#673D78#673D78

#673D78 is a dark, moderate purple. Relative luminance 0.076; OKLCH L 43.5% C 0.105 H 315.5°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#673D78
RGB	rgb(103, 61, 120)
HSL	hsl(283, 33%, 35%)
HSV	hsv(283, 49%, 47%)
CMYK	cmyk(14.2%, 49.2%, 0%, 52.9%)
CIE-LAB	lab(33.09, 29.48, -26.47)
CIE-LCH	lch(33.09, 39.62, 318.08°)
OKLab	oklab(43.53% 0.0749 -0.0734)
OKLCH	oklch(43.53% 0.105 315.5)
XYZ	xyz(10.6519, 7.5774, 18.6671)
Luminance	0.0758 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673D78 #4E783D

analogous

#493D78 #673D78 #783D6B

triadic

#673D78 #78673D #3D7867

tetradic

#673D78 #78493D #4E783D #3D6B78

square

#673D78 #78493D #4E783D #3D6B78

split-complementary

#673D78 #6B783D #3D7849

monochromatic

#211427 #44284F #673D78 #8A52A1 #A676B9

Accessibility & contrast

On white

8.35

#673D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#673D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673D78

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673D78	#FFFFFF	#000000	##FFFFFF
##673D78	1.00	8.35	2.52	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314B7A

Deuteranopia (green-blind)

#3D4F76

Tritanopia (blue-blind)

#664655

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #673d78;
/* rgb */ color: rgb(103, 61, 120);
/* oklch */ color: oklch(43.5% 0.105 315.5);

Tailwind

colors: {
  custom: {
    50: '#94749f',
    500: '#673d78',
    950: '#000000',
  },
}

SCSS

$custom: #673d78;
$custom-light: #94749f;
$custom-dark: #000000;

JSON

{
  "hex": "#673d78",
  "rgb": {
    "r": 103,
    "g": 61,
    "b": 120
  },
  "hsl": {
    "h": 282.712,
    "s": 32.597,
    "l": 35.49
  },
  "oklch": {
    "l": 0.43531,
    "c": 0.10488,
    "h": 315.5
  },
  "luminance": 0.07577
}

Semantic roles & 50–950 ramp

primary

#673D78

secondary

#7DA36D

accent

#C95F7E

background

#F9F7F9

surface

#F1EDF2

border

#CBC8CC

text

#0D080E

muted

#7E7B7E

Preview Lab

Preview with #673D78

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

Preview Lab → · Contrast checker → · Palette generator →