#B13323#B13323

#B13323 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.0% C 0.165 H 30.6°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX#B13323
RGBrgb(177, 51, 35)
HSLhsl(7, 67%, 42%)
HSVhsv(7, 80%, 69%)
CMYKcmyk(0%, 71.2%, 80.2%, 30.6%)
CIE-LABlab(40.96, 49.99, 38.88)
CIE-LCHlch(40.96, 63.33, 37.87°)
OKLaboklab(51.02% 0.1421 0.0842)
OKLCHoklch(51.02% 0.165 30.6)
XYZxyz(19.6210, 11.8391, 2.8418)
Luminance0.1184 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B13323 #23A1B1
analogous
#B1235A #B13323 #B17A23
triadic
#B13323 #23B133 #3323B1
tetradic
#B13323 #5AB123 #23A1B1 #7A23B1
square
#B13323 #5AB123 #23A1B1 #7A23B1
split-complementary
#B13323 #23B17A #235AB1
monochromatic
#4B160F #7E2419 #B13323 #D84B39 #E27A6C

Accessibility & contrast

On white

6.24
#B13323 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.37
#B13323 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13323
6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B13323#FFFFFF#000000##FFFFFF
##B133231.006.243.376.24
#FFFFFF6.241.0021.001.00
#0000003.3721.001.0021.00
##FFFFFF6.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#584F20
Deuteranopia (green-blind)
#786B1D
Tritanopia (blue-blind)
#C30030
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #b13323;
/* rgb */ color: rgb(177, 51, 35);
/* oklch */ color: oklch(51.0% 0.165 30.6);
Tailwind
colors: {
  custom: {
    50: '#d1735f',
    500: '#b13323',
    950: '#000000',
  },
}
SCSS
$custom: #b13323;
$custom-light: #d1735f;
$custom-dark: #000000;
JSON
{
  "hex": "#b13323",
  "rgb": {
    "r": 177,
    "g": 51,
    "b": 35
  },
  "hsl": {
    "h": 6.761,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.51018,
    "c": 0.16517,
    "h": 30.6
  },
  "luminance": 0.11836
}

Semantic roles & 50–950 ramp

primary
#B13323
secondary
#68BDC8
accent
#D7EA3E
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160905
muted
#847B79

Preview Lab

Preview with #B13323

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

Preview Lab → · Contrast checker → · Palette generator →

#B13323 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva