#641C83#641C83

#641C83 is a dark, vivid purple. Relative luminance 0.052; OKLCH L 39.4% C 0.166 H 313.2°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#641C83
RGB	rgb(100, 28, 131)
HSL	hsl(282, 65%, 31%)
HSV	hsv(282, 79%, 51%)
CMYK	cmyk(23.7%, 78.6%, 0%, 48.6%)
CIE-LAB	lab(27.24, 47.82, -42.73)
CIE-LCH	lch(27.24, 64.13, 318.22°)
OKLab	oklab(39.42% 0.1133 -0.1208)
OKLCH	oklch(39.42% 0.166 313.2)
XYZ	xyz(9.7668, 5.1788, 21.9535)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.29

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C83 #3B831C

analogous

#301C83 #641C83 #831C6E

triadic

#641C83 #83641C #1C8364

tetradic

#641C83 #83301C #3B831C #1C6E83

square

#641C83 #83301C #3B831C #1C6E83

split-complementary

#641C83 #6E831C #1C8330

monochromatic

#17061E #3E1151 #641C83 #8A27B5 #AA43D7

Accessibility & contrast

On white

10.32

#641C83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#641C83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C83

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C83	#FFFFFF	#000000	##FFFFFF
##641C83	1.00	10.32	2.04	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D86

Deuteranopia (green-blind)

#104281

Tritanopia (blue-blind)

#61344F

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #641c83;
/* rgb */ color: rgb(100, 28, 131);
/* oklch */ color: oklch(39.4% 0.166 313.2);

Tailwind

colors: {
  custom: {
    50: '#9461a8',
    500: '#641c83',
    950: '#000000',
  },
}

SCSS

$custom: #641c83;
$custom-light: #9461a8;
$custom-dark: #000000;

JSON

{
  "hex": "#641c83",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 131
  },
  "hsl": {
    "h": 281.942,
    "s": 64.78,
    "l": 31.176
  },
  "oklch": {
    "l": 0.39417,
    "c": 0.1656,
    "h": 313.2
  },
  "luminance": 0.05179
}

Semantic roles & 50–950 ramp

primary

#641C83

secondary

#67B645

accent

#E84073

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #641C83

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

Preview Lab → · Contrast checker → · Palette generator →