#B63228#B63228

#B63228 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.170 H 28.7°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX#B63228
RGBrgb(182, 50, 40)
HSLhsl(4, 64%, 44%)
HSVhsv(4, 78%, 71%)
CMYKcmyk(0%, 72.5%, 78%, 28.6%)
CIE-LABlab(41.82, 52.18, 37.32)
CIE-LCHlch(41.82, 64.15, 35.58°)
OKLaboklab(51.85% 0.1494 0.0819)
OKLCHoklch(51.85% 0.17 28.7)
XYZxyz(20.8174, 12.3827, 3.3010)
Luminance0.1238 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B63228 #28ACB6
analogous
#B62865 #B63228 #B67928
triadic
#B63228 #28B632 #3228B6
tetradic
#B63228 #65B628 #28ACB6 #7928B6
square
#B63228 #65B628 #28ACB6 #7928B6
split-complementary
#B63228 #28B679 #2865B6
monochromatic
#521612 #84241D #B63228 #D64F45 #E17F77

Accessibility & contrast

On white

6.04
#B63228 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.48
#B63228 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B63228
6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B63228#FFFFFF#000000##FFFFFF
##B632281.006.043.486.04
#FFFFFF6.041.0021.001.00
#0000003.4821.001.0021.00
##FFFFFF6.041.0021.001.00

Color blindness preview

Protanopia (red-blind)
#595026
Deuteranopia (green-blind)
#7A6D23
Tritanopia (blue-blind)
#C90031
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #b63228;
/* rgb */ color: rgb(182, 50, 40);
/* oklch */ color: oklch(51.8% 0.170 28.7);
Tailwind
colors: {
  custom: {
    50: '#d57363',
    500: '#b63228',
    950: '#000000',
  },
}
SCSS
$custom: #b63228;
$custom-light: #d57363;
$custom-dark: #000000;
JSON
{
  "hex": "#b63228",
  "rgb": {
    "r": 182,
    "g": 50,
    "b": 40
  },
  "hsl": {
    "h": 4.225,
    "s": 63.964,
    "l": 43.529
  },
  "oklch": {
    "l": 0.51848,
    "c": 0.17038,
    "h": 28.7
  },
  "luminance": 0.12379
}

Semantic roles & 50–950 ramp

primary
#B63228
secondary
#71C3C9
accent
#DBE741
background
#FEF7F5
surface
#FCEDEA
border
#D5C8C6
text
#160905
muted
#847B79

Preview Lab

Preview with #B63228

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

Preview Lab → · Contrast checker → · Palette generator →

#B63228 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva