#641A90#641A90

#641A90 is a dark, vivid violet. Relative luminance 0.055; OKLCH L 40.3% C 0.180 H 308.5°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#641A90
RGB	rgb(100, 26, 144)
HSL	hsl(278, 69%, 33%)
HSV	hsv(278, 82%, 56%)
CMYK	cmyk(30.6%, 81.9%, 0%, 43.5%)
CIE-LAB	lab(28.01, 51.40, -49.57)
CIE-LCH	lch(28.01, 71.41, 316.04°)
OKLab	oklab(40.28% 0.1121 -0.1409)
OKLCH	oklch(40.28% 0.18 308.5)
XYZ	xyz(10.6579, 5.4619, 26.8729)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641A90 #46901A

analogous

#291A90 #641A90 #901A81

triadic

#641A90 #90641A #1A9064

tetradic

#641A90 #90291A #46901A #1A8190

square

#641A90 #90291A #46901A #1A8190

split-complementary

#641A90 #81901A #1A9029

monochromatic

#1C0728 #40115C #641A90 #8823C4 #A547DE

Accessibility & contrast

On white

10.04

#641A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#641A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641A90

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641A90	#FFFFFF	#000000	##FFFFFF
##641A90	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F93

Deuteranopia (green-blind)

#00438E

Tritanopia (blue-blind)

#5D3956

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #641a90;
/* rgb */ color: rgb(100, 26, 144);
/* oklch */ color: oklch(40.3% 0.180 308.5);

Tailwind

colors: {
  custom: {
    50: '#9561b1',
    500: '#641a90',
    950: '#000000',
  },
}

SCSS

$custom: #641a90;
$custom-light: #9561b1;
$custom-dark: #000000;

JSON

{
  "hex": "#641a90",
  "rgb": {
    "r": 100,
    "g": 26,
    "b": 144
  },
  "hsl": {
    "h": 277.627,
    "s": 69.412,
    "l": 33.333
  },
  "oklch": {
    "l": 0.40281,
    "c": 0.18004,
    "h": 308.5
  },
  "luminance": 0.05462
}

Semantic roles & 50–950 ramp

primary

#641A90

secondary

#74BF47

accent

#EC3C7D

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0E0511

muted

#7E7A80

Preview Lab

Preview with #641A90

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

Preview Lab → · Contrast checker → · Palette generator →