#B74A3A#B74A3A

#B74A3A is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.1% C 0.145 H 30.7°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX#B74A3A
RGBrgb(183, 74, 58)
HSLhsl(8, 52%, 47%)
HSVhsv(8, 68%, 72%)
CMYKcmyk(0%, 59.6%, 68.3%, 28.2%)
CIE-LABlab(46.01, 43.15, 31.86)
CIE-LCHlch(46.01, 53.63, 36.44°)
OKLaboklab(55.1% 0.1246 0.0739)
OKLCHoklch(55.1% 0.145 30.7)
XYZxyz(22.7432, 15.2733, 5.7526)
Luminance0.1527 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B74A3A #3AA7B7
analogous
#B73A69 #B74A3A #B7893A
triadic
#B74A3A #3AB74A #4A3AB7
tetradic
#B74A3A #69B73A #3AA7B7 #893AB7
square
#B74A3A #69B73A #3AA7B7 #893AB7
split-complementary
#B74A3A #3AB789 #3A69B7
monochromatic
#5A241D #89372B #B74A3A #CD6F61 #DC9990

Accessibility & contrast

On white

5.18
#B74A3A on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.05
#B74A3A on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B74A3A
5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B74A3A#FFFFFF#000000##FFFFFF
##B74A3A1.005.184.055.18
#FFFFFF5.181.0021.001.00
#0000004.0521.001.0021.00
##FFFFFF5.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#675E38
Deuteranopia (green-blind)
#827637
Tritanopia (blue-blind)
#C93347
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #b74a3a;
/* rgb */ color: rgb(183, 74, 58);
/* oklch */ color: oklch(55.1% 0.145 30.7);
Tailwind
colors: {
  custom: {
    50: '#d38170',
    500: '#b74a3a',
    950: '#000000',
  },
}
SCSS
$custom: #b74a3a;
$custom-light: #d38170;
$custom-dark: #000000;
JSON
{
  "hex": "#b74a3a",
  "rgb": {
    "r": 183,
    "g": 74,
    "b": 58
  },
  "hsl": {
    "h": 7.68,
    "s": 51.867,
    "l": 47.255
  },
  "oklch": {
    "l": 0.55097,
    "c": 0.1449,
    "h": 30.7
  },
  "luminance": 0.1527
}

Semantic roles & 50–950 ramp

primary
#B74A3A
secondary
#86BEC7
accent
#C9DB4C
background
#FDF8F6
surface
#FBEFEC
border
#D4CAC7
text
#150A07
muted
#837C7A

Preview Lab

Preview with #B74A3A

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

Preview Lab → · Contrast checker → · Palette generator →

#B74A3A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva