#641C87#641C87

#641C87 is a dark, vivid purple. Relative luminance 0.053; OKLCH L 39.7% C 0.169 H 311.6°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#641C87
RGB	rgb(100, 28, 135)
HSL	hsl(280, 66%, 32%)
HSV	hsv(280, 79%, 53%)
CMYK	cmyk(25.9%, 79.3%, 0%, 47.1%)
CIE-LAB	lab(27.54, 48.69, -44.74)
CIE-LCH	lch(27.54, 66.12, 317.42°)
OKLab	oklab(39.73% 0.1125 -0.1267)
OKLCH	oklch(39.73% 0.169 311.6)
XYZ	xyz(10.0431, 5.2894, 23.4089)
Luminance	0.0529 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 6.50

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C87 #3F871C

analogous

#2F1C87 #641C87 #871C75

triadic

#641C87 #87641C #1C8764

tetradic

#641C87 #872F1C #3F871C #1C7587

square

#641C87 #872F1C #3F871C #1C7587

split-complementary

#641C87 #75871C #1C872F

monochromatic

#190722 #3E1154 #641C87 #8A27BA #A845D8

Accessibility & contrast

On white

10.21

#641C87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#641C87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C87

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C87	#FFFFFF	#000000	##FFFFFF
##641C87	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8A

Deuteranopia (green-blind)

#054285

Tritanopia (blue-blind)

#603651

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #641c87;
/* rgb */ color: rgb(100, 28, 135);
/* oklch */ color: oklch(39.7% 0.169 311.6);

Tailwind

colors: {
  custom: {
    50: '#9461ab',
    500: '#641c87',
    950: '#000000',
  },
}

SCSS

$custom: #641c87;
$custom-light: #9461ab;
$custom-dark: #000000;

JSON

{
  "hex": "#641c87",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 135
  },
  "hsl": {
    "h": 280.374,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.39728,
    "c": 0.16944,
    "h": 311.6
  },
  "luminance": 0.05289
}

Semantic roles & 50–950 ramp

primary

#641C87

secondary

#6BBA45

accent

#E93F77

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #641C87

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

Preview Lab → · Contrast checker → · Palette generator →