#B33128#B33128

#B33128 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.2% C 0.168 H 28.5°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX#B33128
RGBrgb(179, 49, 40)
HSLhsl(4, 63%, 43%)
HSVhsv(4, 78%, 70%)
CMYKcmyk(0%, 72.6%, 77.7%, 29.8%)
CIE-LABlab(41.12, 51.58, 36.41)
CIE-LCHlch(41.12, 63.13, 35.22°)
OKLaboklab(51.22% 0.1478 0.0802)
OKLCHoklch(51.22% 0.168 28.5)
XYZxyz(20.0741, 11.9366, 3.2541)
Luminance0.1193 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B33128 #28AAB3
analogous
#B32864 #B33128 #B37628
triadic
#B33128 #28B331 #3128B3
tetradic
#B33128 #64B328 #28AAB3 #7628B3
square
#B33128 #64B328 #28AAB3 #7628B3
split-complementary
#B33128 #28B376 #2864B3
monochromatic
#4F1612 #81231D #B33128 #D54D43 #E07C75

Accessibility & contrast

On white

6.20
#B33128 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.39
#B33128 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B33128
6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B33128#FFFFFF#000000##FFFFFF
##B331281.006.203.396.20
#FFFFFF6.201.0021.001.00
#0000003.3921.001.0021.00
##FFFFFF6.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#584F26
Deuteranopia (green-blind)
#786B23
Tritanopia (blue-blind)
#C50030
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #b33128;
/* rgb */ color: rgb(179, 49, 40);
/* oklch */ color: oklch(51.2% 0.168 28.5);
Tailwind
colors: {
  custom: {
    50: '#d27263',
    500: '#b33128',
    950: '#000000',
  },
}
SCSS
$custom: #b33128;
$custom-light: #d27263;
$custom-dark: #000000;
JSON
{
  "hex": "#b33128",
  "rgb": {
    "r": 179,
    "g": 49,
    "b": 40
  },
  "hsl": {
    "h": 3.885,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.51219,
    "c": 0.16818,
    "h": 28.5
  },
  "luminance": 0.11934
}

Semantic roles & 50–950 ramp

primary
#B33128
secondary
#6FC2C8
accent
#DCE641
background
#FEF7F5
surface
#FCEDEA
border
#D5C8C6
text
#160905
muted
#847B79

Preview Lab

Preview with #B33128

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

Preview Lab → · Contrast checker → · Palette generator →

#B33128 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva