#B54038#B54038

#B54038 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.4% C 0.153 H 27.4°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX#B54038
RGBrgb(181, 64, 56)
HSLhsl(4, 53%, 46%)
HSVhsv(4, 69%, 71%)
CMYKcmyk(0%, 64.6%, 69.1%, 29%)
CIE-LABlab(43.91, 46.90, 30.45)
CIE-LCHlch(43.91, 55.91, 32.99°)
OKLaboklab(53.45% 0.1362 0.0706)
OKLCHoklch(53.45% 0.153 27.4)
XYZxyz(21.6055, 13.7791, 5.2626)
Luminance0.1378 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B54038 #38ADB5
analogous
#B5386F #B54038 #B57F38
triadic
#B54038 #38B540 #4038B5
tetradic
#B54038 #6FB538 #38ADB5 #7F38B5
square
#B54038 #6FB538 #38ADB5 #7F38B5
split-complementary
#B54038 #38B57F #386FB5
monochromatic
#581F1B #862F2A #B54038 #CD645D #DB918C

Accessibility & contrast

On white

5.59
#B54038 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.76
#B54038 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B54038
5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B54038#FFFFFF#000000##FFFFFF
##B540381.005.593.765.59
#FFFFFF5.591.0021.001.00
#0000003.7621.001.0021.00
##FFFFFF5.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#605836
Deuteranopia (green-blind)
#7D7135
Tritanopia (blue-blind)
#C7243F
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #b54038;
/* rgb */ color: rgb(181, 64, 56);
/* oklch */ color: oklch(53.4% 0.153 27.4);
Tailwind
colors: {
  custom: {
    50: '#d27b6f',
    500: '#b54038',
    950: '#000000',
  },
}
SCSS
$custom: #b54038;
$custom-light: #d27b6f;
$custom-dark: #000000;
JSON
{
  "hex": "#b54038",
  "rgb": {
    "r": 181,
    "g": 64,
    "b": 56
  },
  "hsl": {
    "h": 3.84,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.53448,
    "c": 0.15341,
    "h": 27.4
  },
  "luminance": 0.13776
}

Semantic roles & 50–950 ramp

primary
#B54038
secondary
#83C2C6
accent
#D3DC4C
background
#FDF7F6
surface
#FBEEEC
border
#D4C9C7
text
#150A07
muted
#837C7A

Preview Lab

Preview with #B54038

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

Preview Lab → · Contrast checker → · Palette generator →

#B54038 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva