#673F7A#673F7A

#673F7A is a dark, moderate purple. Relative luminance 0.078; OKLCH L 44.0% C 0.104 H 314.1°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX#673F7A
RGBrgb(103, 63, 122)
HSLhsl(281, 32%, 36%)
HSVhsv(281, 48%, 48%)
CMYKcmyk(15.6%, 48.4%, 0%, 52.2%)
CIE-LABlab(33.66, 28.76, -26.83)
CIE-LCHlch(33.66, 39.33, 316.99°)
OKLaboklab(43.99% 0.0721 -0.0745)
OKLCHoklch(43.99% 0.104 314.1)
XYZxyz(10.8833, 7.8440, 19.3493)
Luminance0.0784 (WCAG relative)
Temperaturecool
Familypurple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#673F7A #527A3F
analogous
#4A3F7A #673F7A #7A3F70
triadic
#673F7A #7A673F #3F7A67
tetradic
#673F7A #7A4A3F #527A3F #3F707A
square
#673F7A #7A4A3F #527A3F #3F707A
split-complementary
#673F7A #707A3F #3F7A4A
monochromatic
#231529 #452A52 #673F7A #8954A2 #A579BA

Accessibility & contrast

On white

8.18
#673F7A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.57
#673F7A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673F7A
8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##673F7A#FFFFFF#000000##FFFFFF
##673F7A1.008.182.578.18
#FFFFFF8.181.0021.001.00
#0000002.5721.001.0021.00
##FFFFFF8.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#334D7C
Deuteranopia (green-blind)
#3E5078
Tritanopia (blue-blind)
#664856
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #673f7a;
/* rgb */ color: rgb(103, 63, 122);
/* oklch */ color: oklch(44.0% 0.104 314.1);
Tailwind
colors: {
  custom: {
    50: '#9475a0',
    500: '#673f7a',
    950: '#000000',
  },
}
SCSS
$custom: #673f7a;
$custom-light: #9475a0;
$custom-dark: #000000;
JSON
{
  "hex": "#673f7a",
  "rgb": {
    "r": 103,
    "g": 63,
    "b": 122
  },
  "hsl": {
    "h": 280.678,
    "s": 31.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.43989,
    "c": 0.10365,
    "h": 314.1
  },
  "luminance": 0.07844
}

Semantic roles & 50–950 ramp

primary
#673F7A
secondary
#81A470
accent
#C86081
background
#F9F7F9
surface
#F1EDF2
border
#CBC8CC
text
#0D080F
muted
#7E7B7E

Preview Lab

Preview with #673F7A

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

Preview Lab → · Contrast checker → · Palette generator →

#673F7A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva