#B43F2A#B43F2A

#B43F2A is a mid, vivid red. Relative luminance 0.134; OKLCH L 53.0% C 0.156 H 32.4°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#B43F2A
RGB	rgb(180, 63, 42)
HSL	hsl(9, 62%, 44%)
HSV	hsv(9, 77%, 71%)
CMYK	cmyk(0%, 65%, 76.7%, 29.4%)
CIE-LAB	lab(43.40, 46.33, 37.78)
CIE-LCH	lch(43.40, 59.78, 39.20°)
OKLab	oklab(52.97% 0.1317 0.0836)
OKLCH	oklch(52.97% 0.156 32.4)
XYZ	xyz(21.0201, 13.4285, 3.6752)
Luminance	0.1343 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43F2A #2A9FB4

analogous

#B42A5A #B43F2A #B4842A

triadic

#B43F2A #2AB43F #3F2AB4

tetradic

#B43F2A #5AB42A #2A9FB4 #842AB4

square

#B43F2A #5AB42A #2A9FB4 #842AB4

split-complementary

#B43F2A #2AB484 #2A5AB4

monochromatic

#511C13 #822E1E #B43F2A #D45D47 #E08879

Accessibility & contrast

On white

5.70

#B43F2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B43F2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43F2A

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43F2A	#FFFFFF	#000000	##FFFFFF
##B43F2A	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)

#605627

Deuteranopia (green-blind)

#7D7026

Tritanopia (blue-blind)

#C61F3B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b43f2a;
/* rgb */ color: rgb(180, 63, 42);
/* oklch */ color: oklch(53.0% 0.156 32.4);

Tailwind

colors: {
  custom: {
    50: '#d27a65',
    500: '#b43f2a',
    950: '#000000',
  },
}

SCSS

$custom: #b43f2a;
$custom-light: #d27a65;
$custom-dark: #000000;

JSON

{
  "hex": "#b43f2a",
  "rgb": {
    "r": 180,
    "g": 63,
    "b": 42
  },
  "hsl": {
    "h": 9.13,
    "s": 62.162,
    "l": 43.529
  },
  "oklch": {
    "l": 0.52974,
    "c": 0.15603,
    "h": 32.4
  },
  "luminance": 0.13425
}

Semantic roles & 50–950 ramp

primary

#B43F2A

secondary

#72BBC8

accent

#CCE543

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B43F2A

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

Preview Lab → · Contrast checker → · Palette generator →