#B13736#B13736

#B13736 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.7% C 0.158 H 25.0°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#B13736
RGB	rgb(177, 55, 54)
HSL	hsl(0, 53%, 45%)
HSV	hsv(0, 69%, 69%)
CMYK	cmyk(0%, 68.9%, 69.5%, 30.6%)
CIE-LAB	lab(41.77, 49.23, 28.89)
CIE-LCH	lch(41.77, 57.08, 30.41°)
OKLab	oklab(51.69% 0.1436 0.067)
OKLCH	oklch(51.69% 0.158 25)
XYZ	xyz(20.1657, 12.3488, 4.8110)
Luminance	0.1235 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13736 #36B0B1

analogous

#B13672 #B13736 #B17536

triadic

#B13736 #36B137 #3736B1

tetradic

#B13736 #72B136 #36B0B1 #7536B1

square

#B13736 #72B136 #36B0B1 #7536B1

split-complementary

#B13736 #36B175 #3672B1

monochromatic

#531A19 #822828 #B13736 #CC5958 #DA8887

Accessibility & contrast

On white

6.05

#B13736 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#B13736 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13736

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13736	#FFFFFF	#000000	##FFFFFF
##B13736	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595235

Deuteranopia (green-blind)

#776C32

Tritanopia (blue-blind)

#C21338

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b13736;
/* rgb */ color: rgb(177, 55, 54);
/* oklch */ color: oklch(51.7% 0.158 25.0);

Tailwind

colors: {
  custom: {
    50: '#d0756d',
    500: '#b13736',
    950: '#000000',
  },
}

SCSS

$custom: #b13736;
$custom-light: #d0756d;
$custom-dark: #000000;

JSON

{
  "hex": "#b13736",
  "rgb": {
    "r": 177,
    "g": 55,
    "b": 54
  },
  "hsl": {
    "h": 0.488,
    "s": 53.247,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51694,
    "c": 0.15848,
    "h": 25
  },
  "luminance": 0.12346
}

Semantic roles & 50–950 ramp

primary

#B13736

secondary

#7FC4C4

accent

#DBDD4B

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B13736

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

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