#BB5738#BB5738

#BB5738 is a mid, vivid red. Relative luminance 0.177; OKLCH L 57.6% C 0.137 H 37.8°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX#BB5738
RGBrgb(187, 87, 56)
HSLhsl(14, 54%, 48%)
HSVhsv(14, 70%, 73%)
CMYKcmyk(0%, 53.5%, 70.1%, 26.7%)
CIE-LABlab(49.09, 38.14, 36.74)
CIE-LCHlch(49.09, 52.96, 43.93°)
OKLaboklab(57.55% 0.1083 0.084)
OKLCHoklch(57.55% 0.137 37.8)
XYZxyz(24.6178, 17.6698, 5.8548)
Luminance0.1767 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#BB5738 #389CBB
analogous
#BB385B #BB5738 #BB9838
triadic
#BB5738 #38BB57 #5738BB
tetradic
#BB5738 #5BBB38 #389CBB #9838BB
square
#BB5738 #5BBB38 #389CBB #9838BB
split-complementary
#BB5738 #38BB98 #385BBB
monochromatic
#5D2B1C #8C412A #BB5738 #D07B61 #DEA290

Accessibility & contrast

On white

4.63
#BB5738 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.53
#BB5738 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #BB5738
4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##BB5738#FFFFFF#000000##FFFFFF
##BB57381.004.634.534.63
#FFFFFF4.631.0021.001.00
#0000004.5321.001.0021.00
##FFFFFF4.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#726735
Deuteranopia (green-blind)
#8A7D36
Tritanopia (blue-blind)
#CD4350
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #bb5738;
/* rgb */ color: rgb(187, 87, 56);
/* oklch */ color: oklch(57.6% 0.137 37.8);
Tailwind
colors: {
  custom: {
    50: '#d68970',
    500: '#bb5738',
    950: '#000000',
  },
}
SCSS
$custom: #bb5738;
$custom-light: #d68970;
$custom-dark: #000000;
JSON
{
  "hex": "#bb5738",
  "rgb": {
    "r": 187,
    "g": 87,
    "b": 56
  },
  "hsl": {
    "h": 14.198,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.57553,
    "c": 0.13711,
    "h": 37.8
  },
  "luminance": 0.17667
}

Semantic roles & 50–950 ramp

primary
#BB5738
secondary
#86B9C8
accent
#BBDD4B
background
#FEF8F6
surface
#FCF0EC
border
#D5CBC7
text
#160C07
muted
#847D7A

Preview Lab

Preview with #BB5738

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

Preview Lab → · Contrast checker → · Palette generator →

#BB5738 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva