#B43B24#B43B24

#B43B24 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.4% C 0.161 H 32.9°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX#B43B24
RGBrgb(180, 59, 36)
HSLhsl(10, 67%, 42%)
HSVhsv(10, 80%, 71%)
CMYKcmyk(0%, 67.2%, 80%, 29.4%)
CIE-LABlab(42.71, 47.82, 40.28)
CIE-LCHlch(42.71, 62.52, 40.11°)
OKLaboklab(52.43% 0.1352 0.0873)
OKLCHoklch(52.43% 0.161 32.9)
XYZxyz(20.7072, 12.9617, 3.0802)
Luminance0.1296 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B43B24 #249DB4
analogous
#B42455 #B43B24 #B48324
triadic
#B43B24 #24B43B #3B24B4
tetradic
#B43B24 #55B424 #249DB4 #8324B4
square
#B43B24 #55B424 #249DB4 #8324B4
split-complementary
#B43B24 #24B483 #2455B4
monochromatic
#4E1A10 #812A1A #B43B24 #D8563D #E28270

Accessibility & contrast

On white

5.85
#B43B24 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.59
#B43B24 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43B24
5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B43B24#FFFFFF#000000##FFFFFF
##B43B241.005.853.595.85
#FFFFFF5.851.0021.001.00
#0000003.5921.001.0021.00
##FFFFFF5.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E5420
Deuteranopia (green-blind)
#7C6F1F
Tritanopia (blue-blind)
#C61537
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #b43b24;
/* rgb */ color: rgb(180, 59, 36);
/* oklch */ color: oklch(52.4% 0.161 32.9);
Tailwind
colors: {
  custom: {
    50: '#d37761',
    500: '#b43b24',
    950: '#000000',
  },
}
SCSS
$custom: #b43b24;
$custom-light: #d37761;
$custom-dark: #000000;
JSON
{
  "hex": "#b43b24",
  "rgb": {
    "r": 180,
    "g": 59,
    "b": 36
  },
  "hsl": {
    "h": 9.583,
    "s": 66.667,
    "l": 42.353
  },
  "oklch": {
    "l": 0.52432,
    "c": 0.16095,
    "h": 32.9
  },
  "luminance": 0.12959
}

Semantic roles & 50–950 ramp

primary
#B43B24
secondary
#6BBAC9
accent
#CEEA3E
background
#FEF7F5
surface
#FCEEEA
border
#D5C9C6
text
#160905
muted
#847B79

Preview Lab

Preview with #B43B24

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

Preview Lab → · Contrast checker → · Palette generator →

#B43B24 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva