#B05137#B05137

#B05137 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.0% C 0.131 H 36.2°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX#B05137
RGBrgb(176, 81, 55)
HSLhsl(13, 52%, 45%)
HSVhsv(13, 69%, 69%)
CMYKcmyk(0%, 54%, 68.8%, 31%)
CIE-LABlab(46.17, 36.87, 33.48)
CIE-LCHlch(46.17, 49.80, 42.24°)
OKLaboklab(54.99% 0.1053 0.0772)
OKLCHoklch(54.99% 0.131 36.2)
XYZxyz(21.5385, 15.3935, 5.4507)
Luminance0.1539 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B05137 #3796B0
analogous
#B03759 #B05137 #B08E37
triadic
#B05137 #37B051 #5137B0
tetradic
#B05137 #59B037 #3796B0 #8E37B0
square
#B05137 #59B037 #3796B0 #8E37B0
split-complementary
#B05137 #37B08E #3759B0
monochromatic
#53261A #813C28 #B05137 #CB7259 #DA9988

Accessibility & contrast

On white

5.15
#B05137 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.08
#B05137 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B05137
5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B05137#FFFFFF#000000##FFFFFF
##B051371.005.154.085.15
#FFFFFF5.151.0021.001.00
#0000004.0821.001.0021.00
##FFFFFF5.151.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6A6034
Deuteranopia (green-blind)
#827535
Tritanopia (blue-blind)
#C13E4B
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #b05137;
/* rgb */ color: rgb(176, 81, 55);
/* oklch */ color: oklch(55.0% 0.131 36.2);
Tailwind
colors: {
  custom: {
    50: '#ce846f',
    500: '#b05137',
    950: '#000000',
  },
}
SCSS
$custom: #b05137;
$custom-light: #ce846f;
$custom-dark: #000000;
JSON
{
  "hex": "#b05137",
  "rgb": {
    "r": 176,
    "g": 81,
    "b": 55
  },
  "hsl": {
    "h": 12.893,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.54986,
    "c": 0.13062,
    "h": 36.2
  },
  "luminance": 0.15391
}

Semantic roles & 50–950 ramp

primary
#B05137
secondary
#7FB5C4
accent
#BDDC4C
background
#FDF8F6
surface
#FAEFEC
border
#D3CAC7
text
#150B07
muted
#837C7A

Preview Lab

Preview with #B05137

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

Preview Lab → · Contrast checker → · Palette generator →

#B05137 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva