#641C92#641C92

#641C92 is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.6% C 0.180 H 307.6°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#641C92
RGB	rgb(100, 28, 146)
HSL	hsl(277, 68%, 34%)
HSV	hsv(277, 81%, 57%)
CMYK	cmyk(31.5%, 80.8%, 0%, 42.7%)
CIE-LAB	lab(28.42, 51.14, -50.14)
CIE-LCH	lch(28.42, 71.62, 315.57°)
OKLab	oklab(40.62% 0.11 -0.1426)
OKLCH	oklch(40.62% 0.18 307.6)
XYZ	xyz(10.8580, 5.6153, 27.7004)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C92 #4A921C

analogous

#291C92 #641C92 #921C85

triadic

#641C92 #92641C #1C9264

tetradic

#641C92 #92291C #4A921C #1C8592

square

#641C92 #92291C #4A921C #1C8592

split-complementary

#641C92 #85921C #1C9229

monochromatic

#1E082B #41125F #641C92 #8726C5 #A44CDD

Accessibility & contrast

On white

9.89

#641C92 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#641C92 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C92

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C92	#FFFFFF	#000000	##FFFFFF
##641C92	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004195

Deuteranopia (green-blind)

#004490

Tritanopia (blue-blind)

#5C3B57

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #641c92;
/* rgb */ color: rgb(100, 28, 146);
/* oklch */ color: oklch(40.6% 0.180 307.6);

Tailwind

colors: {
  custom: {
    50: '#9562b3',
    500: '#641c92',
    950: '#000000',
  },
}

SCSS

$custom: #641c92;
$custom-light: #9562b3;
$custom-dark: #000000;

JSON

{
  "hex": "#641c92",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 146
  },
  "hsl": {
    "h": 276.61,
    "s": 67.816,
    "l": 34.118
  },
  "oklch": {
    "l": 0.40617,
    "c": 0.18006,
    "h": 307.6
  },
  "luminance": 0.05615
}

Semantic roles & 50–950 ramp

primary

#641C92

secondary

#78BF4B

accent

#EB3D81

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #641C92

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

Preview Lab → · Contrast checker → · Palette generator →