#B43E21#B43E21

#B43E21 is a mid, vivid red. Relative luminance 0.133; OKLCH L 52.8% C 0.159 H 34.8°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#B43E21
RGB	rgb(180, 62, 33)
HSL	hsl(12, 69%, 42%)
HSV	hsv(12, 82%, 71%)
CMYK	cmyk(0%, 65.6%, 81.7%, 29.4%)
CIE-LAB	lab(43.15, 46.44, 42.25)
CIE-LCH	lch(43.15, 62.78, 42.30°)
OKLab	oklab(52.76% 0.1304 0.0907)
OKLCH	oklch(52.76% 0.159 34.8)
XYZ	xyz(20.8219, 13.2614, 2.9019)
Luminance	0.1326 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43E21 #2197B4

analogous

#B4214D #B43E21 #B48821

triadic

#B43E21 #21B43E #3E21B4

tetradic

#B43E21 #4DB421 #2197B4 #8821B4

square

#B43E21 #4DB421 #2197B4 #8821B4

split-complementary

#B43E21 #21B488 #214DB4

monochromatic

#4D1A0E #802C18 #B43E21 #DA5838 #E4836B

Accessibility & contrast

On white

5.75

#B43E21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#B43E21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43E21

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43E21	#FFFFFF	#000000	##FFFFFF
##B43E21	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60551C

Deuteranopia (green-blind)

#7D701C

Tritanopia (blue-blind)

#C61C38

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b43e21;
/* rgb */ color: rgb(180, 62, 33);
/* oklch */ color: oklch(52.8% 0.159 34.8);

Tailwind

colors: {
  custom: {
    50: '#d3795f',
    500: '#b43e21',
    950: '#000000',
  },
}

SCSS

$custom: #b43e21;
$custom-light: #d3795f;
$custom-dark: #000000;

JSON

{
  "hex": "#b43e21",
  "rgb": {
    "r": 180,
    "g": 62,
    "b": 33
  },
  "hsl": {
    "h": 11.837,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.52761,
    "c": 0.15881,
    "h": 34.8
  },
  "luminance": 0.13258
}

Semantic roles & 50–950 ramp

primary

#B43E21

secondary

#67B6CA

accent

#C9EC3C

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160905

muted

#847B79

Preview Lab

Preview with #B43E21

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

Preview Lab → · Contrast checker → · Palette generator →