#491B15#491B15

#491B15 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.1% C 0.072 H 29.6°. Best body text is #FFFFFF at 14.47:1 contrast (WCAG AA passes).

Color values

HEX#491B15
RGBrgb(73, 27, 21)
HSLhsl(7, 55%, 18%)
HSVhsv(7, 71%, 29%)
CMYKcmyk(0%, 63%, 71.2%, 71.4%)
CIE-LABlab(16.77, 21.45, 15.01)
CIE-LCHlch(16.77, 26.18, 34.99°)
OKLaboklab(29.07% 0.0625 0.0355)
OKLCHoklch(29.07% 0.072 29.6)
XYZxyz(3.2752, 2.2549, 0.9721)
Luminance0.0225 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#491B15 #154349
analogous
#491529 #491B15 #493515
triadic
#491B15 #15491B #1B1549
tetradic
#491B15 #294915 #154349 #351549
square
#491B15 #294915 #154349 #351549
split-complementary
#491B15 #154935 #152949
monochromatic
#180907 #190907 #491B15 #792D23 #A83E30

Accessibility & contrast

On white

14.47
#491B15 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.45
#491B15 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #491B15
14.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##491B15#FFFFFF#000000##FFFFFF
##491B151.0014.471.4514.47
#FFFFFF14.471.0021.001.00
#0000001.4521.001.0021.00
##FFFFFF14.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#272314
Deuteranopia (green-blind)
#322D14
Tritanopia (blue-blind)
#51121A
Achromatopsia (no color)
#292929

Design tokens & code

CSS
--color: #491b15;
/* rgb */ color: rgb(73, 27, 21);
/* oklch */ color: oklch(29.1% 0.072 29.6);
Tailwind
colors: {
  custom: {
    50: '#805952',
    500: '#491b15',
    950: '#000000',
  },
}
SCSS
$custom: #491b15;
$custom-light: #805952;
$custom-dark: #000000;
JSON
{
  "hex": "#491b15",
  "rgb": {
    "r": 73,
    "g": 27,
    "b": 21
  },
  "hsl": {
    "h": 6.923,
    "s": 55.319,
    "l": 18.431
  },
  "oklch": {
    "l": 0.29068,
    "c": 0.07183,
    "h": 29.6
  },
  "luminance": 0.02254
}

Semantic roles & 50–950 ramp

primary
#491B15
secondary
#397981
accent
#CDDF49
background
#F8F5F4
surface
#EFE9E7
border
#CAC5C3
text
#0B0302
muted
#7C7878

Preview Lab

Preview with #491B15

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

Preview Lab → · Contrast checker → · Palette generator →

#491B15 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva