#B41313#B41313

#B41313 is a mid, vivid red. Relative luminance 0.102; OKLCH L 49.1% C 0.191 H 28.2°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX#B41313
RGBrgb(180, 19, 19)
HSLhsl(0, 81%, 39%)
HSVhsv(0, 89%, 71%)
CMYKcmyk(0%, 89.4%, 89.4%, 29.4%)
CIE-LABlab(38.23, 59.49, 44.73)
CIE-LCHlch(38.23, 74.43, 36.94°)
OKLaboklab(49.06% 0.1686 0.0902)
OKLCHoklch(49.06% 0.191 28.2)
XYZxyz(19.1753, 10.2193, 1.5789)
Luminance0.1022 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B41313 #13B4B4
analogous
#B41364 #B41313 #B46413
triadic
#B41313 #13B413 #1313B4
tetradic
#B41313 #64B413 #13B4B4 #6413B4
square
#B41313 #64B413 #13B4B4 #6413B4
split-complementary
#B41313 #13B464 #1364B4
monochromatic
#450707 #7D0D0D #B41313 #E71D1D #ED5454

Accessibility & contrast

On white

6.90
#B41313 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.04
#B41313 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41313
6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B41313#FFFFFF#000000##FFFFFF
##B413131.006.903.046.90
#FFFFFF6.901.0021.001.00
#0000003.0421.001.0021.00
##FFFFFF6.901.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4D440F
Deuteranopia (green-blind)
#736604
Tritanopia (blue-blind)
#C70017
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #b41313;
/* rgb */ color: rgb(180, 19, 19);
/* oklch */ color: oklch(49.1% 0.191 28.2);
Tailwind
colors: {
  custom: {
    50: '#d66854',
    500: '#b41313',
    950: '#000000',
  },
}
SCSS
$custom: #b41313;
$custom-light: #d66854;
$custom-dark: #000000;
JSON
{
  "hex": "#b41313",
  "rgb": {
    "r": 180,
    "g": 19,
    "b": 19
  },
  "hsl": {
    "h": 0,
    "s": 80.905,
    "l": 39.02
  },
  "oklch": {
    "l": 0.49056,
    "c": 0.19126,
    "h": 28.2
  },
  "luminance": 0.10216
}

Semantic roles & 50–950 ramp

primary
#B41313
secondary
#53CFCF
accent
#F7F730
background
#FEF6F4
surface
#FDECE8
border
#D5C7C4
text
#170703
muted
#857A78

Preview Lab

Preview with #B41313

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

Preview Lab → · Contrast checker → · Palette generator →

#B41313 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva