#641B84#641B84

#641B84 is a dark, vivid purple. Relative luminance 0.052; OKLCH L 39.4% C 0.168 H 312.8°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#641B84
RGB	rgb(100, 27, 132)
HSL	hsl(282, 66%, 31%)
HSV	hsv(282, 80%, 52%)
CMYK	cmyk(24.2%, 79.5%, 0%, 48.2%)
CIE-LAB	lab(27.18, 48.41, -43.44)
CIE-LCH	lch(27.18, 65.05, 318.10°)
OKLab	oklab(39.4% 0.114 -0.1229)
OKLCH	oklch(39.4% 0.168 312.8)
XYZ	xyz(9.8116, 5.1594, 22.3043)
Luminance	0.0516 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.24

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641B84 #3B841B

analogous

#2F1B84 #641B84 #841B6F

triadic

#641B84 #84641B #1B8464

tetradic

#641B84 #842F1B #3B841B #1B6F84

square

#641B84 #842F1B #3B841B #1B6F84

split-complementary

#641B84 #6F841B #1B842F

monochromatic

#17061E #3E1151 #641B84 #8A25B7 #AA41D8

Accessibility & contrast

On white

10.34

#641B84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#641B84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641B84

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641B84	#FFFFFF	#000000	##FFFFFF
##641B84	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D87

Deuteranopia (green-blind)

#0C4282

Tritanopia (blue-blind)

#60344F

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #641b84;
/* rgb */ color: rgb(100, 27, 132);
/* oklch */ color: oklch(39.4% 0.168 312.8);

Tailwind

colors: {
  custom: {
    50: '#9461a8',
    500: '#641b84',
    950: '#000000',
  },
}

SCSS

$custom: #641b84;
$custom-light: #9461a8;
$custom-dark: #000000;

JSON

{
  "hex": "#641b84",
  "rgb": {
    "r": 100,
    "g": 27,
    "b": 132
  },
  "hsl": {
    "h": 281.714,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.39402,
    "c": 0.16762,
    "h": 312.8
  },
  "luminance": 0.05159
}

Semantic roles & 50–950 ramp

primary

#641B84

secondary

#67B743

accent

#E93F73

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #641B84

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

Preview Lab → · Contrast checker → · Palette generator →