#641C88#641C88

#641C88 is a dark, vivid purple. Relative luminance 0.053; OKLCH L 39.8% C 0.170 H 311.2°. Best body text is #FFFFFF at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#641C88
RGB	rgb(100, 28, 136)
HSL	hsl(280, 66%, 32%)
HSV	hsv(280, 79%, 53%)
CMYK	cmyk(26.5%, 79.4%, 0%, 46.7%)
CIE-LAB	lab(27.62, 48.91, -45.24)
CIE-LCH	lch(27.62, 66.62, 317.24°)
OKLab	oklab(39.81% 0.1123 -0.1282)
OKLCH	oklch(39.81% 0.17 311.2)
XYZ	xyz(10.1139, 5.3177, 23.7814)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C88 #40881C

analogous

#2E1C88 #641C88 #881C76

triadic

#641C88 #88641C #1C8864

tetradic

#641C88 #882E1C #40881C #1C7688

square

#641C88 #882E1C #40881C #1C7688

split-complementary

#641C88 #76881C #1C882E

monochromatic

#190722 #3F1255 #641C88 #8926BB #A846D9

Accessibility & contrast

On white

10.18

#641C88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#641C88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C88

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C88	#FFFFFF	#000000	##FFFFFF
##641C88	1.00	10.18	2.06	10.18
#FFFFFF	10.18	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E8B

Deuteranopia (green-blind)

#024286

Tritanopia (blue-blind)

#5F3652

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #641c88;
/* rgb */ color: rgb(100, 28, 136);
/* oklch */ color: oklch(39.8% 0.170 311.2);

Tailwind

colors: {
  custom: {
    50: '#9461ab',
    500: '#641c88',
    950: '#000000',
  },
}

SCSS

$custom: #641c88;
$custom-light: #9461ab;
$custom-dark: #000000;

JSON

{
  "hex": "#641c88",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 136
  },
  "hsl": {
    "h": 280,
    "s": 65.854,
    "l": 32.157
  },
  "oklch": {
    "l": 0.39807,
    "c": 0.1704,
    "h": 311.2
  },
  "luminance": 0.05317
}

Semantic roles & 50–950 ramp

primary

#641C88

secondary

#6CBA45

accent

#E93F78

background

#F9F6FA

surface

#F2EBF4

border

#CCC6CE

text

#0E0510

muted

#7E7A7F

Preview Lab

Preview with #641C88

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

Preview Lab → · Contrast checker → · Palette generator →