#B23F29#B23F29

#B23F29 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.6% C 0.154 H 32.9°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX#B23F29
RGBrgb(178, 63, 41)
HSLhsl(10, 63%, 43%)
HSVhsv(10, 77%, 70%)
CMYKcmyk(0%, 64.6%, 77%, 30.2%)
CIE-LABlab(43.04, 45.58, 37.83)
CIE-LCHlch(43.04, 59.23, 39.70°)
OKLaboklab(52.63% 0.1294 0.0836)
OKLCHoklch(52.63% 0.154 32.9)
XYZxyz(20.5401, 13.1830, 3.5604)
Luminance0.1318 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B23F29 #299CB2
analogous
#B22957 #B23F29 #B28329
triadic
#B23F29 #29B23F #3F29B2
tetradic
#B23F29 #57B229 #299CB2 #8329B2
square
#B23F29 #57B229 #299CB2 #8329B2
split-complementary
#B23F29 #29B283 #2957B2
monochromatic
#4F1C12 #802D1E #B23F29 #D45B44 #DF8776

Accessibility & contrast

On white

5.78
#B23F29 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.64
#B23F29 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23F29
5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B23F29#FFFFFF#000000##FFFFFF
##B23F291.005.783.645.78
#FFFFFF5.781.0021.001.00
#0000003.6421.001.0021.00
##FFFFFF5.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5F5626
Deuteranopia (green-blind)
#7C6F25
Tritanopia (blue-blind)
#C4203B
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #b23f29;
/* rgb */ color: rgb(178, 63, 41);
/* oklch */ color: oklch(52.6% 0.154 32.9);
Tailwind
colors: {
  custom: {
    50: '#d17964',
    500: '#b23f29',
    950: '#000000',
  },
}
SCSS
$custom: #b23f29;
$custom-light: #d17964;
$custom-dark: #000000;
JSON
{
  "hex": "#b23f29",
  "rgb": {
    "r": 178,
    "g": 63,
    "b": 41
  },
  "hsl": {
    "h": 9.635,
    "s": 62.557,
    "l": 42.941
  },
  "oklch": {
    "l": 0.5263,
    "c": 0.15408,
    "h": 32.9
  },
  "luminance": 0.1318
}

Semantic roles & 50–950 ramp

primary
#B23F29
secondary
#70B9C7
accent
#CBE642
background
#FDF7F6
surface
#FBEEEB
border
#D4C9C6
text
#150905
muted
#837B7A

Preview Lab

Preview with #B23F29

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

Preview Lab → · Contrast checker → · Palette generator →

#B23F29 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva