#B53F22#B53F22

#B53F22 is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.1% C 0.159 H 34.8°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#B53F22
RGB	rgb(181, 63, 34)
HSL	hsl(12, 68%, 42%)
HSV	hsv(12, 81%, 71%)
CMYK	cmyk(0%, 65.2%, 81.2%, 29%)
CIE-LAB	lab(43.50, 46.39, 42.15)
CIE-LCH	lch(43.50, 62.67, 42.26°)
OKLab	oklab(53.06% 0.1303 0.0907)
OKLCH	oklch(53.06% 0.159 34.8)
XYZ	xyz(21.1247, 13.4974, 3.0060)
Luminance	0.1349 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53F22 #2298B5

analogous

#B5224E #B53F22 #B58922

triadic

#B53F22 #22B53F #3F22B5

tetradic

#B53F22 #4EB522 #2298B5 #8922B5

square

#B53F22 #4EB522 #2298B5 #8922B5

split-complementary

#B53F22 #22B589 #224EB5

monochromatic

#4E1B0F #812D18 #B53F22 #DA5A3A #E4856E

Accessibility & contrast

On white

5.68

#B53F22 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#B53F22 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53F22

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53F22	#FFFFFF	#000000	##FFFFFF
##B53F22	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61561E

Deuteranopia (green-blind)

#7E711D

Tritanopia (blue-blind)

#C71D39

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b53f22;
/* rgb */ color: rgb(181, 63, 34);
/* oklch */ color: oklch(53.1% 0.159 34.8);

Tailwind

colors: {
  custom: {
    50: '#d47a60',
    500: '#b53f22',
    950: '#000000',
  },
}

SCSS

$custom: #b53f22;
$custom-light: #d47a60;
$custom-dark: #000000;

JSON

{
  "hex": "#b53f22",
  "rgb": {
    "r": 181,
    "g": 63,
    "b": 34
  },
  "hsl": {
    "h": 11.837,
    "s": 68.372,
    "l": 42.157
  },
  "oklch": {
    "l": 0.53059,
    "c": 0.15876,
    "h": 34.8
  },
  "luminance": 0.13494
}

Semantic roles & 50–950 ramp

primary

#B53F22

secondary

#69B7CA

accent

#C9EB3D

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B53F22

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

Preview Lab → · Contrast checker → · Palette generator →