#B15537#B15537

#B15537 is a mid, vivid red. Relative luminance 0.161; OKLCH L 55.8% C 0.128 H 38.5°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX#B15537
RGBrgb(177, 85, 55)
HSLhsl(15, 53%, 45%)
HSVhsv(15, 69%, 69%)
CMYKcmyk(0%, 52%, 68.9%, 30.6%)
CIE-LABlab(47.13, 35.19, 34.64)
CIE-LCHlch(47.13, 49.38, 44.54°)
OKLaboklab(55.75% 0.1001 0.0797)
OKLCHoklch(55.75% 0.128 38.5)
XYZxyz(22.0716, 16.1226, 5.5634)
Luminance0.1612 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B15537 #3793B1
analogous
#B13756 #B15537 #B19237
triadic
#B15537 #37B155 #5537B1
tetradic
#B15537 #56B137 #3793B1 #9237B1
square
#B15537 #56B137 #3793B1 #9237B1
split-complementary
#B15537 #37B192 #3756B1
monochromatic
#54281A #823F28 #B15537 #CC765A #DA9C88

Accessibility & contrast

On white

4.97
#B15537 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.22
#B15537 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B15537
4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B15537#FFFFFF#000000##FFFFFF
##B155371.004.974.224.97
#FFFFFF4.971.0021.001.00
#0000004.2221.001.0021.00
##FFFFFF4.971.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6E6334
Deuteranopia (green-blind)
#847735
Tritanopia (blue-blind)
#C2434E
Achromatopsia (no color)
#707070

Design tokens & code

CSS
--color: #b15537;
/* rgb */ color: rgb(177, 85, 55);
/* oklch */ color: oklch(55.8% 0.128 38.5);
Tailwind
colors: {
  custom: {
    50: '#ce876f',
    500: '#b15537',
    950: '#000000',
  },
}
SCSS
$custom: #b15537;
$custom-light: #ce876f;
$custom-dark: #000000;
JSON
{
  "hex": "#b15537",
  "rgb": {
    "r": 177,
    "g": 85,
    "b": 55
  },
  "hsl": {
    "h": 14.754,
    "s": 52.586,
    "l": 45.49
  },
  "oklch": {
    "l": 0.55752,
    "c": 0.12795,
    "h": 38.5
  },
  "luminance": 0.1612
}

Semantic roles & 50–950 ramp

primary
#B15537
secondary
#80B3C4
accent
#B9DC4C
background
#FDF8F6
surface
#FAF0EC
border
#D3CBC7
text
#150B07
muted
#837C7A

Preview Lab

Preview with #B15537

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

Preview Lab → · Contrast checker → · Palette generator →

#B15537 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva