#B1233D#B1233D

#B1233D is a mid, vivid red. Relative luminance 0.109; OKLCH L 50.0% C 0.176 H 17.1°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX#B1233D
RGBrgb(177, 35, 61)
HSLhsl(349, 67%, 42%)
HSVhsv(349, 80%, 69%)
CMYKcmyk(0%, 80.2%, 65.5%, 30.6%)
CIE-LABlab(39.39, 56.52, 21.64)
CIE-LCHlch(39.39, 60.52, 20.95°)
OKLaboklab(49.97% 0.1684 0.0517)
OKLCHoklch(49.97% 0.176 17.1)
XYZxyz(19.5769, 10.8891, 5.4850)
Luminance0.1089 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1233D #23B197
analogous
#B12384 #B1233D #B15023
triadic
#B1233D #3DB123 #233DB1
tetradic
#B1233D #84B123 #23B197 #5023B1
square
#B1233D #84B123 #23B197 #5023B1
split-complementary
#B1233D #23B150 #2384B1
monochromatic
#4B0F1A #7E192B #B1233D #D83956 #E26C82

Accessibility & contrast

On white

6.61
#B1233D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.18
#B1233D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1233D
6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1233D#FFFFFF#000000##FFFFFF
##B1233D1.006.613.186.61
#FFFFFF6.611.0021.001.00
#0000003.1821.001.0021.00
##FFFFFF6.611.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4D4A3D
Deuteranopia (green-blind)
#716739
Tritanopia (blue-blind)
#C2002F
Achromatopsia (no color)
#5D5D5D

Design tokens & code

CSS
--color: #b1233d;
/* rgb */ color: rgb(177, 35, 61);
/* oklch */ color: oklch(50.0% 0.176 17.1);
Tailwind
colors: {
  custom: {
    50: '#d06d72',
    500: '#b1233d',
    950: '#000000',
  },
}
SCSS
$custom: #b1233d;
$custom-light: #d06d72;
$custom-dark: #000000;
JSON
{
  "hex": "#b1233d",
  "rgb": {
    "r": 177,
    "g": 35,
    "b": 61
  },
  "hsl": {
    "h": 349.014,
    "s": 66.981,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49966,
    "c": 0.17614,
    "h": 17.1
  },
  "luminance": 0.10886
}

Semantic roles & 50–950 ramp

primary
#B1233D
secondary
#68C8B7
accent
#EACA3E
background
#FDF7F6
surface
#FBEDEC
border
#D4C8C7
text
#150807
muted
#837B7A

Preview Lab

Preview with #B1233D

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

Preview Lab → · Contrast checker → · Palette generator →

#B1233D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva