#641788#641788

#641788 is a dark, vivid purple. Relative luminance 0.051; OKLCH L 39.4% C 0.175 H 311.6°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#641788
RGB	rgb(100, 23, 136)
HSL	hsl(281, 71%, 31%)
HSV	hsv(281, 83%, 53%)
CMYK	cmyk(26.5%, 83.1%, 0%, 46.7%)
CIE-LAB	lab(27.02, 50.66, -46.22)
CIE-LCH	lch(27.02, 68.57, 317.63°)
OKLab	oklab(39.38% 0.1165 -0.131)
OKLCH	oklch(39.38% 0.175 311.6)
XYZ	xyz(10.0050, 5.1000, 23.7451)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641788 #3B8817

analogous

#2B1788 #641788 #881773

triadic

#641788 #886417 #178864

tetradic

#641788 #882B17 #3B8817 #177388

square

#641788 #882B17 #3B8817 #177388

split-complementary

#641788 #738817 #17882B

monochromatic

#17051F #3E0E54 #641788 #8A20BC #AA3BDE

Accessibility & contrast

On white

10.40

#641788 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#641788 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641788

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641788	#FFFFFF	#000000	##FFFFFF
##641788	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8B

Deuteranopia (green-blind)

#004186

Tritanopia (blue-blind)

#5F3451

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #641788;
/* rgb */ color: rgb(100, 23, 136);
/* oklch */ color: oklch(39.4% 0.175 311.6);

Tailwind

colors: {
  custom: {
    50: '#955fab',
    500: '#641788',
    950: '#000000',
  },
}

SCSS

$custom: #641788;
$custom-light: #955fab;
$custom-dark: #000000;

JSON

{
  "hex": "#641788",
  "rgb": {
    "r": 100,
    "g": 23,
    "b": 136
  },
  "hsl": {
    "h": 280.885,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.39384,
    "c": 0.1753,
    "h": 311.6
  },
  "luminance": 0.051
}

Semantic roles & 50–950 ramp

primary

#641788

secondary

#67BC3F

accent

#EE3A73

background

#F9F5FA

surface

#F2EAF4

border

#CCC6CE

text

#0E0510

muted

#7E797F

Preview Lab

Preview with #641788

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

Preview Lab → · Contrast checker → · Palette generator →