#B5433F#B5433F

#B5433F is a mid, vivid red. Relative luminance 0.142; OKLCH L 53.9% C 0.149 H 25.4°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX#B5433F
RGBrgb(181, 67, 63)
HSLhsl(2, 48%, 48%)
HSVhsv(2, 65%, 71%)
CMYKcmyk(0%, 63%, 65.2%, 29%)
CIE-LABlab(44.52, 45.97, 27.04)
CIE-LCHlch(44.52, 53.33, 30.47°)
OKLaboklab(53.94% 0.1347 0.064)
OKLCHoklch(53.94% 0.149 25.4)
XYZxyz(21.9626, 14.1999, 6.2860)
Luminance0.1420 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B5433F #3FB1B5
analogous
#B53F76 #B5433F #B57E3F
triadic
#B5433F #3FB543 #433FB5
tetradic
#B5433F #76B53F #3FB1B5 #7E3FB5
square
#B5433F #76B53F #3FB1B5 #7E3FB5
split-complementary
#B5433F #3FB57E #3F76B5
monochromatic
#5A211F #88322F #B5433F #CA6A67 #DA9794

Accessibility & contrast

On white

5.47
#B5433F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.84
#B5433F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5433F
5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B5433F#FFFFFF#000000##FFFFFF
##B5433F1.005.473.845.47
#FFFFFF5.471.0021.001.00
#0000003.8421.001.0021.00
##FFFFFF5.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#615A3E
Deuteranopia (green-blind)
#7D723C
Tritanopia (blue-blind)
#C62A43
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #b5433f;
/* rgb */ color: rgb(181, 67, 63);
/* oklch */ color: oklch(53.9% 0.149 25.4);
Tailwind
colors: {
  custom: {
    50: '#d27c74',
    500: '#b5433f',
    950: '#000000',
  },
}
SCSS
$custom: #b5433f;
$custom-light: #d27c74;
$custom-dark: #000000;
JSON
{
  "hex": "#b5433f",
  "rgb": {
    "r": 181,
    "g": 67,
    "b": 63
  },
  "hsl": {
    "h": 2.034,
    "s": 48.361,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53935,
    "c": 0.1491,
    "h": 25.4
  },
  "luminance": 0.14197
}

Semantic roles & 50–950 ramp

primary
#B5433F
secondary
#8AC3C5
accent
#D3D850
background
#FDF7F7
surface
#FBEEED
border
#D4C9C8
text
#150A08
muted
#837C7B

Preview Lab

Preview with #B5433F

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

Preview Lab → · Contrast checker → · Palette generator →

#B5433F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva