#B13734#B13734

#B13734 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.159 H 25.8°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX#B13734
RGBrgb(177, 55, 52)
HSLhsl(1, 55%, 45%)
HSVhsv(1, 71%, 69%)
CMYKcmyk(0%, 68.9%, 70.6%, 30.6%)
CIE-LABlab(41.74, 49.12, 30.05)
CIE-LCHlch(41.74, 57.58, 31.45°)
OKLaboklab(51.66% 0.1429 0.0692)
OKLCHoklch(51.66% 0.159 25.8)
XYZxyz(20.1197, 12.3304, 4.5687)
Luminance0.1233 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#B13734 #34AEB1
analogous
#B13470 #B13734 #B17634
triadic
#B13734 #34B137 #3734B1
tetradic
#B13734 #70B134 #34AEB1 #7634B1
square
#B13734 #70B134 #34AEB1 #7634B1
split-complementary
#B13734 #34B176 #3470B1
monochromatic
#521A18 #822826 #B13734 #CD5855 #DB8684

Accessibility & contrast

On white

6.06
#B13734 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.47
#B13734 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13734
6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##B13734#FFFFFF#000000##FFFFFF
##B137341.006.063.476.06
#FFFFFF6.061.0021.001.00
#0000003.4721.001.0021.00
##FFFFFF6.061.0021.001.00

Color blindness preview

Protanopia (red-blind)
#595233
Deuteranopia (green-blind)
#786C30
Tritanopia (blue-blind)
#C31238
Achromatopsia (no color)
#626262

Design tokens & code

CSS
--color: #b13734;
/* rgb */ color: rgb(177, 55, 52);
/* oklch */ color: oklch(51.7% 0.159 25.8);
Tailwind
colors: {
  custom: {
    50: '#d0756b',
    500: '#b13734',
    950: '#000000',
  },
}
SCSS
$custom: #b13734;
$custom-light: #d0756b;
$custom-dark: #000000;
JSON
{
  "hex": "#b13734",
  "rgb": {
    "r": 177,
    "g": 55,
    "b": 52
  },
  "hsl": {
    "h": 1.44,
    "s": 54.585,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51663,
    "c": 0.15875,
    "h": 25.8
  },
  "luminance": 0.12327
}

Semantic roles & 50–950 ramp

primary
#B13734
secondary
#7CC3C5
accent
#DADE4A
background
#FDF7F6
surface
#FBEDEB
border
#D4C8C6
text
#150907
muted
#837B7A

Preview Lab

Preview with #B13734

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

Preview Lab → · Contrast checker → · Palette generator →

#B13734 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva