#B23A47#B23A47

#B23A47 is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.155 H 18.1°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX#B23A47
RGBrgb(178, 58, 71)
HSLhsl(354, 51%, 46%)
HSVhsv(354, 67%, 70%)
CMYKcmyk(0%, 67.4%, 60.1%, 30.2%)
CIE-LABlab(42.69, 49.37, 19.74)
CIE-LCHlch(42.69, 53.17, 21.79°)
OKLaboklab(52.51% 0.1473 0.0482)
OKLCHoklch(52.51% 0.155 18.1)
XYZxyz(21.0125, 12.9489, 7.3529)
Luminance0.1295 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B23A47 #3AB2A5
analogous
#B23A83 #B23A47 #B2693A
triadic
#B23A47 #47B23A #3A47B2
tetradic
#B23A47 #83B23A #3AB2A5 #693AB2
square
#B23A47 #83B23A #3AB2A5 #693AB2
split-complementary
#B23A47 #3AB269 #3A83B2
monochromatic
#561C22 #842B35 #B23A47 #CB5F6A #DA8D95

Accessibility & contrast

On white

5.85
#B23A47 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.59
#B23A47 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23A47
5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B23A47#FFFFFF#000000##FFFFFF
##B23A471.005.853.595.85
#FFFFFF5.851.0021.001.00
#0000003.5921.001.0021.00
##FFFFFF5.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#595547
Deuteranopia (green-blind)
#776E44
Tritanopia (blue-blind)
#C31F40
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #b23a47;
/* rgb */ color: rgb(178, 58, 71);
/* oklch */ color: oklch(52.5% 0.155 18.1);
Tailwind
colors: {
  custom: {
    50: '#cf777a',
    500: '#b23a47',
    950: '#000000',
  },
}
SCSS
$custom: #b23a47;
$custom-light: #cf777a;
$custom-dark: #000000;
JSON
{
  "hex": "#b23a47",
  "rgb": {
    "r": 178,
    "g": 58,
    "b": 71
  },
  "hsl": {
    "h": 353.5,
    "s": 50.847,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52509,
    "c": 0.15501,
    "h": 18.1
  },
  "luminance": 0.12946
}

Semantic roles & 50–950 ramp

primary
#B23A47
secondary
#83C4BD
accent
#DACB4D
background
#FDF7F7
surface
#FBEEED
border
#D4C9C8
text
#150909
muted
#837B7B

Preview Lab

Preview with #B23A47

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

Preview Lab → · Contrast checker → · Palette generator →

#B23A47 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva