#B13B22#B13B22

#B13B22 is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.9% C 0.158 H 33.6°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B13B22
RGB	rgb(177, 59, 34)
HSL	hsl(10, 68%, 41%)
HSV	hsv(10, 81%, 69%)
CMYK	cmyk(0%, 66.7%, 80.8%, 30.6%)
CIE-LAB	lab(42.14, 46.71, 40.58)
CIE-LCH	lch(42.14, 61.87, 40.99°)
OKLab	oklab(51.9% 0.1317 0.0876)
OKLCH	oklch(51.9% 0.158 33.6)
XYZ	xyz(19.9864, 12.5935, 2.8914)
Luminance	0.1259 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13B22 #2298B1

analogous

#B12250 #B13B22 #B18322

triadic

#B13B22 #22B13B #3B22B1

tetradic

#B13B22 #50B122 #2298B1 #8322B1

square

#B13B22 #50B122 #2298B1 #8322B1

split-complementary

#B13B22 #22B183 #2250B1

monochromatic

#4A190E #7E2A18 #B13B22 #D95438 #E3806B

Accessibility & contrast

On white

5.97

#B13B22 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B13B22 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13B22

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13B22	#FFFFFF	#000000	##FFFFFF
##B13B22	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D531E

Deuteranopia (green-blind)

#7A6D1D

Tritanopia (blue-blind)

#C31736

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b13b22;
/* rgb */ color: rgb(177, 59, 34);
/* oklch */ color: oklch(51.9% 0.158 33.6);

Tailwind

colors: {
  custom: {
    50: '#d1775f',
    500: '#b13b22',
    950: '#000000',
  },
}

SCSS

$custom: #b13b22;
$custom-light: #d1775f;
$custom-dark: #000000;

JSON

{
  "hex": "#b13b22",
  "rgb": {
    "r": 177,
    "g": 59,
    "b": 34
  },
  "hsl": {
    "h": 10.49,
    "s": 67.773,
    "l": 41.373
  },
  "oklch": {
    "l": 0.51903,
    "c": 0.15817,
    "h": 33.6
  },
  "luminance": 0.12591
}

Semantic roles & 50–950 ramp

primary

#B13B22

secondary

#66B7C9

accent

#CCEB3D

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B13B22

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

Preview Lab → · Contrast checker → · Palette generator →