#B53D36#B53D36

#B53D36 is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.1% C 0.157 H 27.1°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#B53D36
RGB	rgb(181, 61, 54)
HSL	hsl(3, 54%, 46%)
HSV	hsv(3, 70%, 71%)
CMYK	cmyk(0%, 66.3%, 70.2%, 29%)
CIE-LAB	lab(43.41, 48.09, 31.02)
CIE-LCH	lch(43.41, 57.22, 32.82°)
OKLab	oklab(53.06% 0.1396 0.0715)
OKLCH	oklch(53.06% 0.157 27.1)
XYZ	xyz(21.3929, 13.4306, 4.9552)
Luminance	0.1343 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53D36 #36AEB5

analogous

#B5366E #B53D36 #B57C36

triadic

#B53D36 #36B53D #3D36B5

tetradic

#B53D36 #6EB536 #36AEB5 #7C36B5

square

#B53D36 #6EB536 #36AEB5 #7C36B5

split-complementary

#B53D36 #36B57C #366EB5

monochromatic

#571D1A #862D28 #B53D36 #CE615A #DC8E89

Accessibility & contrast

On white

5.70

#B53D36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B53D36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53D36

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53D36	#FFFFFF	#000000	##FFFFFF
##B53D36	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5634

Deuteranopia (green-blind)

#7C7032

Tritanopia (blue-blind)

#C71E3C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53d36;
/* rgb */ color: rgb(181, 61, 54);
/* oklch */ color: oklch(53.1% 0.157 27.1);

Tailwind

colors: {
  custom: {
    50: '#d3796d',
    500: '#b53d36',
    950: '#000000',
  },
}

SCSS

$custom: #b53d36;
$custom-light: #d3796d;
$custom-dark: #000000;

JSON

{
  "hex": "#b53d36",
  "rgb": {
    "r": 181,
    "g": 61,
    "b": 54
  },
  "hsl": {
    "h": 3.307,
    "s": 54.043,
    "l": 46.078
  },
  "oklch": {
    "l": 0.53056,
    "c": 0.15679,
    "h": 27.1
  },
  "luminance": 0.13428
}

Semantic roles & 50–950 ramp

primary

#B53D36

secondary

#81C2C6

accent

#D5DD4A

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B53D36

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

Preview Lab → · Contrast checker → · Palette generator →