#B52C2A#B52C2A

#B52C2A is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.1% C 0.174 H 26.5°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX#B52C2A
RGBrgb(181, 44, 42)
HSLhsl(1, 62%, 44%)
HSVhsv(1, 77%, 71%)
CMYKcmyk(0%, 75.7%, 76.8%, 29%)
CIE-LABlab(40.89, 54.04, 35.14)
CIE-LCHlch(40.89, 64.46, 33.04°)
OKLaboklab(51.13% 0.1558 0.0778)
OKLCHoklch(51.13% 0.174 26.5)
XYZxyz(20.3771, 11.7955, 3.3939)
Luminance0.1179 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B52C2A #2AB3B5
analogous
#B52A6D #B52C2A #B5712A
triadic
#B52C2A #2AB52C #2C2AB5
tetradic
#B52C2A #6DB52A #2AB3B5 #712AB5
square
#B52C2A #6DB52A #2AB3B5 #712AB5
split-complementary
#B52C2A #2AB571 #2A6DB5
monochromatic
#521413 #83201E #B52C2A #D44A48 #E07B79

Accessibility & contrast

On white

6.25
#B52C2A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.36
#B52C2A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52C2A
6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B52C2A#FFFFFF#000000##FFFFFF
##B52C2A1.006.253.366.25
#FFFFFF6.251.0021.001.00
#0000003.3621.001.0021.00
##FFFFFF6.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564D28
Deuteranopia (green-blind)
#776B24
Tritanopia (blue-blind)
#C7002D
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #b52c2a;
/* rgb */ color: rgb(181, 44, 42);
/* oklch */ color: oklch(51.1% 0.174 26.5);
Tailwind
colors: {
  custom: {
    50: '#d47064',
    500: '#b52c2a',
    950: '#000000',
  },
}
SCSS
$custom: #b52c2a;
$custom-light: #d47064;
$custom-dark: #000000;
JSON
{
  "hex": "#b52c2a",
  "rgb": {
    "r": 181,
    "g": 44,
    "b": 42
  },
  "hsl": {
    "h": 0.863,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51127,
    "c": 0.17413,
    "h": 26.5
  },
  "luminance": 0.11792
}

Semantic roles & 50–950 ramp

primary
#B52C2A
secondary
#73C7C8
accent
#E3E542
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160805
muted
#847B7A

Preview Lab

Preview with #B52C2A

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

Preview Lab → · Contrast checker → · Palette generator →

#B52C2A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva