#B53D22#B53D22

#B53D22 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.161 H 34.1°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX#B53D22
RGBrgb(181, 61, 34)
HSLhsl(11, 68%, 42%)
HSVhsv(11, 81%, 71%)
CMYKcmyk(0%, 66.3%, 81.2%, 29%)
CIE-LABlab(43.18, 47.25, 41.84)
CIE-LCHlch(43.18, 63.11, 41.52°)
OKLaboklab(52.82% 0.133 0.09)
OKLCHoklch(52.82% 0.161 34.1)
XYZxyz(21.0159, 13.2798, 2.9697)
Luminance0.1328 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B53D22 #229AB5
analogous
#B52251 #B53D22 #B58622
triadic
#B53D22 #22B53D #3D22B5
tetradic
#B53D22 #51B522 #229AB5 #8622B5
square
#B53D22 #51B522 #229AB5 #8622B5
split-complementary
#B53D22 #22B586 #2251B5
monochromatic
#4E1A0F #812C18 #B53D22 #DA583A #E4836E

Accessibility & contrast

On white

5.74
#B53D22 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.66
#B53D22 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53D22
5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B53D22#FFFFFF#000000##FFFFFF
##B53D221.005.743.665.74
#FFFFFF5.741.0021.001.00
#0000003.6621.001.0021.00
##FFFFFF5.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#60551E
Deuteranopia (green-blind)
#7D701D
Tritanopia (blue-blind)
#C71938
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #b53d22;
/* rgb */ color: rgb(181, 61, 34);
/* oklch */ color: oklch(52.8% 0.161 34.1);
Tailwind
colors: {
  custom: {
    50: '#d4795f',
    500: '#b53d22',
    950: '#000000',
  },
}
SCSS
$custom: #b53d22;
$custom-light: #d4795f;
$custom-dark: #000000;
JSON
{
  "hex": "#b53d22",
  "rgb": {
    "r": 181,
    "g": 61,
    "b": 34
  },
  "hsl": {
    "h": 11.02,
    "s": 68.372,
    "l": 42.157
  },
  "oklch": {
    "l": 0.52817,
    "c": 0.16058,
    "h": 34.1
  },
  "luminance": 0.13277
}

Semantic roles & 50–950 ramp

primary
#B53D22
secondary
#69B8CA
accent
#CBEB3D
background
#FEF7F5
surface
#FCEEE9
border
#D5C9C5
text
#160905
muted
#847B79

Preview Lab

Preview with #B53D22

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

Preview Lab → · Contrast checker → · Palette generator →

#B53D22 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva