#B43820#B43820

#B43820 is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.1% C 0.164 H 33.0°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX#B43820
RGBrgb(180, 56, 32)
HSLhsl(10, 70%, 42%)
HSVhsv(10, 82%, 71%)
CMYKcmyk(0%, 68.9%, 82.2%, 29.4%)
CIE-LABlab(42.21, 48.93, 41.86)
CIE-LCHlch(42.21, 64.39, 40.55°)
OKLaboklab(52.05% 0.1379 0.0894)
OKLCHoklch(52.05% 0.164 33)
XYZxyz(20.4997, 12.6390, 2.7264)
Luminance0.1264 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B43820 #209CB4
analogous
#B42052 #B43820 #B48220
triadic
#B43820 #20B438 #3820B4
tetradic
#B43820 #52B420 #209CB4 #8220B4
square
#B43820 #52B420 #209CB4 #8220B4
split-complementary
#B43820 #20B482 #2052B4
monochromatic
#4C180E #802817 #B43820 #DB5136 #E47E6A

Accessibility & contrast

On white

5.95
#B43820 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.53
#B43820 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43820
5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B43820#FFFFFF#000000##FFFFFF
##B438201.005.953.535.95
#FFFFFF5.951.0021.001.00
#0000003.5321.001.0021.00
##FFFFFF5.951.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5C521C
Deuteranopia (green-blind)
#7B6E1A
Tritanopia (blue-blind)
#C60A34
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #b43820;
/* rgb */ color: rgb(180, 56, 32);
/* oklch */ color: oklch(52.1% 0.164 33.0);
Tailwind
colors: {
  custom: {
    50: '#d3765e',
    500: '#b43820',
    950: '#000000',
  },
}
SCSS
$custom: #b43820;
$custom-light: #d3765e;
$custom-dark: #000000;
JSON
{
  "hex": "#b43820",
  "rgb": {
    "r": 180,
    "g": 56,
    "b": 32
  },
  "hsl": {
    "h": 9.73,
    "s": 69.811,
    "l": 41.569
  },
  "oklch": {
    "l": 0.52052,
    "c": 0.16438,
    "h": 33
  },
  "luminance": 0.12636
}

Semantic roles & 50–950 ramp

primary
#B43820
secondary
#66BACA
accent
#D0ED3B
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160904
muted
#847B79

Preview Lab

Preview with #B43820

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

Preview Lab → · Contrast checker → · Palette generator →

#B43820 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva