#641790#641790

#641790 is a dark, vivid violet. Relative luminance 0.053; OKLCH L 40.0% C 0.183 H 308.7°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#641790
RGB	rgb(100, 23, 144)
HSL	hsl(278, 72%, 33%)
HSV	hsv(278, 84%, 56%)
CMYK	cmyk(30.6%, 84%, 0%, 43.5%)
CIE-LAB	lab(27.67, 52.40, -50.13)
CIE-LCH	lch(27.67, 72.51, 316.27°)
OKLab	oklab(40.04% 0.1144 -0.1425)
OKLCH	oklch(40.04% 0.183 308.7)
XYZ	xyz(10.5949, 5.3359, 26.8519)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641790 #439017

analogous

#281790 #641790 #90177F

triadic

#641790 #906417 #179064

tetradic

#641790 #902817 #439017 #177F90

square

#641790 #902817 #439017 #177F90

split-complementary

#641790 #7F9017 #179028

monochromatic

#1B0626 #3F0F5B #641790 #891FC5 #A641E1

Accessibility & contrast

On white

10.16

#641790 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#641790 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641790

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641790	#FFFFFF	#000000	##FFFFFF
##641790	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F93

Deuteranopia (green-blind)

#00428E

Tritanopia (blue-blind)

#5D3855

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #641790;
/* rgb */ color: rgb(100, 23, 144);
/* oklch */ color: oklch(40.0% 0.183 308.7);

Tailwind

colors: {
  custom: {
    50: '#9560b1',
    500: '#641790',
    950: '#000000',
  },
}

SCSS

$custom: #641790;
$custom-light: #9560b1;
$custom-dark: #000000;

JSON

{
  "hex": "#641790",
  "rgb": {
    "r": 100,
    "g": 23,
    "b": 144
  },
  "hsl": {
    "h": 278.182,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.40043,
    "c": 0.18272,
    "h": 308.7
  },
  "luminance": 0.05336
}

Semantic roles & 50–950 ramp

primary

#641790

secondary

#70C142

accent

#EF397B

background

#F9F5FB

surface

#F2EAF6

border

#CCC6D0

text

#0E0511

muted

#7E7980

Preview Lab

Preview with #641790

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

Preview Lab → · Contrast checker → · Palette generator →