#643180#643180

#643180 is a dark, vivid violet. Relative luminance 0.065; OKLCH L 41.7% C 0.134 H 311.8°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#643180
RGB	rgb(100, 49, 128)
HSL	hsl(279, 45%, 35%)
HSV	hsv(279, 62%, 50%)
CMYK	cmyk(21.9%, 61.7%, 0%, 49.8%)
CIE-LAB	lab(30.56, 37.32, -35.52)
CIE-LCH	lch(30.56, 51.52, 316.42°)
OKLab	oklab(41.73% 0.0891 -0.0998)
OKLCH	oklch(41.73% 0.134 311.8)
XYZ	xyz(10.2494, 6.4647, 21.1258)
Luminance	0.0646 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643180 #4D8031

analogous

#3C3180 #643180 #803175

triadic

#643180 #806431 #318064

tetradic

#643180 #803C31 #4D8031 #317580

square

#643180 #803C31 #4D8031 #317580

split-complementary

#643180 #758031 #31803C

monochromatic

#1F0F27 #412054 #643180 #8742AC #A367C5

Accessibility & contrast

On white

9.16

#643180 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#643180 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643180

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643180	#FFFFFF	#000000	##FFFFFF
##643180	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154583

Deuteranopia (green-blind)

#2B497E

Tritanopia (blue-blind)

#613F53

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #643180;
/* rgb */ color: rgb(100, 49, 128);
/* oklch */ color: oklch(41.7% 0.134 311.8);

Tailwind

colors: {
  custom: {
    50: '#936ca5',
    500: '#643180',
    950: '#000000',
  },
}

SCSS

$custom: #643180;
$custom-light: #936ca5;
$custom-dark: #000000;

JSON

{
  "hex": "#643180",
  "rgb": {
    "r": 100,
    "g": 49,
    "b": 128
  },
  "hsl": {
    "h": 278.734,
    "s": 44.633,
    "l": 34.706
  },
  "oklch": {
    "l": 0.4173,
    "c": 0.13379,
    "h": 311.8
  },
  "luminance": 0.06464
}

Semantic roles & 50–950 ramp

primary

#643180

secondary

#7BAC61

accent

#D45381

background

#F9F6FA

surface

#F1EBF4

border

#CBC6CE

text

#0D070F

muted

#7E7A7F

Preview Lab

Preview with #643180

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

Preview Lab → · Contrast checker → · Palette generator →