#B1283D#B1283D

#B1283D is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.4% C 0.172 H 18.0°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX#B1283D
RGBrgb(177, 40, 61)
HSLhsl(351, 63%, 43%)
HSVhsv(351, 77%, 69%)
CMYKcmyk(0%, 77.4%, 65.5%, 30.6%)
CIE-LABlab(39.92, 55.03, 22.32)
CIE-LCHlch(39.92, 59.38, 22.08°)
OKLaboklab(50.36% 0.1636 0.0532)
OKLCHoklch(50.36% 0.172 18)
XYZxyz(19.7347, 11.2046, 5.5375)
Luminance0.1120 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1283D #28B19C
analogous
#B12881 #B1283D #B15828
triadic
#B1283D #3DB128 #283DB1
tetradic
#B1283D #81B128 #28B19C #5828B1
square
#B1283D #81B128 #28B19C #5828B1
split-complementary
#B1283D #28B158 #2881B1
monochromatic
#4D111B #7F1D2C #B1283D #D44258 #E07484

Accessibility & contrast

On white

6.48
#B1283D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.24
#B1283D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1283D
6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1283D#FFFFFF#000000##FFFFFF
##B1283D1.006.483.246.48
#FFFFFF6.481.0021.001.00
#0000003.2421.001.0021.00
##FFFFFF6.481.0021.001.00

Color blindness preview

Protanopia (red-blind)
#504C3D
Deuteranopia (green-blind)
#726839
Tritanopia (blue-blind)
#C20031
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #b1283d;
/* rgb */ color: rgb(177, 40, 61);
/* oklch */ color: oklch(50.4% 0.172 18.0);
Tailwind
colors: {
  custom: {
    50: '#d06f72',
    500: '#b1283d',
    950: '#000000',
  },
}
SCSS
$custom: #b1283d;
$custom-light: #d06f72;
$custom-dark: #000000;
JSON
{
  "hex": "#b1283d",
  "rgb": {
    "r": 177,
    "g": 40,
    "b": 61
  },
  "hsl": {
    "h": 350.803,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.50358,
    "c": 0.17203,
    "h": 18
  },
  "luminance": 0.11202
}

Semantic roles & 50–950 ramp

primary
#B1283D
secondary
#6EC7B9
accent
#E6CD42
background
#FDF7F6
surface
#FBEDEC
border
#D4C8C7
text
#150807
muted
#837B7A

Preview Lab

Preview with #B1283D

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

Preview Lab → · Contrast checker → · Palette generator →

#B1283D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva