#BB3B23#BB3B23

#BB3B23 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.6% C 0.168 H 32.8°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX#BB3B23
RGBrgb(187, 59, 35)
HSLhsl(9, 68%, 44%)
HSVhsv(9, 81%, 73%)
CMYKcmyk(0%, 68.4%, 81.3%, 26.7%)
CIE-LABlab(43.97, 50.19, 42.46)
CIE-LCHlch(43.97, 65.74, 40.23°)
OKLaboklab(53.61% 0.1417 0.0912)
OKLCHoklch(53.61% 0.168 32.8)
XYZxyz(22.3634, 13.8174, 3.0793)
Luminance0.1381 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#BB3B23 #23A3BB
analogous
#BB2357 #BB3B23 #BB8723
triadic
#BB3B23 #23BB3B #3B23BB
tetradic
#BB3B23 #57BB23 #23A3BB #8723BB
square
#BB3B23 #57BB23 #23A3BB #8723BB
split-complementary
#BB3B23 #23BB87 #2357BB
monochromatic
#541A10 #872B19 #BB3B23 #DB5840 #E58574

Accessibility & contrast

On white

5.58
#BB3B23 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.76
#BB3B23 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3B23
5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##BB3B23#FFFFFF#000000##FFFFFF
##BB3B231.005.583.765.58
#FFFFFF5.581.0021.001.00
#0000003.7621.001.0021.00
##FFFFFF5.581.0021.001.00

Color blindness preview

Protanopia (red-blind)
#61561F
Deuteranopia (green-blind)
#80721D
Tritanopia (blue-blind)
#CE0E37
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #bb3b23;
/* rgb */ color: rgb(187, 59, 35);
/* oklch */ color: oklch(53.6% 0.168 32.8);
Tailwind
colors: {
  custom: {
    50: '#d87860',
    500: '#bb3b23',
    950: '#000000',
  },
}
SCSS
$custom: #bb3b23;
$custom-light: #d87860;
$custom-dark: #000000;
JSON
{
  "hex": "#bb3b23",
  "rgb": {
    "r": 187,
    "g": 59,
    "b": 35
  },
  "hsl": {
    "h": 9.474,
    "s": 68.468,
    "l": 43.529
  },
  "oklch": {
    "l": 0.53613,
    "c": 0.16846,
    "h": 32.8
  },
  "luminance": 0.13814
}

Semantic roles & 50–950 ramp

primary
#BB3B23
secondary
#6EBDCC
accent
#D0EB3C
background
#FEF7F5
surface
#FDEEE9
border
#D5C9C5
text
#160905
muted
#847B79

Preview Lab

Preview with #BB3B23

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

Preview Lab → · Contrast checker → · Palette generator →

#BB3B23 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva