#B13636#B13636

#B13636 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.6% C 0.159 H 24.7°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#B13636
RGB	rgb(177, 54, 54)
HSL	hsl(0, 53%, 45%)
HSV	hsv(0, 69%, 69%)
CMYK	cmyk(0%, 69.5%, 69.5%, 30.6%)
CIE-LAB	lab(41.62, 49.63, 28.71)
CIE-LCH	lch(41.62, 57.34, 30.05°)
OKLab	oklab(51.58% 0.1449 0.0666)
OKLCH	oklch(51.58% 0.159 24.7)
XYZ	xyz(20.1186, 12.2547, 4.7953)
Luminance	0.1225 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13636 #36B1B1

analogous

#B13673 #B13636 #B17336

triadic

#B13636 #36B136 #3636B1

tetradic

#B13636 #73B136 #36B1B1 #7336B1

square

#B13636 #73B136 #36B1B1 #7336B1

split-complementary

#B13636 #36B173 #3673B1

monochromatic

#531919 #822828 #B13636 #CC5858 #DA8787

Accessibility & contrast

On white

6.09

#B13636 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B13636 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13636

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13636	#FFFFFF	#000000	##FFFFFF
##B13636	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585135

Deuteranopia (green-blind)

#776C32

Tritanopia (blue-blind)

#C21037

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b13636;
/* rgb */ color: rgb(177, 54, 54);
/* oklch */ color: oklch(51.6% 0.159 24.7);

Tailwind

colors: {
  custom: {
    50: '#d0756d',
    500: '#b13636',
    950: '#000000',
  },
}

SCSS

$custom: #b13636;
$custom-light: #d0756d;
$custom-dark: #000000;

JSON

{
  "hex": "#b13636",
  "rgb": {
    "r": 177,
    "g": 54,
    "b": 54
  },
  "hsl": {
    "h": 0,
    "s": 53.247,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51584,
    "c": 0.15947,
    "h": 24.7
  },
  "luminance": 0.12252
}

Semantic roles & 50–950 ramp

primary

#B13636

secondary

#7FC4C4

accent

#DDDD4B

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B13636

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

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