#B75537#B75537

#B75537 is a mid, vivid red. Relative luminance 0.168; OKLCH L 56.6% C 0.135 H 37.6°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX#B75537
RGBrgb(183, 85, 55)
HSLhsl(14, 54%, 47%)
HSVhsv(14, 70%, 72%)
CMYKcmyk(0%, 53.6%, 69.9%, 28.2%)
CIE-LABlab(48.06, 37.55, 35.95)
CIE-LCHlch(48.06, 51.98, 43.75°)
OKLaboklab(56.64% 0.1067 0.0823)
OKLCHoklch(56.64% 0.135 37.6)
XYZxyz(23.4687, 16.8430, 5.6289)
Luminance0.1684 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B75537 #3799B7
analogous
#B73759 #B75537 #B79537
triadic
#B75537 #37B755 #5537B7
tetradic
#B75537 #59B737 #3799B7 #9537B7
square
#B75537 #59B737 #3799B7 #9537B7
split-complementary
#B75537 #37B795 #3759B7
monochromatic
#59291B #883F29 #B75537 #CE775D #DC9F8C

Accessibility & contrast

On white

4.81
#B75537 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.37
#B75537 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B75537
4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B75537#FFFFFF#000000##FFFFFF
##B755371.004.814.374.81
#FFFFFF4.811.0021.001.00
#0000004.3721.001.0021.00
##FFFFFF4.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6F6534
Deuteranopia (green-blind)
#877A35
Tritanopia (blue-blind)
#C8414E
Achromatopsia (no color)
#727272

Design tokens & code

CSS
--color: #b75537;
/* rgb */ color: rgb(183, 85, 55);
/* oklch */ color: oklch(56.6% 0.135 37.6);
Tailwind
colors: {
  custom: {
    50: '#d3876f',
    500: '#b75537',
    950: '#000000',
  },
}
SCSS
$custom: #b75537;
$custom-light: #d3876f;
$custom-dark: #000000;
JSON
{
  "hex": "#b75537",
  "rgb": {
    "r": 183,
    "g": 85,
    "b": 55
  },
  "hsl": {
    "h": 14.062,
    "s": 53.782,
    "l": 46.667
  },
  "oklch": {
    "l": 0.56642,
    "c": 0.13478,
    "h": 37.6
  },
  "luminance": 0.1684
}

Semantic roles & 50–950 ramp

primary
#B75537
secondary
#83B7C7
accent
#BBDD4B
background
#FDF8F6
surface
#FBF0EC
border
#D4CBC7
text
#150B07
muted
#837C7A

Preview Lab

Preview with #B75537

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

Preview Lab → · Contrast checker → · Palette generator →

#B75537 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva