#B52F28#B52F28

#B52F28 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.4% C 0.172 H 27.9°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX#B52F28
RGBrgb(181, 47, 40)
HSLhsl(3, 64%, 43%)
HSVhsv(3, 78%, 71%)
CMYKcmyk(0%, 74%, 77.9%, 29%)
CIE-LABlab(41.24, 52.94, 36.65)
CIE-LCHlch(41.24, 64.39, 34.70°)
OKLaboklab(51.38% 0.1519 0.0806)
OKLCHoklch(51.38% 0.172 27.9)
XYZxyz(20.4580, 12.0132, 3.2486)
Luminance0.1201 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B52F28 #28AEB5
analogous
#B52867 #B52F28 #B57528
triadic
#B52F28 #28B52F #2F28B5
tetradic
#B52F28 #67B528 #28AEB5 #7528B5
square
#B52F28 #67B528 #28AEB5 #7528B5
split-complementary
#B52F28 #28B575 #2867B5
monochromatic
#511512 #83221D #B52F28 #D64C44 #E17C77

Accessibility & contrast

On white

6.17
#B52F28 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.40
#B52F28 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52F28
6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B52F28#FFFFFF#000000##FFFFFF
##B52F281.006.173.406.17
#FFFFFF6.171.0021.001.00
#0000003.4021.001.0021.00
##FFFFFF6.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574F26
Deuteranopia (green-blind)
#786C22
Tritanopia (blue-blind)
#C7002F
Achromatopsia (no color)
#616161

Design tokens & code

CSS
--color: #b52f28;
/* rgb */ color: rgb(181, 47, 40);
/* oklch */ color: oklch(51.4% 0.172 27.9);
Tailwind
colors: {
  custom: {
    50: '#d47263',
    500: '#b52f28',
    950: '#000000',
  },
}
SCSS
$custom: #b52f28;
$custom-light: #d47263;
$custom-dark: #000000;
JSON
{
  "hex": "#b52f28",
  "rgb": {
    "r": 181,
    "g": 47,
    "b": 40
  },
  "hsl": {
    "h": 2.979,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51379,
    "c": 0.17192,
    "h": 27.9
  },
  "luminance": 0.1201
}

Semantic roles & 50–950 ramp

primary
#B52F28
secondary
#70C4C8
accent
#DFE741
background
#FEF7F5
surface
#FCEDEA
border
#D5C8C6
text
#160805
muted
#847B79

Preview Lab

Preview with #B52F28

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

Preview Lab → · Contrast checker → · Palette generator →

#B52F28 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva