#B1383D#B1383D

#B1383D is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.157 H 22.2°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX#B1383D
RGBrgb(177, 56, 61)
HSLhsl(358, 52%, 46%)
HSVhsv(358, 68%, 69%)
CMYKcmyk(0%, 68.4%, 65.5%, 30.6%)
CIE-LABlab(42.02, 49.21, 24.98)
CIE-LCHlch(42.02, 55.19, 26.91°)
OKLaboklab(51.92% 0.145 0.0592)
OKLCHoklch(51.92% 0.157 22.2)
XYZxyz(20.3900, 12.5153, 5.7560)
Luminance0.1251 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B1383D #38B1AC
analogous
#B13879 #B1383D #B17038
triadic
#B1383D #3DB138 #383DB1
tetradic
#B1383D #79B138 #38B1AC #7038B1
square
#B1383D #79B138 #38B1AC #7038B1
split-complementary
#B1383D #38B170 #3879B1
monochromatic
#541B1D #83292D #B1383D #CB5B60 #DA8A8D

Accessibility & contrast

On white

6.00
#B1383D on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.50
#B1383D on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1383D
6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B1383D#FFFFFF#000000##FFFFFF
##B1383D1.006.003.506.00
#FFFFFF6.001.0021.001.00
#0000003.5021.001.0021.00
##FFFFFF6.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#59533C
Deuteranopia (green-blind)
#776D3A
Tritanopia (blue-blind)
#C2183B
Achromatopsia (no color)
#636363

Design tokens & code

CSS
--color: #b1383d;
/* rgb */ color: rgb(177, 56, 61);
/* oklch */ color: oklch(51.9% 0.157 22.2);
Tailwind
colors: {
  custom: {
    50: '#cf7672',
    500: '#b1383d',
    950: '#000000',
  },
}
SCSS
$custom: #b1383d;
$custom-light: #cf7672;
$custom-dark: #000000;
JSON
{
  "hex": "#b1383d",
  "rgb": {
    "r": 177,
    "g": 56,
    "b": 61
  },
  "hsl": {
    "h": 357.521,
    "s": 51.931,
    "l": 45.686
  },
  "oklch": {
    "l": 0.51922,
    "c": 0.15667,
    "h": 22.2
  },
  "luminance": 0.12512
}

Semantic roles & 50–950 ramp

primary
#B1383D
secondary
#81C4C1
accent
#DBD54C
background
#FDF7F6
surface
#FBEDEC
border
#D4C8C7
text
#150908
muted
#837B7B

Preview Lab

Preview with #B1383D

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

Preview Lab → · Contrast checker → · Palette generator →

#B1383D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva