#641CA9#641CA9

#641CA9 is a dark, highly saturated violet. Relative luminance 0.064; OKLCH L 42.6% C 0.202 H 300.6°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX	#641CA9
RGB	rgb(100, 28, 169)
HSL	hsl(271, 72%, 39%)
HSV	hsv(271, 83%, 66%)
CMYK	cmyk(40.8%, 83.4%, 0%, 33.7%)
CIE-LAB	lab(30.41, 56.45, -60.90)
CIE-LCH	lch(30.41, 83.04, 312.82°)
OKLab	oklab(42.61% 0.1031 -0.1742)
OKLCH	oklch(42.61% 0.202 300.6)
XYZ	xyz(12.8304, 6.4043, 38.0886)
Luminance	0.0640 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641CA9 #61A91C

analogous

#1D1CA9 #641CA9 #A91CA7

triadic

#641CA9 #A9641C #1CA964

tetradic

#641CA9 #A91D1C #61A91C #1CA7A9

square

#641CA9 #A91D1C #61A91C #1CA7A9

split-complementary

#641CA9 #A7A91C #1CA91D

monochromatic

#260B40 #451374 #641CA9 #8327DB #A15BE4

Accessibility & contrast

On white

9.21

#641CA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#641CA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641CA9

9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641CA9	#FFFFFF	#000000	##FFFFFF
##641CA9	1.00	9.21	2.28	9.21
#FFFFFF	9.21	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047AD

Deuteranopia (green-blind)

#0047A6

Tritanopia (blue-blind)

#544565

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #641ca9;
/* rgb */ color: rgb(100, 28, 169);
/* oklch */ color: oklch(42.6% 0.202 300.6);

Tailwind

colors: {
  custom: {
    50: '#9763c4',
    500: '#641ca9',
    950: '#000000',
  },
}

SCSS

$custom: #641ca9;
$custom-light: #9763c4;
$custom-dark: #000000;

JSON

{
  "hex": "#641ca9",
  "rgb": {
    "r": 100,
    "g": 28,
    "b": 169
  },
  "hsl": {
    "h": 270.638,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.42614,
    "c": 0.20239,
    "h": 300.6
  },
  "luminance": 0.06404
}

Semantic roles & 50–950 ramp

primary

#641CA9

secondary

#8FC859

accent

#EE3992

background

#F9F6FC

surface

#F2EBF8

border

#CCC6D1

text

#0E0613

muted

#7E7A82

Preview Lab

Preview with #641CA9

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

Preview Lab → · Contrast checker → · Palette generator →