#643880#643880

#643880 is a dark, vivid violet. Relative luminance 0.071; OKLCH L 42.8% C 0.122 H 310.5°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#643880
RGB	rgb(100, 56, 128)
HSL	hsl(277, 39%, 36%)
HSV	hsv(277, 56%, 50%)
CMYK	cmyk(21.9%, 56.3%, 0%, 49.8%)
CIE-LAB	lab(32.03, 33.40, -33.17)
CIE-LCH	lch(32.03, 47.08, 315.20°)
OKLab	oklab(42.81% 0.0793 -0.093)
OKLCH	oklch(42.81% 0.122 310.5)
XYZ	xyz(10.5653, 7.0964, 21.2311)
Luminance	0.0710 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#643880 #548038

analogous

#403880 #643880 #803878

triadic

#643880 #806438 #388064

tetradic

#643880 #804038 #548038 #387880

square

#643880 #804038 #548038 #387880

split-complementary

#643880 #788038 #388040

monochromatic

#21132B #432555 #643880 #854BAB #A271C1

Accessibility & contrast

On white

8.68

#643880 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#643880 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #643880

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##643880	#FFFFFF	#000000	##FFFFFF
##643880	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234982

Deuteranopia (green-blind)

#324C7E

Tritanopia (blue-blind)

#614556

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #643880;
/* rgb */ color: rgb(100, 56, 128);
/* oklch */ color: oklch(42.8% 0.122 310.5);

Tailwind

colors: {
  custom: {
    50: '#9270a5',
    500: '#643880',
    950: '#000000',
  },
}

SCSS

$custom: #643880;
$custom-light: #9270a5;
$custom-dark: #000000;

JSON

{
  "hex": "#643880",
  "rgb": {
    "r": 100,
    "g": 56,
    "b": 128
  },
  "hsl": {
    "h": 276.667,
    "s": 39.13,
    "l": 36.078
  },
  "oklch": {
    "l": 0.42806,
    "c": 0.1222,
    "h": 310.5
  },
  "luminance": 0.07096
}

Semantic roles & 50–950 ramp

primary

#643880

secondary

#83AA6A

accent

#CF5987

background

#F9F6FA

surface

#F1ECF4

border

#CBC7CE

text

#0D080F

muted

#7E7B7F

Preview Lab

Preview with #643880

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

Preview Lab → · Contrast checker → · Palette generator →