#BB3420#BB3420

#BB3420 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.8% C 0.175 H 31.5°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX#BB3420
RGBrgb(187, 52, 32)
HSLhsl(8, 71%, 43%)
HSVhsv(8, 83%, 73%)
CMYKcmyk(0%, 72.2%, 82.9%, 26.7%)
CIE-LABlab(42.96, 52.80, 43.02)
CIE-LCHlch(42.96, 68.11, 39.17°)
OKLaboklab(52.85% 0.1493 0.0913)
OKLCHoklch(52.85% 0.175 31.5)
XYZxyz(21.9848, 13.1285, 2.7427)
Luminance0.1313 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#BB3420 #20A7BB
analogous
#BB2059 #BB3420 #BB8120
triadic
#BB3420 #20BB34 #3420BB
tetradic
#BB3420 #59BB20 #20A7BB #8120BB
square
#BB3420 #59BB20 #20A7BB #8120BB
split-complementary
#BB3420 #20BB81 #2059BB
monochromatic
#52170E #872517 #BB3420 #DD503B #E67E6F

Accessibility & contrast

On white

5.79
#BB3420 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.63
#BB3420 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3420
5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##BB3420#FFFFFF#000000##FFFFFF
##BB34201.005.793.635.79
#FFFFFF5.791.0021.001.00
#0000003.6321.001.0021.00
##FFFFFF5.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D521C
Deuteranopia (green-blind)
#7E7019
Tritanopia (blue-blind)
#CE0031
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #bb3420;
/* rgb */ color: rgb(187, 52, 32);
/* oklch */ color: oklch(52.8% 0.175 31.5);
Tailwind
colors: {
  custom: {
    50: '#d9755e',
    500: '#bb3420',
    950: '#000000',
  },
}
SCSS
$custom: #bb3420;
$custom-light: #d9755e;
$custom-dark: #000000;
JSON
{
  "hex": "#bb3420",
  "rgb": {
    "r": 187,
    "g": 52,
    "b": 32
  },
  "hsl": {
    "h": 7.742,
    "s": 70.776,
    "l": 42.941
  },
  "oklch": {
    "l": 0.52846,
    "c": 0.17497,
    "h": 31.5
  },
  "luminance": 0.13125
}

Semantic roles & 50–950 ramp

primary
#BB3420
secondary
#6AC0CD
accent
#D6EE3A
background
#FEF7F5
surface
#FDEDE9
border
#D5C8C5
text
#170904
muted
#857B79

Preview Lab

Preview with #BB3420

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

Preview Lab → · Contrast checker → · Palette generator →

#BB3420 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva