#641C9B#641C9B

#641C9B is a dark, vivid violet. Relative luminance 0.059; OKLCH L 41.4% C 0.189 H 304.7°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#641C9B
RGB	rgb(100, 28, 155)
HSL	hsl(274, 69%, 36%)
HSV	hsv(274, 82%, 61%)
CMYK	cmyk(35.5%, 81.9%, 0%, 39.2%)
CIE-LAB	lab(29.18, 53.19, -54.43)
CIE-LCH	lch(29.18, 76.11, 314.34°)
OKLab	oklab(41.38% 0.1075 -0.1552)
OKLCH	oklch(41.38% 0.189 304.7)
XYZ	xyz(11.5858, 5.9064, 31.5337)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641C9B #539B1C

analogous

#251C9B #641C9B #9B1C92

triadic

#641C9B #9B641C #1C9B64

tetradic

#641C9B #9B251C #539B1C #1C929B

square

#641C9B #9B251C #539B1C #1C929B

split-complementary

#641C9B #929B1C #1C9B25

monochromatic

#210933 #431367 #641C9B #8525CF #A252E0

Accessibility & contrast

On white

9.63

#641C9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#641C9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641C9B

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641C9B	#FFFFFF	#000000	##FFFFFF
##641C9B	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00439E

Deuteranopia (green-blind)

#004599

Tritanopia (blue-blind)

#593F5D

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #641c9b;
/* rgb */ color: rgb(100, 28, 155);
/* oklch */ color: oklch(41.4% 0.189 304.7);

Tailwind

colors: {
  custom: {
    50: '#9662b9',
    500: '#641c9b',
    950: '#000000',
  },
}

SCSS

$custom: #641c9b;
$custom-light: #9662b9;
$custom-dark: #000000;

JSON

{
  "hex": "#641c9b",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 155
  },
  "hsl": {
    "h": 274.016,
    "s": 69.399,
    "l": 35.882
  },
  "oklch": {
    "l": 0.41378,
    "c": 0.18879,
    "h": 304.7
  },
  "luminance": 0.05906
}

Semantic roles & 50–950 ramp

primary

#641C9B

secondary

#82C350

accent

#EC3C88

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0612

muted

#7E7A81

Preview Lab

Preview with #641C9B

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

Preview Lab → · Contrast checker → · Palette generator →