#673B78#673B78

#673B78 is a dark, moderate purple. Relative luminance 0.074; OKLCH L 43.2% C 0.109 H 315.9°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#673B78
RGB	rgb(103, 59, 120)
HSL	hsl(283, 34%, 35%)
HSV	hsv(283, 51%, 47%)
CMYK	cmyk(14.2%, 50.8%, 0%, 52.9%)
CIE-LAB	lab(32.63, 30.66, -27.19)
CIE-LCH	lch(32.63, 40.98, 318.43°)
OKLab	oklab(43.19% 0.078 -0.0755)
OKLCH	oklch(43.19% 0.109 315.9)
XYZ	xyz(10.5471, 7.3679, 18.6322)
Luminance	0.0737 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673B78 #4C783B

analogous

#493B78 #673B78 #783B6A

triadic

#673B78 #78673B #3B7867

tetradic

#673B78 #78493B #4C783B #3B6A78

square

#673B78 #78493B #4C783B #3B6A78

split-complementary

#673B78 #6A783B #3B7849

monochromatic

#211326 #44274F #673B78 #8A4FA1 #A673BA

Accessibility & contrast

On white

8.49

#673B78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#673B78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673B78

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673B78	#FFFFFF	#000000	##FFFFFF
##673B78	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4A7A

Deuteranopia (green-blind)

#3C4E76

Tritanopia (blue-blind)

#664454

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #673b78;
/* rgb */ color: rgb(103, 59, 120);
/* oklch */ color: oklch(43.2% 0.109 315.9);

Tailwind

colors: {
  custom: {
    50: '#94729f',
    500: '#673b78',
    950: '#000000',
  },
}

SCSS

$custom: #673b78;
$custom-light: #94729f;
$custom-dark: #000000;

JSON

{
  "hex": "#673b78",
  "rgb": {
    "r": 103,
    "g": 59,
    "b": 120
  },
  "hsl": {
    "h": 283.279,
    "s": 34.078,
    "l": 35.098
  },
  "oklch": {
    "l": 0.43192,
    "c": 0.10855,
    "h": 315.9
  },
  "luminance": 0.07368
}

Semantic roles & 50–950 ramp

primary

#673B78

secondary

#7BA46B

accent

#CA5E7C

background

#F9F7F9

surface

#F2EDF2

border

#CCC8CC

text

#0D080E

muted

#7E7B7E

Preview Lab

Preview with #673B78

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

Preview Lab → · Contrast checker → · Palette generator →