#73403B#73403B

#73403B is a dark, moderate red. Relative luminance 0.076; OKLCH L 43.2% C 0.072 H 26.4°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX#73403B
RGBrgb(115, 64, 59)
HSLhsl(5, 32%, 34%)
HSVhsv(5, 49%, 45%)
CMYKcmyk(0%, 44.3%, 48.7%, 54.9%)
CIE-LABlab(33.20, 21.55, 12.73)
CIE-LCHlch(33.20, 25.03, 30.57°)
OKLaboklab(43.23% 0.0646 0.032)
OKLCHoklch(43.23% 0.072 26.4)
XYZxyz(9.6936, 7.6283, 5.0987)
Luminance0.0763 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#73403B #3B6E73
analogous
#733B52 #73403B #735C3B
triadic
#73403B #3B7340 #403B73
tetradic
#73403B #52733B #3B6E73 #5C3B73
square
#73403B #52733B #3B6E73 #5C3B73
split-complementary
#73403B #3B735C #3B5273
monochromatic
#221311 #4B2926 #73403B #9B5750 #B77872

Accessibility & contrast

On white

8.32
#73403B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.53
#73403B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #73403B
8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##73403B#FFFFFF#000000##FFFFFF
##73403B1.008.322.538.32
#FFFFFF8.321.0021.001.00
#0000002.5321.001.0021.00
##FFFFFF8.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B483A
Deuteranopia (green-blind)
#58523A
Tritanopia (blue-blind)
#7D393F
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #73403b;
/* rgb */ color: rgb(115, 64, 59);
/* oklch */ color: oklch(43.2% 0.072 26.4);
Tailwind
colors: {
  custom: {
    50: '#9e7571',
    500: '#73403b',
    950: '#000000',
  },
}
SCSS
$custom: #73403b;
$custom-light: #9e7571;
$custom-dark: #000000;
JSON
{
  "hex": "#73403b",
  "rgb": {
    "r": 115,
    "g": 64,
    "b": 59
  },
  "hsl": {
    "h": 5.357,
    "s": 32.184,
    "l": 34.118
  },
  "oklch": {
    "l": 0.4323,
    "c": 0.07207,
    "h": 26.4
  },
  "luminance": 0.07627
}

Semantic roles & 50–950 ramp

primary
#73403B
secondary
#699BA0
accent
#BFC85F
background
#FAF7F6
surface
#F3EDEC
border
#CDC8C7
text
#0F0807
muted
#7F7B7A

Preview Lab

Preview with #73403B

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

Preview Lab → · Contrast checker → · Palette generator →

#73403B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva