility & contrast

On white

10.55

#641B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#641B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B7C

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B7C	#FFFFFF	#000000	##FFFFFF
##641B7C	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B7F

Deuteranopia (green-blind)

#1A417A

Tritanopia (blue-blind)

#62304B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #641b7c;
/* rgb */ color: rgb(100, 27, 124);
/* oklch */ color: oklch(38.8% 0.160 316.1);

Tailwind

colors: {
  custom: {
    50: '#9460a2',
    500: '#641b7c',
    950: '#000000',
  },
}

SCSS

$custom: #641b7c;
$custom-light: #9460a2;
$custom-dark: #000000;

JSON

{
  "hex": "#641b7c",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 124
  },
  "hsl": {
    "h": 285.155,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.38794,
    "c": 0.16005,
    "h": 316.1
  },
  "luminance": 0.04948
}

Semantic roles & 50–950 ramp

primary

#641B7C

secondary

#5EB043

accent

#E7416A

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E050F

muted

#7E797F

Preview Lab

Preview with #641B7C

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

Preview Lab → · Contrast checker → · Palette generator →