#B1283E#B1283E

#B1283E is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.4% C 0.172 H 17.6°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX#B1283E
RGBrgb(177, 40, 62)
HSLhsl(350, 63%, 43%)
HSVhsv(350, 77%, 69%)
CMYKcmyk(0%, 77.4%, 65%, 30.6%)
CIE-LABlab(39.94, 55.08, 21.72)
CIE-LCHlch(39.94, 59.21, 21.52°)
OKLaboklab(50.38% 0.164 0.052)
OKLCHoklch(50.38% 0.172 17.6)
XYZxyz(19.7619, 11.2155, 5.6807)
Luminance0.1121 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1283E #28B19B
analogous
#B12882 #B1283E #B15628
triadic
#B1283E #3EB128 #283EB1
tetradic
#B1283E #82B128 #28B19B #5628B1
square
#B1283E #82B128 #28B19B #5628B1
split-complementary
#B1283E #28B156 #2882B1
monochromatic
#4D111B #7F1D2D #B1283E #D44259 #E07485

Accessibility & contrast

On white

6.48
#B1283E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.24
#B1283E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1283E
6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1283E#FFFFFF#000000##FFFFFF
##B1283E1.006.483.246.48
#FFFFFF6.481.0021.001.00
#0000003.2421.001.0021.00
##FFFFFF6.481.0021.001.00

Color blindness preview

Protanopia (red-blind)
#504C3E
Deuteranopia (green-blind)
#72683A
Tritanopia (blue-blind)
#C20032
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #b1283e;
/* rgb */ color: rgb(177, 40, 62);
/* oklch */ color: oklch(50.4% 0.172 17.6);
Tailwind
colors: {
  custom: {
    50: '#d06f73',
    500: '#b1283e',
    950: '#000000',
  },
}
SCSS
$custom: #b1283e;
$custom-light: #d06f73;
$custom-dark: #000000;
JSON
{
  "hex": "#b1283e",
  "rgb": {
    "r": 177,
    "g": 40,
    "b": 62
  },
  "hsl": {
    "h": 350.365,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.50378,
    "c": 0.17202,
    "h": 17.6
  },
  "luminance": 0.11212
}

Semantic roles & 50–950 ramp

primary
#B1283E
secondary
#6EC7B9
accent
#E6CC42
background
#FDF7F6
surface
#FBEDEC
border
#D4C8C7
text
#150808
muted
#837B7B

Preview Lab

Preview with #B1283E

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

Preview Lab → · Contrast checker → · Palette generator →

#B1283E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva