#B13433#B13433

#B13433 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.3% C 0.162 H 25.3°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX#B13433
RGBrgb(177, 52, 51)
HSLhsl(0, 55%, 45%)
HSVhsv(0, 71%, 69%)
CMYKcmyk(0%, 70.6%, 71.2%, 30.6%)
CIE-LABlab(41.29, 50.26, 30.11)
CIE-LCHlch(41.29, 58.59, 30.93°)
OKLaboklab(51.32% 0.1463 0.0691)
OKLCHoklch(51.32% 0.162 25.3)
XYZxyz(19.9592, 12.0451, 4.4053)
Luminance0.1204 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B13433 #33B0B1
analogous
#B13371 #B13433 #B17333
triadic
#B13433 #33B134 #3433B1
tetradic
#B13433 #71B133 #33B0B1 #7333B1
square
#B13433 #71B133 #33B0B1 #7333B1
split-complementary
#B13433 #33B173 #3371B1
monochromatic
#521818 #812625 #B13433 #CE5554 #DB8483

Accessibility & contrast

On white

6.16
#B13433 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.41
#B13433 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13433
6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B13433#FFFFFF#000000##FFFFFF
##B134331.006.163.416.16
#FFFFFF6.161.0021.001.00
#0000003.4121.001.0021.00
##FFFFFF6.161.0021.001.00

Color blindness preview

Protanopia (red-blind)
#575032
Deuteranopia (green-blind)
#776B2F
Tritanopia (blue-blind)
#C30835
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #b13433;
/* rgb */ color: rgb(177, 52, 51);
/* oklch */ color: oklch(51.3% 0.162 25.3);
Tailwind
colors: {
  custom: {
    50: '#d0746b',
    500: '#b13433',
    950: '#000000',
  },
}
SCSS
$custom: #b13433;
$custom-light: #d0746b;
$custom-dark: #000000;
JSON
{
  "hex": "#b13433",
  "rgb": {
    "r": 177,
    "g": 52,
    "b": 51
  },
  "hsl": {
    "h": 0.476,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51323,
    "c": 0.16179,
    "h": 25.3
  },
  "luminance": 0.12042
}

Semantic roles & 50–950 ramp

primary
#B13433
secondary
#7BC4C5
accent
#DDDF49
background
#FDF7F6
surface
#FBEDEB
border
#D4C8C6
text
#150906
muted
#837B7A

Preview Lab

Preview with #B13433

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

Preview Lab → · Contrast checker → · Palette generator →

#B13433 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva