#731311#731311

#731311 is a dark, vivid red. Relative luminance 0.042; OKLCH L 36.2% C 0.130 H 27.5°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX#731311
RGBrgb(115, 19, 17)
HSLhsl(1, 74%, 26%)
HSVhsv(1, 85%, 45%)
CMYKcmyk(0%, 83.5%, 85.2%, 54.9%)
CIE-LABlab(24.17, 40.41, 28.20)
CIE-LCHlch(24.17, 49.28, 34.91°)
OKLaboklab(36.19% 0.1156 0.0603)
OKLCHoklch(36.19% 0.13 27.5)
XYZxyz(7.4052, 4.1523, 0.9418)
Luminance0.0415 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#731311 #117173
analogous
#731140 #731311 #734411
triadic
#731311 #117313 #131173
tetradic
#731311 #407311 #117173 #441173
square
#731311 #407311 #117173 #441173
split-complementary
#731311 #117344 #114073
monochromatic
#1B0404 #3E0A09 #731311 #A81C19 #DE2521

Accessibility & contrast

On white

11.47
#731311 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.83
#731311 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731311
11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##731311#FFFFFF#000000##FFFFFF
##7313111.0011.471.8311.47
#FFFFFF11.471.0021.001.00
#0000001.8321.001.0021.00
##FFFFFF11.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#322C0F
Deuteranopia (green-blind)
#49410C
Tritanopia (blue-blind)
#7F0014
Achromatopsia (no color)
#393939

Design tokens & code

CSS
--color: #731311;
/* rgb */ color: rgb(115, 19, 17);
/* oklch */ color: oklch(36.2% 0.130 27.5);
Tailwind
colors: {
  custom: {
    50: '#a45b50',
    500: '#731311',
    950: '#000000',
  },
}
SCSS
$custom: #731311;
$custom-light: #a45b50;
$custom-dark: #000000;
JSON
{
  "hex": "#731311",
  "rgb": {
    "r": 115,
    "g": 19,
    "b": 17
  },
  "hsl": {
    "h": 1.224,
    "s": 74.242,
    "l": 25.882
  },
  "oklch": {
    "l": 0.36188,
    "c": 0.13032,
    "h": 27.5
  },
  "luminance": 0.04151
}

Semantic roles & 50–950 ramp

primary
#731311
secondary
#36A8AA
accent
#EDF137
background
#FBF5F4
surface
#F5E9E7
border
#CFC5C3
text
#110402
muted
#807978

Preview Lab

Preview with #731311

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

Preview Lab → · Contrast checker → · Palette generator →

#731311 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva