#B5404D#B5404D

#B5404D is a mid, vivid red. Relative luminance 0.140; OKLCH L 53.8% C 0.151 H 17.3°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX#B5404D
RGBrgb(181, 64, 77)
HSLhsl(353, 48%, 48%)
HSVhsv(353, 65%, 71%)
CMYKcmyk(0%, 64.6%, 57.5%, 29%)
CIE-LABlab(44.27, 48.26, 18.25)
CIE-LCHlch(44.27, 51.60, 20.72°)
OKLaboklab(53.83% 0.1445 0.0451)
OKLCHoklch(53.83% 0.151 17.3)
XYZxyz(22.2310, 14.0293, 8.5570)
Luminance0.1403 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B5404D #40B5A8
analogous
#B54088 #B5404D #B56D40
triadic
#B5404D #4DB540 #404DB5
tetradic
#B5404D #88B540 #40B5A8 #6D40B5
square
#B5404D #88B540 #40B5A8 #6D40B5
split-complementary
#B5404D #40B56D #4088B5
monochromatic
#5B2027 #88303A #B5404D #CA6873 #DA969D

Accessibility & contrast

On white

5.52
#B5404D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.81
#B5404D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5404D
5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B5404D#FFFFFF#000000##FFFFFF
##B5404D1.005.523.815.52
#FFFFFF5.521.0021.001.00
#0000003.8121.001.0021.00
##FFFFFF5.521.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D594D
Deuteranopia (green-blind)
#7B724A
Tritanopia (blue-blind)
#C62945
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #b5404d;
/* rgb */ color: rgb(181, 64, 77);
/* oklch */ color: oklch(53.8% 0.151 17.3);
Tailwind
colors: {
  custom: {
    50: '#d17b7e',
    500: '#b5404d',
    950: '#000000',
  },
}
SCSS
$custom: #b5404d;
$custom-light: #d17b7e;
$custom-dark: #000000;
JSON
{
  "hex": "#b5404d",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 77
  },
  "hsl": {
    "h": 353.333,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.53834,
    "c": 0.15131,
    "h": 17.3
  },
  "luminance": 0.14026
}

Semantic roles & 50–950 ramp

primary
#B5404D
secondary
#8BC5BF
accent
#D7C850
background
#FDF7F7
surface
#FBEEEE
border
#D4C9C9
text
#150A0A
muted
#837C7C

Preview Lab

Preview with #B5404D

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

Preview Lab → · Contrast checker → · Palette generator →

#B5404D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva