#673B41#673B41

#673B41 is a dark, moderate red. Relative luminance 0.064; OKLCH L 40.8% C 0.063 H 11.4°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX#673B41
RGBrgb(103, 59, 65)
HSLhsl(352, 27%, 32%)
HSVhsv(352, 43%, 40%)
CMYKcmyk(0%, 42.7%, 36.9%, 59.6%)
CIE-LABlab(30.39, 20.20, 4.69)
CIE-LCHlch(30.39, 20.74, 13.07°)
OKLaboklab(40.77% 0.0613 0.0124)
OKLCHoklch(40.77% 0.063 11.4)
XYZxyz(8.1119, 6.3938, 5.8069)
Luminance0.0639 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#673B41 #3B6761
analogous
#673B57 #673B41 #674B3B
triadic
#673B41 #41673B #3B4167
tetradic
#673B41 #57673B #3B6761 #4B3B67
square
#673B41 #57673B #3B6761 #4B3B67
split-complementary
#673B41 #3B674B #3B5767
monochromatic
#190E10 #402528 #673B41 #8E515A #AD7078

Accessibility & contrast

On white

9.22
#673B41 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.28
#673B41 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673B41
9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##673B41#FFFFFF#000000##FFFFFF
##673B411.009.222.289.22
#FFFFFF9.221.0021.001.00
#0000002.2821.001.0021.00
##FFFFFF9.221.0021.001.00

Color blindness preview

Protanopia (red-blind)
#434241
Deuteranopia (green-blind)
#4E4B40
Tritanopia (blue-blind)
#6F373D
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #673b41;
/* rgb */ color: rgb(103, 59, 65);
/* oklch */ color: oklch(40.8% 0.063 11.4);
Tailwind
colors: {
  custom: {
    50: '#947275',
    500: '#673b41',
    950: '#000000',
  },
}
SCSS
$custom: #673b41;
$custom-light: #947275;
$custom-dark: #000000;
JSON
{
  "hex": "#673b41",
  "rgb": {
    "r": 103,
    "g": 59,
    "b": 65
  },
  "hsl": {
    "h": 351.818,
    "s": 27.16,
    "l": 31.765
  },
  "oklch": {
    "l": 0.40765,
    "c": 0.06251,
    "h": 11.4
  },
  "luminance": 0.06393
}

Semantic roles & 50–950 ramp

primary
#673B41
secondary
#679790
accent
#C3B764
background
#F9F6F7
surface
#F2ECED
border
#CCC7C8
text
#0D0808
muted
#7E7B7B

Preview Lab

Preview with #673B41

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

Preview Lab → · Contrast checker → · Palette generator →

#673B41 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva