#B53C22#B53C22

#B53C22 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.161 H 33.7°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#B53C22
RGB	rgb(181, 60, 34)
HSL	hsl(11, 68%, 42%)
HSV	hsv(11, 81%, 71%)
CMYK	cmyk(0%, 66.9%, 81.2%, 29%)
CIE-LAB	lab(43.02, 47.68, 41.68)
CIE-LCH	lch(43.02, 63.33, 41.16°)
OKLab	oklab(52.7% 0.1343 0.0896)
OKLCH	oklch(52.7% 0.161 33.7)
XYZ	xyz(20.9630, 13.1741, 2.9521)
Luminance	0.1317 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53C22 #229BB5

analogous

#B52252 #B53C22 #B58522

triadic

#B53C22 #22B53C #3C22B5

tetradic

#B53C22 #52B522 #229BB5 #8522B5

square

#B53C22 #52B522 #229BB5 #8522B5

split-complementary

#B53C22 #22B585 #2252B5

monochromatic

#4E1A0F #812B18 #B53C22 #DA563A #E4836E

Accessibility & contrast

On white

5.78

#B53C22 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#B53C22 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53C22

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53C22	#FFFFFF	#000000	##FFFFFF
##B53C22	1.00	5.78	3.63	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F551E

Deuteranopia (green-blind)

#7D701D

Tritanopia (blue-blind)

#C71637

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b53c22;
/* rgb */ color: rgb(181, 60, 34);
/* oklch */ color: oklch(52.7% 0.161 33.7);

Tailwind

colors: {
  custom: {
    50: '#d4785f',
    500: '#b53c22',
    950: '#000000',
  },
}

SCSS

$custom: #b53c22;
$custom-light: #d4785f;
$custom-dark: #000000;

JSON

{
  "hex": "#b53c22",
  "rgb": {
    "r": 181,
    "g": 60,
    "b": 34
  },
  "hsl": {
    "h": 10.612,
    "s": 68.372,
    "l": 42.157
  },
  "oklch": {
    "l": 0.52699,
    "c": 0.16148,
    "h": 33.7
  },
  "luminance": 0.13171
}

Semantic roles & 50–950 ramp

primary

#B53C22

secondary

#69B9CA

accent

#CCEB3D

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B53C22

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

Preview Lab → · Contrast checker → · Palette generator →