#B43520#B43520

#B43520 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.7% C 0.167 H 32.0°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX#B43520
RGBrgb(180, 53, 32)
HSLhsl(9, 70%, 42%)
HSVhsv(9, 82%, 71%)
CMYKcmyk(0%, 70.6%, 82.2%, 29.4%)
CIE-LABlab(41.78, 50.12, 41.44)
CIE-LCHlch(41.78, 65.04, 39.59°)
OKLaboklab(51.73% 0.1416 0.0885)
OKLCHoklch(51.73% 0.167 32)
XYZxyz(20.3586, 12.3569, 2.6794)
Luminance0.1235 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B43520 #209FB4
analogous
#B42055 #B43520 #B47F20
triadic
#B43520 #20B435 #3520B4
tetradic
#B43520 #55B420 #209FB4 #7F20B4
square
#B43520 #55B420 #209FB4 #7F20B4
split-complementary
#B43520 #20B47F #2055B4
monochromatic
#4C160E #802617 #B43520 #DB4D36 #E47B6A

Accessibility & contrast

On white

6.05
#B43520 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.47
#B43520 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43520
6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B43520#FFFFFF#000000##FFFFFF
##B435201.006.053.476.05
#FFFFFF6.051.0021.001.00
#0000003.4721.001.0021.00
##FFFFFF6.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5B511C
Deuteranopia (green-blind)
#7A6D1A
Tritanopia (blue-blind)
#C60031
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #b43520;
/* rgb */ color: rgb(180, 53, 32);
/* oklch */ color: oklch(51.7% 0.167 32.0);
Tailwind
colors: {
  custom: {
    50: '#d4745e',
    500: '#b43520',
    950: '#000000',
  },
}
SCSS
$custom: #b43520;
$custom-light: #d4745e;
$custom-dark: #000000;
JSON
{
  "hex": "#b43520",
  "rgb": {
    "r": 180,
    "g": 53,
    "b": 32
  },
  "hsl": {
    "h": 8.514,
    "s": 69.811,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51725,
    "c": 0.16701,
    "h": 32
  },
  "luminance": 0.12354
}

Semantic roles & 50–950 ramp

primary
#B43520
secondary
#66BCCA
accent
#D3ED3B
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160904
muted
#847B79

Preview Lab

Preview with #B43520

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

Preview Lab → · Contrast checker → · Palette generator →

#B43520 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva