#B43A2B#B43A2B

#B43A2B is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.161 H 30.3°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#B43A2B
RGB	rgb(180, 58, 43)
HSL	hsl(7, 61%, 44%)
HSV	hsv(7, 76%, 71%)
CMYK	cmyk(0%, 67.8%, 76.1%, 29.4%)
CIE-LAB	lab(42.62, 48.50, 36.40)
CIE-LCH	lch(42.62, 60.64, 36.89°)
OKLab	oklab(52.39% 0.1387 0.0809)
OKLCH	oklch(52.39% 0.161 30.3)
XYZ	xyz(20.7738, 12.9069, 3.6824)
Luminance	0.1290 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43A2B #2BA5B4

analogous

#B42B60 #B43A2B #B47E2B

triadic

#B43A2B #2BB43A #3A2BB4

tetradic

#B43A2B #60B42B #2BA5B4 #7E2BB4

square

#B43A2B #60B42B #2BA5B4 #7E2BB4

split-complementary

#B43A2B #2BB47E #2B60B4

monochromatic

#511A13 #832A1F #B43A2B #D35849 #DF857A

Accessibility & contrast

On white

5.86

#B43A2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#B43A2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43A2B

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43A2B	#FFFFFF	#000000	##FFFFFF
##B43A2B	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5428

Deuteranopia (green-blind)

#7B6E26

Tritanopia (blue-blind)

#C61437

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43a2b;
/* rgb */ color: rgb(180, 58, 43);
/* oklch */ color: oklch(52.4% 0.161 30.3);

Tailwind

colors: {
  custom: {
    50: '#d37765',
    500: '#b43a2b',
    950: '#000000',
  },
}

SCSS

$custom: #b43a2b;
$custom-light: #d37765;
$custom-dark: #000000;

JSON

{
  "hex": "#b43a2b",
  "rgb": {
    "r": 180,
    "g": 58,
    "b": 43
  },
  "hsl": {
    "h": 6.569,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.52392,
    "c": 0.16056,
    "h": 30.3
  },
  "luminance": 0.12904
}

Semantic roles & 50–950 ramp

primary

#B43A2B

secondary

#73BEC7

accent

#D3E543

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B43A2B

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

Preview Lab → · Contrast checker → · Palette generator →