#A53B21#A53B21

#A53B21 is a mid, vivid red. Relative luminance 0.112; OKLCH L 49.9% C 0.145 H 34.9°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX#A53B21
RGBrgb(165, 59, 33)
HSLhsl(12, 67%, 39%)
HSVhsv(12, 80%, 65%)
CMYKcmyk(0%, 64.2%, 80%, 35.3%)
CIE-LABlab(39.98, 42.38, 38.24)
CIE-LCHlch(39.98, 57.08, 42.06°)
OKLaboklab(49.87% 0.1193 0.0832)
OKLCHoklch(49.87% 0.145 34.9)
XYZxyz(17.3575, 11.2396, 2.6940)
Luminance0.1124 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A53B21 #218BA5
analogous
#A52149 #A53B21 #A57D21
triadic
#A53B21 #21A53B #3B21A5
tetradic
#A53B21 #49A521 #218BA5 #7D21A5
square
#A53B21 #49A521 #218BA5 #7D21A5
split-complementary
#A53B21 #21A57D #2149A5
monochromatic
#3F170D #722917 #A53B21 #D54F2E #DF7A61

Accessibility & contrast

On white

6.47
#A53B21 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.25
#A53B21 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A53B21
6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A53B21#FFFFFF#000000##FFFFFF
##A53B211.006.473.256.47
#FFFFFF6.471.0021.001.00
#0000003.2521.001.0021.00
##FFFFFF6.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#594F1D
Deuteranopia (green-blind)
#73671D
Tritanopia (blue-blind)
#B61F36
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #a53b21;
/* rgb */ color: rgb(165, 59, 33);
/* oklch */ color: oklch(49.9% 0.145 34.9);
Tailwind
colors: {
  custom: {
    50: '#c8765e',
    500: '#a53b21',
    950: '#000000',
  },
}
SCSS
$custom: #a53b21;
$custom-light: #c8765e;
$custom-dark: #000000;
JSON
{
  "hex": "#a53b21",
  "rgb": {
    "r": 165,
    "g": 59,
    "b": 33
  },
  "hsl": {
    "h": 11.818,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.49869,
    "c": 0.14545,
    "h": 34.9
  },
  "luminance": 0.11237
}

Semantic roles & 50–950 ramp

primary
#A53B21
secondary
#5EB0C4
accent
#C8EA3E
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#150904
muted
#837B79

Preview Lab

Preview with #A53B21

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

Preview Lab → · Contrast checker → · Palette generator →

#A53B21 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva