#B4354B#B4354B

#B4354B is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.4% C 0.163 H 14.9°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX#B4354B
RGBrgb(180, 53, 75)
HSLhsl(350, 55%, 46%)
HSVhsv(350, 71%, 71%)
CMYKcmyk(0%, 70.6%, 58.3%, 29.4%)
CIE-LABlab(42.40, 52.30, 16.95)
CIE-LCHlch(42.40, 54.98, 17.95°)
OKLaboklab(52.39% 0.1571 0.0419)
OKLCHoklch(52.39% 0.163 14.9)
XYZxyz(21.3675, 12.7605, 7.9931)
Luminance0.1276 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B4354B #35B49E
analogous
#B4358A #B4354B #B45E35
triadic
#B4354B #4BB435 #354BB4
tetradic
#B4354B #8AB435 #35B49E #5E35B4
square
#B4354B #8AB435 #35B49E #5E35B4
split-complementary
#B4354B #35B45E #358AB4
monochromatic
#551924 #852737 #B4354B #CE586D #DC8896

Accessibility & contrast

On white

5.91
#B4354B on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.55
#B4354B on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4354B
5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B4354B#FFFFFF#000000##FFFFFF
##B4354B1.005.913.555.91
#FFFFFF5.911.0021.001.00
#0000003.5521.001.0021.00
##FFFFFF5.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#56534B
Deuteranopia (green-blind)
#766E48
Tritanopia (blue-blind)
#C5153E
Achromatopsia (no color)
#646464

Design tokens & code

CSS
--color: #b4354b;
/* rgb */ color: rgb(180, 53, 75);
/* oklch */ color: oklch(52.4% 0.163 14.9);
Tailwind
colors: {
  custom: {
    50: '#d1757d',
    500: '#b4354b',
    950: '#000000',
  },
}
SCSS
$custom: #b4354b;
$custom-light: #d1757d;
$custom-dark: #000000;
JSON
{
  "hex": "#b4354b",
  "rgb": {
    "r": 180,
    "g": 53,
    "b": 75
  },
  "hsl": {
    "h": 349.606,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52389,
    "c": 0.1626,
    "h": 14.9
  },
  "luminance": 0.12758
}

Semantic roles & 50–950 ramp

primary
#B4354B
secondary
#7FC6B9
accent
#DEC44A
background
#FDF7F7
surface
#FBEDEE
border
#D4C8C9
text
#150909
muted
#837B7B

Preview Lab

Preview with #B4354B

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

Preview Lab → · Contrast checker → · Palette generator →

#B4354B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva