#B43A20#B43A20

#B43A20 is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.3% C 0.163 H 33.6°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX#B43A20
RGBrgb(180, 58, 32)
HSLhsl(11, 70%, 42%)
HSVhsv(11, 82%, 71%)
CMYKcmyk(0%, 67.8%, 82.2%, 29.4%)
CIE-LABlab(42.52, 48.11, 42.14)
CIE-LCHlch(42.52, 63.96, 41.22°)
OKLaboklab(52.28% 0.1354 0.0901)
OKLCHoklch(52.28% 0.163 33.6)
XYZxyz(20.5985, 12.8368, 2.7593)
Luminance0.1283 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B43A20 #209AB4
analogous
#B42050 #B43A20 #B48420
triadic
#B43A20 #20B43A #3A20B4
tetradic
#B43A20 #50B420 #209AB4 #8420B4
square
#B43A20 #50B420 #209AB4 #8420B4
split-complementary
#B43A20 #20B484 #2050B4
monochromatic
#4C190E #802917 #B43A20 #DB5336 #E47F6A

Accessibility & contrast

On white

5.89
#B43A20 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.57
#B43A20 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43A20
5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B43A20#FFFFFF#000000##FFFFFF
##B43A201.005.893.575.89
#FFFFFF5.891.0021.001.00
#0000003.5721.001.0021.00
##FFFFFF5.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E531C
Deuteranopia (green-blind)
#7C6E1A
Tritanopia (blue-blind)
#C61135
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #b43a20;
/* rgb */ color: rgb(180, 58, 32);
/* oklch */ color: oklch(52.3% 0.163 33.6);
Tailwind
colors: {
  custom: {
    50: '#d3775e',
    500: '#b43a20',
    950: '#000000',
  },
}
SCSS
$custom: #b43a20;
$custom-light: #d3775e;
$custom-dark: #000000;
JSON
{
  "hex": "#b43a20",
  "rgb": {
    "r": 180,
    "g": 58,
    "b": 32
  },
  "hsl": {
    "h": 10.541,
    "s": 69.811,
    "l": 41.569
  },
  "oklch": {
    "l": 0.52278,
    "c": 0.1626,
    "h": 33.6
  },
  "luminance": 0.12834
}

Semantic roles & 50–950 ramp

primary
#B43A20
secondary
#66B9CA
accent
#CDED3B
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160904
muted
#847B79

Preview Lab

Preview with #B43A20

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

Preview Lab → · Contrast checker → · Palette generator →

#B43A20 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva