#BB503B#BB503B

#BB503B is a mid, vivid red. Relative luminance 0.166; OKLCH L 56.6% C 0.143 H 32.8°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX#BB503B
RGBrgb(187, 80, 59)
HSLhsl(10, 52%, 48%)
HSVhsv(10, 68%, 73%)
CMYKcmyk(0%, 57.2%, 68.4%, 26.7%)
CIE-LABlab(47.78, 41.79, 33.55)
CIE-LCHlch(47.78, 53.59, 38.75°)
OKLaboklab(56.57% 0.1202 0.0776)
OKLCHoklch(56.57% 0.143 32.8)
XYZxyz(24.1539, 16.6210, 6.0731)
Luminance0.1662 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#BB503B #3BA6BB
analogous
#BB3B66 #BB503B #BB903B
triadic
#BB503B #3BBB50 #503BBB
tetradic
#BB503B #66BB3B #3BA6BB #903BBB
square
#BB503B #66BB3B #3BA6BB #903BBB
split-complementary
#BB503B #3BBB90 #3B66BB
monochromatic
#5E281E #8C3C2C #BB503B #CE7665 #DD9F93

Accessibility & contrast

On white

4.86
#BB503B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.32
#BB503B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB503B
4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##BB503B#FFFFFF#000000##FFFFFF
##BB503B1.004.864.324.86
#FFFFFF4.861.0021.001.00
#0000004.3221.001.0021.00
##FFFFFF4.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6C6338
Deuteranopia (green-blind)
#877A38
Tritanopia (blue-blind)
#CD3A4B
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #bb503b;
/* rgb */ color: rgb(187, 80, 59);
/* oklch */ color: oklch(56.6% 0.143 32.8);
Tailwind
colors: {
  custom: {
    50: '#d68471',
    500: '#bb503b',
    950: '#000000',
  },
}
SCSS
$custom: #bb503b;
$custom-light: #d68471;
$custom-dark: #000000;
JSON
{
  "hex": "#bb503b",
  "rgb": {
    "r": 187,
    "g": 80,
    "b": 59
  },
  "hsl": {
    "h": 9.844,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.56568,
    "c": 0.14305,
    "h": 32.8
  },
  "luminance": 0.16618
}

Semantic roles & 50–950 ramp

primary
#BB503B
secondary
#8ABEC8
accent
#C4DB4C
background
#FEF8F6
surface
#FCEFEC
border
#D5CAC7
text
#160B08
muted
#847C7B

Preview Lab

Preview with #BB503B

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

Preview Lab → · Contrast checker → · Palette generator →

#BB503B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva