#B53E36#B53E36

#B53E36 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.2% C 0.156 H 27.5°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#B53E36
RGB	rgb(181, 62, 54)
HSL	hsl(4, 54%, 46%)
HSV	hsv(4, 70%, 71%)
CMYK	cmyk(0%, 65.7%, 70.2%, 29%)
CIE-LAB	lab(43.56, 47.66, 31.20)
CIE-LCH	lch(43.56, 56.97, 33.21°)
OKLab	oklab(53.18% 0.1382 0.0719)
OKLCH	oklch(53.18% 0.156 27.5)
XYZ	xyz(21.4468, 13.5384, 4.9732)
Luminance	0.1353 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53E36 #36ADB5

analogous

#B5366D #B53E36 #B57D36

triadic

#B53E36 #36B53E #3E36B5

tetradic

#B53E36 #6DB536 #36ADB5 #7D36B5

square

#B53E36 #6DB536 #36ADB5 #7D36B5

split-complementary

#B53E36 #36B57D #366DB5

monochromatic

#571E1A #862E28 #B53E36 #CE625A #DC8F89

Accessibility & contrast

On white

5.66

#B53E36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#B53E36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53E36

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53E36	#FFFFFF	#000000	##FFFFFF
##B53E36	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5734

Deuteranopia (green-blind)

#7C7032

Tritanopia (blue-blind)

#C71F3D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53e36;
/* rgb */ color: rgb(181, 62, 54);
/* oklch */ color: oklch(53.2% 0.156 27.5);

Tailwind

colors: {
  custom: {
    50: '#d3796d',
    500: '#b53e36',
    950: '#000000',
  },
}

SCSS

$custom: #b53e36;
$custom-light: #d3796d;
$custom-dark: #000000;

JSON

{
  "hex": "#b53e36",
  "rgb": {
    "r": 181,
    "g": 62,
    "b": 54
  },
  "hsl": {
    "h": 3.78,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.53175,
    "c": 0.15578,
    "h": 27.5
  },
  "luminance": 0.13535
}

Semantic roles & 50–950 ramp

primary

#B53E36

secondary

#81C2C6

accent

#D4DD4A

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B53E36

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

Preview Lab → · Contrast checker → · Palette generator →