#B1573B#B1573B

#B1573B is a mid, vivid red. Relative luminance 0.165; OKLCH L 56.1% C 0.125 H 37.9°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX#B1573B
RGBrgb(177, 87, 59)
HSLhsl(14, 50%, 46%)
HSVhsv(14, 67%, 69%)
CMYKcmyk(0%, 50.8%, 66.7%, 30.6%)
CIE-LABlab(47.60, 34.39, 32.95)
CIE-LCHlch(47.60, 47.63, 43.78°)
OKLaboklab(56.12% 0.0983 0.0767)
OKLCHoklch(56.12% 0.125 37.9)
XYZxyz(22.3311, 16.4819, 6.1422)
Luminance0.1648 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1573B #3B95B1
analogous
#B13B5A #B1573B #B1923B
triadic
#B1573B #3BB157 #573BB1
tetradic
#B1573B #5AB13B #3B95B1 #923BB1
square
#B1573B #5AB13B #3B95B1 #923BB1
split-complementary
#B1573B #3BB192 #3B5AB1
monochromatic
#552A1C #83402C #B1573B #CA795F #D99F8D

Accessibility & contrast

On white

4.89
#B1573B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.30
#B1573B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1573B
4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1573B#FFFFFF#000000##FFFFFF
##B1573B1.004.894.304.89
#FFFFFF4.891.0021.001.00
#0000004.3021.001.0021.00
##FFFFFF4.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6F6538
Deuteranopia (green-blind)
#857839
Tritanopia (blue-blind)
#C24651
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #b1573b;
/* rgb */ color: rgb(177, 87, 59);
/* oklch */ color: oklch(56.1% 0.125 37.9);
Tailwind
colors: {
  custom: {
    50: '#ce8872',
    500: '#b1573b',
    950: '#000000',
  },
}
SCSS
$custom: #b1573b;
$custom-light: #ce8872;
$custom-dark: #000000;
JSON
{
  "hex": "#b1573b",
  "rgb": {
    "r": 177,
    "g": 87,
    "b": 59
  },
  "hsl": {
    "h": 14.237,
    "s": 50,
    "l": 46.275
  },
  "oklch": {
    "l": 0.56124,
    "c": 0.12468,
    "h": 37.9
  },
  "luminance": 0.16479
}

Semantic roles & 50–950 ramp

primary
#B1573B
secondary
#84B5C4
accent
#B8DA4E
background
#FDF8F6
surface
#FAF0EC
border
#D3CBC7
text
#150B08
muted
#837C7B

Preview Lab

Preview with #B1573B

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

Preview Lab → · Contrast checker → · Palette generator →

#B1573B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva