#A53D21#A53D21

#A53D21 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.1% C 0.144 H 35.8°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX#A53D21
RGBrgb(165, 61, 33)
HSLhsl(13, 67%, 39%)
HSVhsv(13, 80%, 65%)
CMYKcmyk(0%, 63%, 80%, 35.3%)
CIE-LABlab(40.33, 41.46, 38.59)
CIE-LCHlch(40.33, 56.63, 42.95°)
OKLaboklab(50.13% 0.1165 0.0839)
OKLCHoklch(50.13% 0.144 35.8)
XYZxyz(17.4622, 11.4491, 2.7289)
Luminance0.1145 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A53D21 #2189A5
analogous
#A52147 #A53D21 #A57F21
triadic
#A53D21 #21A53D #3D21A5
tetradic
#A53D21 #47A521 #2189A5 #7F21A5
square
#A53D21 #47A521 #2189A5 #7F21A5
split-complementary
#A53D21 #21A57F #2147A5
monochromatic
#3F170D #722A17 #A53D21 #D5512E #DF7C61

Accessibility & contrast

On white

6.38
#A53D21 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.29
#A53D21 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A53D21
6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A53D21#FFFFFF#000000##FFFFFF
##A53D211.006.383.296.38
#FFFFFF6.381.0021.001.00
#0000003.2921.001.0021.00
##FFFFFF6.381.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A511D
Deuteranopia (green-blind)
#74681D
Tritanopia (blue-blind)
#B62237
Achromatopsia (no color)
#5F5F5F

Design tokens & code

CSS
--color: #a53d21;
/* rgb */ color: rgb(165, 61, 33);
/* oklch */ color: oklch(50.1% 0.144 35.8);
Tailwind
colors: {
  custom: {
    50: '#c8775e',
    500: '#a53d21',
    950: '#000000',
  },
}
SCSS
$custom: #a53d21;
$custom-light: #c8775e;
$custom-dark: #000000;
JSON
{
  "hex": "#a53d21",
  "rgb": {
    "r": 165,
    "g": 61,
    "b": 33
  },
  "hsl": {
    "h": 12.727,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.5013,
    "c": 0.14357,
    "h": 35.8
  },
  "luminance": 0.11447
}

Semantic roles & 50–950 ramp

primary
#A53D21
secondary
#5EAEC4
accent
#C5EA3E
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#150904
muted
#837B79

Preview Lab

Preview with #A53D21

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

Preview Lab → · Contrast checker → · Palette generator →

#A53D21 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva