#B13136#B13136

#B13136 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.1% C 0.164 H 23.2°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#B13136
RGB	rgb(177, 49, 54)
HSL	hsl(358, 57%, 44%)
HSV	hsv(358, 72%, 69%)
CMYK	cmyk(0%, 72.3%, 69.5%, 30.6%)
CIE-LAB	lab(40.92, 51.55, 27.87)
CIE-LCH	lch(40.92, 58.60, 28.39°)
OKLab	oklab(51.06% 0.151 0.0647)
OKLCH	oklch(51.06% 0.164 23.2)
XYZ	xyz(19.8978, 11.8130, 4.7217)
Luminance	0.1181 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13136 #31B1AC

analogous

#B13176 #B13136 #B16C31

triadic

#B13136 #36B131 #3136B1

tetradic

#B13136 #76B131 #31B1AC #6C31B1

square

#B13136 #76B131 #31B1AC #6C31B1

split-complementary

#B13136 #31B16C #3176B1

monochromatic

#511619 #812427 #B13136 #CF5155 #DC8084

Accessibility & contrast

On white

6.25

#B13136 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#B13136 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13136

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13136	#FFFFFF	#000000	##FFFFFF
##B13136	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554F35

Deuteranopia (green-blind)

#756A32

Tritanopia (blue-blind)

#C30034

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b13136;
/* rgb */ color: rgb(177, 49, 54);
/* oklch */ color: oklch(51.1% 0.164 23.2);

Tailwind

colors: {
  custom: {
    50: '#d0726d',
    500: '#b13136',
    950: '#000000',
  },
}

SCSS

$custom: #b13136;
$custom-light: #d0726d;
$custom-dark: #000000;

JSON

{
  "hex": "#b13136",
  "rgb": {
    "r": 177,
    "g": 49,
    "b": 54
  },
  "hsl": {
    "h": 357.656,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51061,
    "c": 0.16429,
    "h": 23.2
  },
  "luminance": 0.1181
}

Semantic roles & 50–950 ramp

primary

#B13136

secondary

#79C5C2

accent

#E0DA48

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B13136

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

Preview Lab → · Contrast checker → · Palette generator →