#B42C18#B42C18

#B42C18 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.8% C 0.176 H 31.5°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX#B42C18
RGBrgb(180, 44, 24)
HSLhsl(8, 76%, 40%)
HSVhsv(8, 87%, 71%)
CMYKcmyk(0%, 75.6%, 86.7%, 29.4%)
CIE-LABlab(40.53, 53.18, 44.26)
CIE-LCHlch(40.53, 69.19, 39.76°)
OKLaboklab(50.77% 0.1498 0.0916)
OKLCHoklch(50.77% 0.176 31.5)
XYZxyz(19.8904, 11.5738, 2.0506)
Luminance0.1157 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B42C18 #18A0B4
analogous
#B41852 #B42C18 #B47A18
triadic
#B42C18 #18B42C #2C18B4
tetradic
#B42C18 #52B418 #18A0B4 #7A18B4
square
#B42C18 #52B418 #18A0B4 #7A18B4
split-complementary
#B42C18 #18B47A #1852B4
monochromatic
#48120A #7E1F11 #B42C18 #E23F27 #E96F5D

Accessibility & contrast

On white

6.34
#B42C18 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.31
#B42C18 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B42C18
6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B42C18#FFFFFF#000000##FFFFFF
##B42C181.006.343.316.34
#FFFFFF6.341.0021.001.00
#0000003.3121.001.0021.00
##FFFFFF6.341.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564C13
Deuteranopia (green-blind)
#786A0E
Tritanopia (blue-blind)
#C70029
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #b42c18;
/* rgb */ color: rgb(180, 44, 24);
/* oklch */ color: oklch(50.8% 0.176 31.5);
Tailwind
colors: {
  custom: {
    50: '#d47058',
    500: '#b42c18',
    950: '#000000',
  },
}
SCSS
$custom: #b42c18;
$custom-light: #d47058;
$custom-dark: #000000;
JSON
{
  "hex": "#b42c18",
  "rgb": {
    "r": 180,
    "g": 44,
    "b": 24
  },
  "hsl": {
    "h": 7.692,
    "s": 76.471,
    "l": 40
  },
  "oklch": {
    "l": 0.50773,
    "c": 0.17558,
    "h": 31.5
  },
  "luminance": 0.11571
}

Semantic roles & 50–950 ramp

primary
#B42C18
secondary
#5BBFCD
accent
#DBF335
background
#FEF7F5
surface
#FDEDE9
border
#D5C8C5
text
#160803
muted
#847B78

Preview Lab

Preview with #B42C18

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

Preview Lab → · Contrast checker → · Palette generator →

#B42C18 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva