#B43313#B43313

#B43313 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.4% C 0.171 H 34.3°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#B43313
RGB	rgb(180, 51, 19)
HSL	hsl(12, 81%, 39%)
HSV	hsv(12, 89%, 71%)
CMYK	cmyk(0%, 71.7%, 89.4%, 29.4%)
CIE-LAB	lab(41.41, 50.57, 47.14)
CIE-LCH	lch(41.41, 69.14, 42.99°)
OKLab	oklab(51.42% 0.141 0.0962)
OKLCH	oklch(51.42% 0.171 34.3)
XYZ	xyz(20.1262, 12.1211, 1.8958)
Luminance	0.1212 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43313 #1394B4

analogous

#B41344 #B43313 #B48413

triadic

#B43313 #13B433 #3313B4

tetradic

#B43313 #44B413 #1394B4 #8413B4

square

#B43313 #44B413 #1394B4 #8413B4

split-complementary

#B43313 #13B484 #1344B4

monochromatic

#451407 #7D230D #B43313 #E7451D #ED7354

Accessibility & contrast

On white

6.13

#B43313 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#B43313 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43313

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43313	#FFFFFF	#000000	##FFFFFF
##B43313	1.00	6.13	3.42	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A4F0B

Deuteranopia (green-blind)

#7A6C08

Tritanopia (blue-blind)

#C7002E

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b43313;
/* rgb */ color: rgb(180, 51, 19);
/* oklch */ color: oklch(51.4% 0.171 34.3);

Tailwind

colors: {
  custom: {
    50: '#d47356',
    500: '#b43313',
    950: '#000000',
  },
}

SCSS

$custom: #b43313;
$custom-light: #d47356;
$custom-dark: #000000;

JSON

{
  "hex": "#b43313",
  "rgb": {
    "r": 180,
    "g": 51,
    "b": 19
  },
  "hsl": {
    "h": 11.925,
    "s": 80.905,
    "l": 39.02
  },
  "oklch": {
    "l": 0.51419,
    "c": 0.17064,
    "h": 34.3
  },
  "luminance": 0.12118
}

Semantic roles & 50–950 ramp

primary

#B43313

secondary

#53B7CF

accent

#D0F730

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160903

muted

#847B78

Preview Lab

Preview with #B43313

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

Preview Lab → · Contrast checker → · Palette generator →