#641C78#641C78

#641C78 is a dark, vivid purple. Relative luminance 0.049; OKLCH L 38.6% C 0.155 H 317.8°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#641C78
RGB	rgb(100, 28, 120)
HSL	hsl(287, 62%, 29%)
HSV	hsv(287, 77%, 47%)
CMYK	cmyk(16.7%, 76.7%, 0%, 52.9%)
CIE-LAB	lab(26.44, 45.49, -37.07)
CIE-LCH	lch(26.44, 58.68, 320.82°)
OKLab	oklab(38.6% 0.1149 -0.1042)
OKLCH	oklch(38.6% 0.155 317.8)
XYZ	xyz(9.0605, 4.8963, 18.2335)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C78 #30781C

analogous

#361C78 #641C78 #781C5E

triadic

#641C78 #78641C #1C7864

tetradic

#641C78 #78361C #30781C #1C5E78

square

#641C78 #78361C #30781C #1C5E78

split-complementary

#641C78 #5E781C #1C7836

monochromatic

#150619 #3B1046 #641C78 #8D28AA #B13DD2

Accessibility & contrast

On white

10.61

#641C78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#641C78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C78

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C78	#FFFFFF	#000000	##FFFFFF
##641C78	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7B

Deuteranopia (green-blind)

#1F4176

Tritanopia (blue-blind)

#632F48

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #641c78;
/* rgb */ color: rgb(100, 28, 120);
/* oklch */ color: oklch(38.6% 0.155 317.8);

Tailwind

colors: {
  custom: {
    50: '#93609f',
    500: '#641c78',
    950: '#000000',
  },
}

SCSS

$custom: #641c78;
$custom-light: #93609f;
$custom-dark: #000000;

JSON

{
  "hex": "#641c78",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 120
  },
  "hsl": {
    "h": 286.957,
    "s": 62.162,
    "l": 29.02
  },
  "oklch": {
    "l": 0.38596,
    "c": 0.15512,
    "h": 317.8
  },
  "luminance": 0.04896
}

Semantic roles & 50–950 ramp

primary

#641C78

secondary

#5AAC44

accent

#E54366

background

#F9F5F9

surface

#F2EAF2

border

#CCC6CC

text

#0D050F

muted

#7E797E

Preview Lab

Preview with #641C78

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

Preview Lab → · Contrast checker → · Palette generator →