#B52B28#B52B28

#B52B28 is a mid, vivid red. Relative luminance 0.117; OKLCH L 51.0% C 0.175 H 27.0°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX#B52B28
RGBrgb(181, 43, 40)
HSLhsl(1, 64%, 43%)
HSVhsv(1, 78%, 71%)
CMYKcmyk(0%, 76.2%, 77.9%, 29%)
CIE-LABlab(40.75, 54.30, 36.14)
CIE-LCHlch(40.75, 65.22, 33.64°)
OKLaboklab(51.02% 0.1562 0.0794)
OKLCHoklch(51.02% 0.175 27)
XYZxyz(20.3054, 11.7079, 3.1978)
Luminance0.1171 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B52B28 #28B2B5
analogous
#B5286B #B52B28 #B57228
triadic
#B52B28 #28B52B #2B28B5
tetradic
#B52B28 #6BB528 #28B2B5 #7228B5
square
#B52B28 #6BB528 #28B2B5 #7228B5
split-complementary
#B52B28 #28B572 #286BB5
monochromatic
#511312 #831F1D #B52B28 #D64844 #E17977

Accessibility & contrast

On white

6.29
#B52B28 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.34
#B52B28 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52B28
6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B52B28#FFFFFF#000000##FFFFFF
##B52B281.006.293.346.29
#FFFFFF6.291.0021.001.00
#0000003.3421.001.0021.00
##FFFFFF6.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#554D26
Deuteranopia (green-blind)
#776B22
Tritanopia (blue-blind)
#C8002C
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #b52b28;
/* rgb */ color: rgb(181, 43, 40);
/* oklch */ color: oklch(51.0% 0.175 27.0);
Tailwind
colors: {
  custom: {
    50: '#d47063',
    500: '#b52b28',
    950: '#000000',
  },
}
SCSS
$custom: #b52b28;
$custom-light: #d47063;
$custom-dark: #000000;
JSON
{
  "hex": "#b52b28",
  "rgb": {
    "r": 181,
    "g": 43,
    "b": 40
  },
  "hsl": {
    "h": 1.277,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51015,
    "c": 0.1752,
    "h": 27
  },
  "luminance": 0.11705
}

Semantic roles & 50–950 ramp

primary
#B52B28
secondary
#70C7C8
accent
#E3E741
background
#FEF7F5
surface
#FCEDEA
border
#D5C8C6
text
#160805
muted
#847B79

Preview Lab

Preview with #B52B28

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

Preview Lab → · Contrast checker → · Palette generator →

#B52B28 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva