#BB423A#BB423A

#BB423A is a mid, vivid red. Relative luminance 0.148; OKLCH L 54.7% C 0.158 H 27.3°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX#BB423A
RGBrgb(187, 66, 58)
HSLhsl(4, 53%, 48%)
HSVhsv(4, 69%, 73%)
CMYKcmyk(0%, 64.7%, 69%, 26.7%)
CIE-LABlab(45.32, 48.21, 31.21)
CIE-LCHlch(45.32, 57.43, 32.91°)
OKLaboklab(54.71% 0.1401 0.0723)
OKLCHoklch(54.71% 0.158 27.3)
XYZxyz(23.2079, 14.7700, 5.6310)
Luminance0.1477 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#BB423A #3AB3BB
analogous
#BB3A72 #BB423A #BB823A
triadic
#BB423A #3ABB42 #423ABB
tetradic
#BB423A #72BB3A #3AB3BB #823ABB
square
#BB423A #72BB3A #3AB3BB #823ABB
split-complementary
#BB423A #3ABB82 #3A72BB
monochromatic
#5E211D #8C322C #BB423A #CF6A63 #DD9792

Accessibility & contrast

On white

5.31
#BB423A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.95
#BB423A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB423A
5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##BB423A#FFFFFF#000000##FFFFFF
##BB423A1.005.313.955.31
#FFFFFF5.311.0021.001.00
#0000003.9521.001.0021.00
##FFFFFF5.311.0021.001.00

Color blindness preview

Protanopia (red-blind)
#635B38
Deuteranopia (green-blind)
#817536
Tritanopia (blue-blind)
#CD2441
Achromatopsia (no color)
#6B6B6B

Design tokens & code

CSS
--color: #bb423a;
/* rgb */ color: rgb(187, 66, 58);
/* oklch */ color: oklch(54.7% 0.158 27.3);
Tailwind
colors: {
  custom: {
    50: '#d77c70',
    500: '#bb423a',
    950: '#000000',
  },
}
SCSS
$custom: #bb423a;
$custom-light: #d77c70;
$custom-dark: #000000;
JSON
{
  "hex": "#bb423a",
  "rgb": {
    "r": 187,
    "g": 66,
    "b": 58
  },
  "hsl": {
    "h": 3.721,
    "s": 52.653,
    "l": 48.039
  },
  "oklch": {
    "l": 0.54708,
    "c": 0.1576,
    "h": 27.3
  },
  "luminance": 0.14767
}

Semantic roles & 50–950 ramp

primary
#BB423A
secondary
#88C4C8
accent
#D3DC4C
background
#FEF7F6
surface
#FCEEEC
border
#D5C9C7
text
#160A07
muted
#847C7A

Preview Lab

Preview with #BB423A

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

Preview Lab → · Contrast checker → · Palette generator →

#BB423A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva