#673131#673131

#673131 is a dark, moderate red. Relative luminance 0.053; OKLCH L 38.5% C 0.078 H 21.3°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX#673131
RGBrgb(103, 49, 49)
HSLhsl(0, 36%, 30%)
HSVhsv(0, 52%, 40%)
CMYKcmyk(0%, 52.4%, 52.4%, 59.6%)
CIE-LABlab(27.58, 24.17, 11.26)
CIE-LCHlch(27.58, 26.67, 24.99°)
OKLaboklab(38.5% 0.0724 0.0283)
OKLCHoklch(38.5% 0.078 21.3)
XYZxyz(7.2467, 5.3027, 3.5470)
Luminance0.0530 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#673131 #316767
analogous
#67314C #673131 #674C31
triadic
#673131 #316731 #313167
tetradic
#673131 #4C6731 #316767 #4C3167
square
#673131 #4C6731 #316767 #4C3167
split-complementary
#673131 #31674C #314C67
monochromatic
#150A0A #3E1D1D #673131 #904545 #B35F5F

Accessibility & contrast

On white

10.19
#673131 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.06
#673131 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #673131
10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##673131#FFFFFF#000000##FFFFFF
##6731311.0010.192.0610.19
#FFFFFF10.191.0021.001.00
#0000002.0621.001.0021.00
##FFFFFF10.191.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D3A31
Deuteranopia (green-blind)
#4A4530
Tritanopia (blue-blind)
#702931
Achromatopsia (no color)
#414141

Design tokens & code

CSS
--color: #673131;
/* rgb */ color: rgb(103, 49, 49);
/* oklch */ color: oklch(38.5% 0.078 21.3);
Tailwind
colors: {
  custom: {
    50: '#956a69',
    500: '#673131',
    950: '#000000',
  },
}
SCSS
$custom: #673131;
$custom-light: #956a69;
$custom-dark: #000000;
JSON
{
  "hex": "#673131",
  "rgb": {
    "r": 103,
    "g": 49,
    "b": 49
  },
  "hsl": {
    "h": 0,
    "s": 35.526,
    "l": 29.804
  },
  "oklch": {
    "l": 0.38495,
    "c": 0.07776,
    "h": 21.3
  },
  "luminance": 0.05302
}

Semantic roles & 50–950 ramp

primary
#673131
secondary
#5C9898
accent
#CCCC5C
background
#F9F6F6
surface
#F2EBEB
border
#CCC6C6
text
#0E0606
muted
#7E7A7A

Preview Lab

Preview with #673131

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

Preview Lab → · Contrast checker → · Palette generator →

#673131 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva