#B43D27#B43D27

#B43D27 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.159 H 32.6°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX#B43D27
RGBrgb(180, 61, 39)
HSLhsl(9, 64%, 43%)
HSVhsv(9, 78%, 71%)
CMYKcmyk(0%, 66.1%, 78.3%, 29.4%)
CIE-LABlab(43.05, 47.08, 39.03)
CIE-LCHlch(43.05, 61.15, 39.66°)
OKLaboklab(52.7% 0.1335 0.0855)
OKLCHoklch(52.7% 0.159 32.6)
XYZxyz(20.8597, 13.1903, 3.3667)
Luminance0.1319 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B43D27 #279EB4
analogous
#B42757 #B43D27 #B48427
triadic
#B43D27 #27B43D #3D27B4
tetradic
#B43D27 #57B427 #279EB4 #8427B4
square
#B43D27 #57B427 #279EB4 #8427B4
split-complementary
#B43D27 #27B484 #2757B4
monochromatic
#4F1B11 #822C1C #B43D27 #D65942 #E18574

Accessibility & contrast

On white

5.77
#B43D27 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.64
#B43D27 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43D27
5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B43D27#FFFFFF#000000##FFFFFF
##B43D271.005.773.645.77
#FFFFFF5.771.0021.001.00
#0000003.6421.001.0021.00
##FFFFFF5.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F5524
Deuteranopia (green-blind)
#7C6F22
Tritanopia (blue-blind)
#C61B39
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #b43d27;
/* rgb */ color: rgb(180, 61, 39);
/* oklch */ color: oklch(52.7% 0.159 32.6);
Tailwind
colors: {
  custom: {
    50: '#d37963',
    500: '#b43d27',
    950: '#000000',
  },
}
SCSS
$custom: #b43d27;
$custom-light: #d37963;
$custom-dark: #000000;
JSON
{
  "hex": "#b43d27",
  "rgb": {
    "r": 180,
    "g": 61,
    "b": 39
  },
  "hsl": {
    "h": 9.362,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.52698,
    "c": 0.15853,
    "h": 32.6
  },
  "luminance": 0.13187
}

Semantic roles & 50–950 ramp

primary
#B43D27
secondary
#6FBAC8
accent
#CDE740
background
#FEF7F5
surface
#FCEEEA
border
#D5C9C6
text
#160905
muted
#847B79

Preview Lab

Preview with #B43D27

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

Preview Lab → · Contrast checker → · Palette generator →

#B43D27 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva