#B53C36#B53C36

#B53C36 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.9% C 0.158 H 26.8°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#B53C36
RGB	rgb(181, 60, 54)
HSL	hsl(3, 54%, 46%)
HSV	hsv(3, 70%, 71%)
CMYK	cmyk(0%, 66.9%, 70.2%, 29%)
CIE-LAB	lab(43.25, 48.51, 30.83)
CIE-LCH	lch(43.25, 57.48, 32.44°)
OKLab	oklab(52.94% 0.1409 0.0711)
OKLCH	oklch(52.94% 0.158 26.8)
XYZ	xyz(21.3400, 13.3249, 4.9376)
Luminance	0.1332 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53C36 #36AFB5

analogous

#B5366F #B53C36 #B57B36

triadic

#B53C36 #36B53C #3C36B5

tetradic

#B53C36 #6FB536 #36AFB5 #7B36B5

square

#B53C36 #6FB536 #36AFB5 #7B36B5

split-complementary

#B53C36 #36B57B #366FB5

monochromatic

#571D1A #862C28 #B53C36 #CE605A #DC8D89

Accessibility & contrast

On white

5.73

#B53C36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#B53C36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53C36

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53C36	#FFFFFF	#000000	##FFFFFF
##B53C36	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5634

Deuteranopia (green-blind)

#7C7032

Tritanopia (blue-blind)

#C71B3C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b53c36;
/* rgb */ color: rgb(181, 60, 54);
/* oklch */ color: oklch(52.9% 0.158 26.8);

Tailwind

colors: {
  custom: {
    50: '#d3786d',
    500: '#b53c36',
    950: '#000000',
  },
}

SCSS

$custom: #b53c36;
$custom-light: #d3786d;
$custom-dark: #000000;

JSON

{
  "hex": "#b53c36",
  "rgb": {
    "r": 181,
    "g": 60,
    "b": 54
  },
  "hsl": {
    "h": 2.835,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.52939,
    "c": 0.1578,
    "h": 26.8
  },
  "luminance": 0.13322
}

Semantic roles & 50–950 ramp

primary

#B53C36

secondary

#81C3C6

accent

#D6DD4A

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #B53C36

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

Preview Lab → · Contrast checker → · Palette generator →