#673F78#673F78

#673F78 is a dark, moderate purple. Relative luminance 0.078; OKLCH L 43.9% C 0.101 H 315.2°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#673F78
RGB	rgb(103, 63, 120)
HSL	hsl(282, 31%, 36%)
HSV	hsv(282, 48%, 47%)
CMYK	cmyk(14.2%, 47.5%, 0%, 52.9%)
CIE-LAB	lab(33.55, 28.30, -25.74)
CIE-LCH	lch(33.55, 38.25, 317.70°)
OKLab	oklab(43.88% 0.0717 -0.0713)
OKLCH	oklch(43.88% 0.101 315.2)
XYZ	xyz(10.7607, 7.7949, 18.7034)
Luminance	0.0780 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673F78 #50783F

analogous

#4A3F78 #673F78 #783F6C

triadic

#673F78 #78673F #3F7867

tetradic

#673F78 #784A3F #50783F #3F6C78

square

#673F78 #784A3F #50783F #3F6C78

split-complementary

#673F78 #6C783F #3F784A

monochromatic

#221528 #452A50 #673F78 #8954A0 #A679B9

Accessibility & contrast

On white

8.21

#673F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#673F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673F78

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673F78	#FFFFFF	#000000	##FFFFFF
##673F78	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344D7A

Deuteranopia (green-blind)

#3F5076

Tritanopia (blue-blind)

#664756

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #673f78;
/* rgb */ color: rgb(103, 63, 120);
/* oklch */ color: oklch(43.9% 0.101 315.2);

Tailwind

colors: {
  custom: {
    50: '#94759f',
    500: '#673f78',
    950: '#000000',
  },
}

SCSS

$custom: #673f78;
$custom-light: #94759f;
$custom-dark: #000000;

JSON

{
  "hex": "#673f78",
  "rgb": {
    "r": 103,
    "g": 63,
    "b": 120
  },
  "hsl": {
    "h": 282.105,
    "s": 31.148,
    "l": 35.882
  },
  "oklch": {
    "l": 0.43878,
    "c": 0.10118,
    "h": 315.2
  },
  "luminance": 0.07795
}

Semantic roles & 50–950 ramp

primary

#673F78

secondary

#7FA370

accent

#C7607F

background

#F9F7F9

surface

#F1EDF2

border

#CBC8CC

text

#0D080E

muted

#7E7B7E

Preview Lab

Preview with #673F78

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

Preview Lab → · Contrast checker → · Palette generator →