#B23F24#B23F24

#B23F24 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.155 H 34.5°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX#B23F24
RGBrgb(178, 63, 36)
HSLhsl(11, 66%, 42%)
HSVhsv(11, 80%, 70%)
CMYKcmyk(0%, 64.6%, 79.8%, 30.2%)
CIE-LABlab(42.99, 45.39, 40.44)
CIE-LCHlch(42.99, 60.79, 41.70°)
OKLaboklab(52.58% 0.1279 0.0878)
OKLCHoklch(52.58% 0.155 34.5)
XYZxyz(20.4583, 13.1503, 3.1297)
Luminance0.1315 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B23F24 #2497B2
analogous
#B22450 #B23F24 #B28624
triadic
#B23F24 #24B23F #3F24B2
tetradic
#B23F24 #50B224 #2497B2 #8624B2
square
#B23F24 #50B224 #2497B2 #8624B2
split-complementary
#B23F24 #24B286 #2450B2
monochromatic
#4C1B0F #7F2D1A #B23F24 #D8593C #E2856F

Accessibility & contrast

On white

5.79
#B23F24 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.63
#B23F24 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23F24
5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B23F24#FFFFFF#000000##FFFFFF
##B23F241.005.793.635.79
#FFFFFF5.791.0021.001.00
#0000003.6321.001.0021.00
##FFFFFF5.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#605520
Deuteranopia (green-blind)
#7C6F1F
Tritanopia (blue-blind)
#C41F3A
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #b23f24;
/* rgb */ color: rgb(178, 63, 36);
/* oklch */ color: oklch(52.6% 0.155 34.5);
Tailwind
colors: {
  custom: {
    50: '#d17961',
    500: '#b23f24',
    950: '#000000',
  },
}
SCSS
$custom: #b23f24;
$custom-light: #d17961;
$custom-dark: #000000;
JSON
{
  "hex": "#b23f24",
  "rgb": {
    "r": 178,
    "g": 63,
    "b": 36
  },
  "hsl": {
    "h": 11.408,
    "s": 66.355,
    "l": 41.961
  },
  "oklch": {
    "l": 0.52578,
    "c": 0.15514,
    "h": 34.5
  },
  "luminance": 0.13147
}

Semantic roles & 50–950 ramp

primary
#B23F24
secondary
#69B6C8
accent
#C9E93F
background
#FEF7F5
surface
#FCEEEA
border
#D5C9C6
text
#160905
muted
#847B79

Preview Lab

Preview with #B23F24

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

Preview Lab → · Contrast checker → · Palette generator →

#B23F24 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva