#BB4531#BB4531

#BB4531 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.0% C 0.156 H 31.9°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX#BB4531
RGBrgb(187, 69, 49)
HSLhsl(9, 58%, 46%)
HSVhsv(9, 74%, 73%)
CMYKcmyk(0%, 63.1%, 73.8%, 26.7%)
CIE-LABlab(45.70, 46.45, 36.77)
CIE-LCHlch(45.70, 59.24, 38.37°)
OKLaboklab(54.96% 0.1327 0.0827)
OKLCHoklch(54.96% 0.156 31.9)
XYZxyz(23.1785, 15.0461, 4.5888)
Luminance0.1504 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#BB4531 #31A7BB
analogous
#BB3162 #BB4531 #BB8A31
triadic
#BB4531 #31BB45 #4531BB
tetradic
#BB4531 #62BB31 #31A7BB #8A31BB
square
#BB4531 #62BB31 #31A7BB #8A31BB
split-complementary
#BB4531 #31BB8A #3162BB
monochromatic
#5A2118 #8B3324 #BB4531 #D36856 #E09487

Accessibility & contrast

On white

5.24
#BB4531 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.01
#BB4531 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB4531
5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##BB4531#FFFFFF#000000##FFFFFF
##BB45311.005.244.015.24
#FFFFFF5.241.0021.001.00
#0000004.0121.001.0021.00
##FFFFFF5.241.0021.001.00

Color blindness preview

Protanopia (red-blind)
#665C2E
Deuteranopia (green-blind)
#83762D
Tritanopia (blue-blind)
#CE2841
Achromatopsia (no color)
#6C6C6C

Design tokens & code

CSS
--color: #bb4531;
/* rgb */ color: rgb(187, 69, 49);
/* oklch */ color: oklch(55.0% 0.156 31.9);
Tailwind
colors: {
  custom: {
    50: '#d77e6a',
    500: '#bb4531',
    950: '#000000',
  },
}
SCSS
$custom: #bb4531;
$custom-light: #d77e6a;
$custom-dark: #000000;
JSON
{
  "hex": "#bb4531",
  "rgb": {
    "r": 187,
    "g": 69,
    "b": 49
  },
  "hsl": {
    "h": 8.696,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.54957,
    "c": 0.15637,
    "h": 31.9
  },
  "luminance": 0.15043
}

Semantic roles & 50–950 ramp

primary
#BB4531
secondary
#7FBEC9
accent
#CBE246
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160A06
muted
#847C7A

Preview Lab

Preview with #BB4531

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

Preview Lab → · Contrast checker → · Palette generator →

#BB4531 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva