#B13128#B13128

#B13128 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.9% C 0.166 H 28.5°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX#B13128
RGBrgb(177, 49, 40)
HSLhsl(4, 63%, 43%)
HSVhsv(4, 77%, 69%)
CMYKcmyk(0%, 72.3%, 77.4%, 30.6%)
CIE-LABlab(40.74, 50.93, 35.89)
CIE-LCHlch(40.74, 62.30, 35.17°)
OKLaboklab(50.87% 0.146 0.0792)
OKLCHoklch(50.87% 0.166 28.5)
XYZxyz(19.6151, 11.6999, 3.2326)
Luminance0.1170 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B13128 #28A8B1
analogous
#B12863 #B13128 #B17628
triadic
#B13128 #28B131 #3128B1
tetradic
#B13128 #63B128 #28A8B1 #7628B1
square
#B13128 #63B128 #28A8B1 #7628B1
split-complementary
#B13128 #28B176 #2863B1
monochromatic
#4D1511 #7F231D #B13128 #D44C42 #E07B74

Accessibility & contrast

On white

6.29
#B13128 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.34
#B13128 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13128
6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B13128#FFFFFF#000000##FFFFFF
##B131281.006.293.346.29
#FFFFFF6.291.0021.001.00
#0000003.3421.001.0021.00
##FFFFFF6.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574E26
Deuteranopia (green-blind)
#776A23
Tritanopia (blue-blind)
#C30030
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #b13128;
/* rgb */ color: rgb(177, 49, 40);
/* oklch */ color: oklch(50.9% 0.166 28.5);
Tailwind
colors: {
  custom: {
    50: '#d17263',
    500: '#b13128',
    950: '#000000',
  },
}
SCSS
$custom: #b13128;
$custom-light: #d17263;
$custom-dark: #000000;
JSON
{
  "hex": "#b13128",
  "rgb": {
    "r": 177,
    "g": 49,
    "b": 40
  },
  "hsl": {
    "h": 3.942,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.50866,
    "c": 0.16612,
    "h": 28.5
  },
  "luminance": 0.11697
}

Semantic roles & 50–950 ramp

primary
#B13128
secondary
#6EC1C7
accent
#DBE642
background
#FEF7F5
surface
#FCEDEA
border
#D5C8C6
text
#160805
muted
#847B79

Preview Lab

Preview with #B13128

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

Preview Lab → · Contrast checker → · Palette generator →

#B13128 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva