#B53A24#B53A24

#B53A24 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.163 H 32.5°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX#B53A24
RGBrgb(181, 58, 36)
HSLhsl(9, 67%, 43%)
HSVhsv(9, 80%, 71%)
CMYKcmyk(0%, 68%, 80.1%, 29%)
CIE-LABlab(42.73, 48.58, 40.36)
CIE-LCHlch(42.73, 63.16, 39.72°)
OKLaboklab(52.49% 0.1375 0.0874)
OKLCHoklch(52.49% 0.163 32.5)
XYZxyz(20.8899, 12.9804, 3.0742)
Luminance0.1298 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B53A24 #249FB5
analogous
#B52457 #B53A24 #B58224
triadic
#B53A24 #24B53A #3A24B5
tetradic
#B53A24 #57B524 #249FB5 #8224B5
square
#B53A24 #57B524 #249FB5 #8224B5
split-complementary
#B53A24 #24B582 #2457B5
monochromatic
#4F1910 #822A1A #B53A24 #D9553E #E38271

Accessibility & contrast

On white

5.84
#B53A24 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.60
#B53A24 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53A24
5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B53A24#FFFFFF#000000##FFFFFF
##B53A241.005.843.605.84
#FFFFFF5.841.0021.001.00
#0000003.6021.001.0021.00
##FFFFFF5.841.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E5420
Deuteranopia (green-blind)
#7C6F1F
Tritanopia (blue-blind)
#C71136
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #b53a24;
/* rgb */ color: rgb(181, 58, 36);
/* oklch */ color: oklch(52.5% 0.163 32.5);
Tailwind
colors: {
  custom: {
    50: '#d47761',
    500: '#b53a24',
    950: '#000000',
  },
}
SCSS
$custom: #b53a24;
$custom-light: #d47761;
$custom-dark: #000000;
JSON
{
  "hex": "#b53a24",
  "rgb": {
    "r": 181,
    "g": 58,
    "b": 36
  },
  "hsl": {
    "h": 9.103,
    "s": 66.82,
    "l": 42.549
  },
  "oklch": {
    "l": 0.52486,
    "c": 0.16291,
    "h": 32.5
  },
  "luminance": 0.12977
}

Semantic roles & 50–950 ramp

primary
#B53A24
secondary
#6BBBC9
accent
#D0EA3E
background
#FEF7F5
surface
#FCEDEA
border
#D5C8C6
text
#160905
muted
#847B79

Preview Lab

Preview with #B53A24

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

Preview Lab → · Contrast checker → · Palette generator →

#B53A24 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva