#B13E31#B13E31

#B13E31 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.4% C 0.152 H 29.6°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX#B13E31
RGBrgb(177, 62, 49)
HSLhsl(6, 57%, 44%)
HSVhsv(6, 72%, 69%)
CMYKcmyk(0%, 65%, 72.3%, 30.6%)
CIE-LABlab(42.79, 46.02, 33.03)
CIE-LCHlch(42.79, 56.64, 35.67°)
OKLaboklab(52.44% 0.1325 0.0751)
OKLCHoklch(52.44% 0.152 29.6)
XYZxyz(20.4106, 13.0170, 4.3429)
Luminance0.1301 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B13E31 #31A4B1
analogous
#B13164 #B13E31 #B17E31
triadic
#B13E31 #31B13E #3E31B1
tetradic
#B13E31 #64B131 #31A4B1 #7E31B1
square
#B13E31 #64B131 #31A4B1 #7E31B1
split-complementary
#B13E31 #31B17E #3164B1
monochromatic
#511C16 #812D24 #B13E31 #CF5D51 #DC8A80

Accessibility & contrast

On white

5.83
#B13E31 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.60
#B13E31 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13E31
5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B13E31#FFFFFF#000000##FFFFFF
##B13E311.005.833.605.83
#FFFFFF5.831.0021.001.00
#0000003.6021.001.0021.00
##FFFFFF5.831.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E552F
Deuteranopia (green-blind)
#7A6E2D
Tritanopia (blue-blind)
#C3213C
Achromatopsia (no color)
#656565

Design tokens & code

CSS
--color: #b13e31;
/* rgb */ color: rgb(177, 62, 49);
/* oklch */ color: oklch(52.4% 0.152 29.6);
Tailwind
colors: {
  custom: {
    50: '#d0796a',
    500: '#b13e31',
    950: '#000000',
  },
}
SCSS
$custom: #b13e31;
$custom-light: #d0796a;
$custom-dark: #000000;
JSON
{
  "hex": "#b13e31",
  "rgb": {
    "r": 177,
    "g": 62,
    "b": 49
  },
  "hsl": {
    "h": 6.094,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.52439,
    "c": 0.15231,
    "h": 29.6
  },
  "luminance": 0.13014
}

Semantic roles & 50–950 ramp

primary
#B13E31
secondary
#79BDC5
accent
#D0E048
background
#FDF7F6
surface
#FBEEEB
border
#D4C9C6
text
#150906
muted
#837B7A

Preview Lab

Preview with #B13E31

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

Preview Lab → · Contrast checker → · Palette generator →

#B13E31 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva