#B5423D#B5423D

#B5423D is a mid, vivid red. Relative luminance 0.141; OKLCH L 53.8% C 0.150 H 25.9°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX#B5423D
RGBrgb(181, 66, 61)
HSLhsl(3, 50%, 47%)
HSVhsv(3, 66%, 71%)
CMYKcmyk(0%, 63.5%, 66.3%, 29%)
CIE-LABlab(44.32, 46.29, 27.99)
CIE-LCHlch(44.32, 54.10, 31.15°)
OKLaboklab(53.77% 0.1353 0.0658)
OKLCHoklch(53.77% 0.15 25.9)
XYZxyz(21.8488, 14.0601, 5.9773)
Luminance0.1406 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B5423D #3DB0B5
analogous
#B53D74 #B5423D #B57E3D
triadic
#B5423D #3DB542 #423DB5
tetradic
#B5423D #74B53D #3DB0B5 #7E3DB5
square
#B5423D #74B53D #3DB0B5 #7E3DB5
split-complementary
#B5423D #3DB57E #3D74B5
monochromatic
#59211E #87312E #B5423D #CB6964 #DA9592

Accessibility & contrast

On white

5.51
#B5423D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.81
#B5423D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5423D
5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B5423D#FFFFFF#000000##FFFFFF
##B5423D1.005.513.815.51
#FFFFFF5.511.0021.001.00
#0000003.8121.001.0021.00
##FFFFFF5.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#60593C
Deuteranopia (green-blind)
#7D723A
Tritanopia (blue-blind)
#C62842
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #b5423d;
/* rgb */ color: rgb(181, 66, 61);
/* oklch */ color: oklch(53.8% 0.150 25.9);
Tailwind
colors: {
  custom: {
    50: '#d27c72',
    500: '#b5423d',
    950: '#000000',
  },
}
SCSS
$custom: #b5423d;
$custom-light: #d27c72;
$custom-dark: #000000;
JSON
{
  "hex": "#b5423d",
  "rgb": {
    "r": 181,
    "g": 66,
    "b": 61
  },
  "hsl": {
    "h": 2.5,
    "s": 49.587,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53775,
    "c": 0.15049,
    "h": 25.9
  },
  "luminance": 0.14057
}

Semantic roles & 50–950 ramp

primary
#B5423D
secondary
#88C3C5
accent
#D3D94F
background
#FDF7F6
surface
#FBEEEC
border
#D4C9C7
text
#150A08
muted
#837C7B

Preview Lab

Preview with #B5423D

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

Preview Lab → · Contrast checker → · Palette generator →

#B5423D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva