#B74239#B74239

#B74239 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.0% C 0.153 H 27.7°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX#B74239
RGBrgb(183, 66, 57)
HSLhsl(4, 53%, 47%)
HSVhsv(4, 69%, 72%)
CMYKcmyk(0%, 63.9%, 68.9%, 28.2%)
CIE-LABlab(44.61, 46.77, 30.77)
CIE-LCHlch(44.61, 55.98, 33.34°)
OKLaboklab(54.04% 0.1358 0.0713)
OKLCHoklch(54.04% 0.153 27.7)
XYZxyz(22.2175, 14.2622, 5.4531)
Luminance0.1426 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B74239 #39AEB7
analogous
#B7396F #B74239 #B78139
triadic
#B74239 #39B742 #4239B7
tetradic
#B74239 #6FB739 #39AEB7 #8139B7
square
#B74239 #6FB739 #39AEB7 #8139B7
split-complementary
#B74239 #39B781 #396FB7
monochromatic
#5A201C #88312A #B74239 #CD6860 #DC948E

Accessibility & contrast

On white

5.45
#B74239 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.85
#B74239 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B74239
5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B74239#FFFFFF#000000##FFFFFF
##B742391.005.453.855.45
#FFFFFF5.451.0021.001.00
#0000003.8521.001.0021.00
##FFFFFF5.451.0021.001.00

Color blindness preview

Protanopia (red-blind)
#625A37
Deuteranopia (green-blind)
#7F7336
Tritanopia (blue-blind)
#C92641
Achromatopsia (no color)
#696969

Design tokens & code

CSS
--color: #b74239;
/* rgb */ color: rgb(183, 66, 57);
/* oklch */ color: oklch(54.0% 0.153 27.7);
Tailwind
colors: {
  custom: {
    50: '#d47c70',
    500: '#b74239',
    950: '#000000',
  },
}
SCSS
$custom: #b74239;
$custom-light: #d47c70;
$custom-dark: #000000;
JSON
{
  "hex": "#b74239",
  "rgb": {
    "r": 183,
    "g": 66,
    "b": 57
  },
  "hsl": {
    "h": 4.286,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.54038,
    "c": 0.15338,
    "h": 27.7
  },
  "luminance": 0.14259
}

Semantic roles & 50–950 ramp

primary
#B74239
secondary
#85C2C7
accent
#D2DC4C
background
#FEF7F6
surface
#FCEEEC
border
#D5C9C7
text
#160A07
muted
#847C7A

Preview Lab

Preview with #B74239

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

Preview Lab → · Contrast checker → · Palette generator →

#B74239 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva