#B43F2B#B43F2B

#B43F2B is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.0% C 0.156 H 32.1°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#B43F2B
RGB	rgb(180, 63, 43)
HSL	hsl(9, 61%, 44%)
HSV	hsv(9, 76%, 71%)
CMYK	cmyk(0%, 65%, 76.1%, 29.4%)
CIE-LAB	lab(43.41, 46.37, 37.25)
CIE-LCH	lch(43.41, 59.47, 38.78°)
OKLab	oklab(52.99% 0.132 0.0827)
OKLCH	oklch(52.99% 0.156 32.1)
XYZ	xyz(21.0382, 13.4358, 3.7706)
Luminance	0.1343 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43F2B #2BA0B4

analogous

#B42B5B #B43F2B #B4832B

triadic

#B43F2B #2BB43F #3F2BB4

tetradic

#B43F2B #5BB42B #2BA0B4 #832BB4

square

#B43F2B #5BB42B #2BA0B4 #832BB4

split-complementary

#B43F2B #2BB483 #2B5BB4

monochromatic

#511C13 #832E1F #B43F2B #D35D49 #DF897A

Accessibility & contrast

On white

5.70

#B43F2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B43F2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43F2B

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43F2B	#FFFFFF	#000000	##FFFFFF
##B43F2B	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605628

Deuteranopia (green-blind)

#7D7027

Tritanopia (blue-blind)

#C61F3B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b43f2b;
/* rgb */ color: rgb(180, 63, 43);
/* oklch */ color: oklch(53.0% 0.156 32.1);

Tailwind

colors: {
  custom: {
    50: '#d27a65',
    500: '#b43f2b',
    950: '#000000',
  },
}

SCSS

$custom: #b43f2b;
$custom-light: #d27a65;
$custom-dark: #000000;

JSON

{
  "hex": "#b43f2b",
  "rgb": {
    "r": 180,
    "g": 63,
    "b": 43
  },
  "hsl": {
    "h": 8.759,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.52985,
    "c": 0.15582,
    "h": 32.1
  },
  "luminance": 0.13433
}

Semantic roles & 50–950 ramp

primary

#B43F2B

secondary

#73BBC7

accent

#CDE543

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B43F2B

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

Preview Lab → · Contrast checker → · Palette generator →