#641C84#641C84

#641C84 is a dark, vivid purple. Relative luminance 0.052; OKLCH L 39.5% C 0.167 H 312.8°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#641C84
RGB	rgb(100, 28, 132)
HSL	hsl(282, 65%, 31%)
HSV	hsv(282, 79%, 52%)
CMYK	cmyk(24.2%, 78.8%, 0%, 48.2%)
CIE-LAB	lab(27.31, 48.04, -43.23)
CIE-LCH	lch(27.31, 64.63, 318.01°)
OKLab	oklab(39.49% 0.1131 -0.1223)
OKLCH	oklch(39.49% 0.167 312.8)
XYZ	xyz(9.8349, 5.2061, 22.3121)
Luminance	0.0521 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.33

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C84 #3C841C

analogous

#301C84 #641C84 #841C70

triadic

#641C84 #84641C #1C8464

tetradic

#641C84 #84301C #3C841C #1C7084

square

#641C84 #84301C #3C841C #1C7084

split-complementary

#641C84 #70841C #1C8430

monochromatic

#18071F #3E1152 #641C84 #8A27B6 #AA43D7

Accessibility & contrast

On white

10.29

#641C84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#641C84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C84

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C84	#FFFFFF	#000000	##FFFFFF
##641C84	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D87

Deuteranopia (green-blind)

#0D4282

Tritanopia (blue-blind)

#60344F

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #641c84;
/* rgb */ color: rgb(100, 28, 132);
/* oklch */ color: oklch(39.5% 0.167 312.8);

Tailwind

colors: {
  custom: {
    50: '#9461a8',
    500: '#641c84',
    950: '#000000',
  },
}

SCSS

$custom: #641c84;
$custom-light: #9461a8;
$custom-dark: #000000;

JSON

{
  "hex": "#641c84",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 132
  },
  "hsl": {
    "h": 281.538,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.39494,
    "c": 0.16655,
    "h": 312.8
  },
  "luminance": 0.05206
}

Semantic roles & 50–950 ramp

primary

#641C84

secondary

#68B745

accent

#E84074

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #641C84

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

Preview Lab → · Contrast checker → · Palette generator →