#B43F22#B43F22

#B43F22 is a mid, vivid red. Relative luminance 0.134; OKLCH L 52.9% C 0.158 H 34.9°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#B43F22
RGB	rgb(180, 63, 34)
HSL	hsl(12, 68%, 42%)
HSV	hsv(12, 81%, 71%)
CMYK	cmyk(0%, 65%, 81.1%, 29.4%)
CIE-LAB	lab(43.33, 46.03, 41.91)
CIE-LCH	lch(43.33, 62.26, 42.32°)
OKLab	oklab(52.89% 0.1293 0.0903)
OKLCH	oklch(52.89% 0.158 34.9)
XYZ	xyz(20.8910, 13.3769, 2.9950)
Luminance	0.1337 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43F22 #2297B4

analogous

#B4224E #B43F22 #B48822

triadic

#B43F22 #22B43F #3F22B4

tetradic

#B43F22 #4EB422 #2297B4 #8822B4

square

#B43F22 #4EB422 #2297B4 #8822B4

split-complementary

#B43F22 #22B488 #224EB4

monochromatic

#4D1B0F #812D18 #B43F22 #DA593A #E3856D

Accessibility & contrast

On white

5.71

#B43F22 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B43F22 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43F22

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43F22	#FFFFFF	#000000	##FFFFFF
##B43F22	1.00	5.71	3.67	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61561E

Deuteranopia (green-blind)

#7D701D

Tritanopia (blue-blind)

#C61E39

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43f22;
/* rgb */ color: rgb(180, 63, 34);
/* oklch */ color: oklch(52.9% 0.158 34.9);

Tailwind

colors: {
  custom: {
    50: '#d37a5f',
    500: '#b43f22',
    950: '#000000',
  },
}

SCSS

$custom: #b43f22;
$custom-light: #d37a5f;
$custom-dark: #000000;

JSON

{
  "hex": "#b43f22",
  "rgb": {
    "r": 180,
    "g": 63,
    "b": 34
  },
  "hsl": {
    "h": 11.918,
    "s": 68.224,
    "l": 41.961
  },
  "oklch": {
    "l": 0.52892,
    "c": 0.1577,
    "h": 34.9
  },
  "luminance": 0.13374
}

Semantic roles & 50–950 ramp

primary

#B43F22

secondary

#68B6CA

accent

#C8EB3D

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B43F22

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

Preview Lab → · Contrast checker → · Palette generator →