#B23734#B23734

#B23734 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.160 H 25.9°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX#B23734
RGBrgb(178, 55, 52)
HSLhsl(1, 55%, 45%)
HSVhsv(1, 71%, 70%)
CMYKcmyk(0%, 69.1%, 70.8%, 30.2%)
CIE-LABlab(41.92, 49.46, 30.31)
CIE-LCHlch(41.92, 58.01, 31.50°)
OKLaboklab(51.83% 0.1438 0.0697)
OKLCHoklch(51.83% 0.16 25.9)
XYZxyz(20.3483, 12.4483, 4.5794)
Luminance0.1245 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B23734 #34AFB2
analogous
#B23470 #B23734 #B27634
triadic
#B23734 #34B237 #3734B2
tetradic
#B23734 #70B234 #34AFB2 #7634B2
square
#B23734 #70B234 #34AFB2 #7634B2
split-complementary
#B23734 #34B276 #3470B2
monochromatic
#531A18 #832826 #B23734 #CE5956 #DB8785

Accessibility & contrast

On white

6.02
#B23734 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.49
#B23734 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23734
6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B23734#FFFFFF#000000##FFFFFF
##B237341.006.023.496.02
#FFFFFF6.021.0021.001.00
#0000003.4921.001.0021.00
##FFFFFF6.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#595233
Deuteranopia (green-blind)
#786D30
Tritanopia (blue-blind)
#C41138
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #b23734;
/* rgb */ color: rgb(178, 55, 52);
/* oklch */ color: oklch(51.8% 0.160 25.9);
Tailwind
colors: {
  custom: {
    50: '#d1756b',
    500: '#b23734',
    950: '#000000',
  },
}
SCSS
$custom: #b23734;
$custom-light: #d1756b;
$custom-dark: #000000;
JSON
{
  "hex": "#b23734",
  "rgb": {
    "r": 178,
    "g": 55,
    "b": 52
  },
  "hsl": {
    "h": 1.429,
    "s": 54.783,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51834,
    "c": 0.15982,
    "h": 25.9
  },
  "luminance": 0.12445
}

Semantic roles & 50–950 ramp

primary
#B23734
secondary
#7DC3C5
accent
#DBDE4A
background
#FDF7F6
surface
#FBEDEB
border
#D4C8C6
text
#150907
muted
#837B7A

Preview Lab

Preview with #B23734

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

Preview Lab → · Contrast checker → · Palette generator →

#B23734 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva