#673F8A#673F8A

#673F8A is a dark, vivid violet. Relative luminance 0.083; OKLCH L 44.9% C 0.124 H 306.7°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#673F8A
RGB	rgb(103, 63, 138)
HSL	hsl(272, 37%, 39%)
HSV	hsv(272, 54%, 54%)
CMYK	cmyk(25.4%, 54.3%, 0%, 45.9%)
CIE-LAB	lab(34.55, 32.66, -35.33)
CIE-LCH	lch(34.55, 48.12, 312.75°)
OKLab	oklab(44.94% 0.074 -0.0992)
OKLCH	oklch(44.94% 0.124 306.7)
XYZ	xyz(11.9575, 8.2737, 25.0069)
Luminance	0.0827 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#673F8A #628A3F

analogous

#423F8A #673F8A #8A3F88

triadic

#673F8A #8A673F #3F8A67

tetradic

#673F8A #8A423F #628A3F #3F888A

square

#673F8A #8A423F #628A3F #3F888A

split-complementary

#673F8A #888A3F #3F8A42

monochromatic

#281936 #482C60 #673F8A #8655B1 #A47FC5

Accessibility & contrast

On white

7.91

#673F8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#673F8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673F8A

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##673F8A	#FFFFFF	#000000	##FFFFFF
##673F8A	1.00	7.91	2.65	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28508D

Deuteranopia (green-blind)

#345288

Tritanopia (blue-blind)

#624C5E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #673f8a;
/* rgb */ color: rgb(103, 63, 138);
/* oklch */ color: oklch(44.9% 0.124 306.7);

Tailwind

colors: {
  custom: {
    50: '#9475ac',
    500: '#673f8a',
    950: '#000000',
  },
}

SCSS

$custom: #673f8a;
$custom-light: #9475ac;
$custom-dark: #000000;

JSON

{
  "hex": "#673f8a",
  "rgb": {
    "r": 103,
    "g": 63,
    "b": 138
  },
  "hsl": {
    "h": 272,
    "s": 37.313,
    "l": 39.412
  },
  "oklch": {
    "l": 0.4494,
    "c": 0.12378,
    "h": 306.7
  },
  "luminance": 0.08274
}

Semantic roles & 50–950 ramp

primary

#673F8A

secondary

#91AF76

accent

#CD5B90

background

#F9F7FA

surface

#F2EDF4

border

#CCC8CE

text

#0D0810

muted

#7E7B7F

Preview Lab

Preview with #673F8A

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

Preview Lab → · Contrast checker → · Palette generator →