#641B82#641B82

#641B82 is a dark, vivid purple. Relative luminance 0.051; OKLCH L 39.2% C 0.166 H 313.6°. Best body text is #FFFFFF at 10.39:1 contrast (WCAG AA passes).

Color values

HEX	#641B82
RGB	rgb(100, 27, 130)
HSL	hsl(283, 66%, 31%)
HSV	hsv(283, 79%, 51%)
CMYK	cmyk(23.1%, 79.2%, 0%, 49%)
CIE-LAB	lab(27.03, 47.98, -42.43)
CIE-LCH	lch(27.03, 64.05, 318.51°)
OKLab	oklab(39.25% 0.1144 -0.1199)
OKLCH	oklch(39.25% 0.166 313.6)
XYZ	xyz(9.6760, 5.1052, 21.5905)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.15

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B82 #39821B

analogous

#301B82 #641B82 #821B6C

triadic

#641B82 #82641B #1B8264

tetradic

#641B82 #82301B #39821B #1B6C82

square

#641B82 #82301B #39821B #1B6C82

split-complementary

#641B82 #6C821B #1B8230

monochromatic

#16061D #3D104F #641B82 #8B26B5 #AB40D7

Accessibility & contrast

On white

10.39

#641B82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#641B82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B82

10.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B82	#FFFFFF	#000000	##FFFFFF
##641B82	1.00	10.39	2.02	10.39
#FFFFFF	10.39	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C85

Deuteranopia (green-blind)

#104180

Tritanopia (blue-blind)

#61334E

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #641b82;
/* rgb */ color: rgb(100, 27, 130);
/* oklch */ color: oklch(39.2% 0.166 313.6);

Tailwind

colors: {
  custom: {
    50: '#9460a7',
    500: '#641b82',
    950: '#000000',
  },
}

SCSS

$custom: #641b82;
$custom-light: #9460a7;
$custom-dark: #000000;

JSON

{
  "hex": "#641b82",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 130
  },
  "hsl": {
    "h": 282.524,
    "s": 65.605,
    "l": 30.784
  },
  "oklch": {
    "l": 0.39248,
    "c": 0.16572,
    "h": 313.6
  },
  "luminance": 0.05105
}

Semantic roles & 50–950 ramp

primary

#641B82

secondary

#65B643

accent

#E93F71

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E050F

muted

#7E7A7F

Preview Lab

Preview with #641B82

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

Preview Lab → · Contrast checker → · Palette generator →