#B43A2F#B43A2F

#B43A2F is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.160 H 28.8°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#B43A2F
RGB	rgb(180, 58, 47)
HSL	hsl(5, 59%, 45%)
HSV	hsv(5, 74%, 71%)
CMYK	cmyk(0%, 67.8%, 73.9%, 29.4%)
CIE-LAB	lab(42.67, 48.67, 34.18)
CIE-LCH	lch(42.67, 59.47, 35.08°)
OKLab	oklab(52.44% 0.1401 0.077)
OKLCH	oklch(52.44% 0.16 28.8)
XYZ	xyz(20.8508, 12.9377, 4.0881)
Luminance	0.1293 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43A2F #2FA9B4

analogous

#B42F67 #B43A2F #B47C2F

triadic

#B43A2F #2FB43A #3A2FB4

tetradic

#B43A2F #67B42F #2FA9B4 #7C2FB4

square

#B43A2F #67B42F #2FA9B4 #7C2FB4

split-complementary

#B43A2F #2FB47C #2F67B4

monochromatic

#531B16 #832A22 #B43A2F #D15A4F #DE8780

Accessibility & contrast

On white

5.85

#B43A2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B43A2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43A2F

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43A2F	#FFFFFF	#000000	##FFFFFF
##B43A2F	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C542D

Deuteranopia (green-blind)

#7B6F2B

Tritanopia (blue-blind)

#C61638

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43a2f;
/* rgb */ color: rgb(180, 58, 47);
/* oklch */ color: oklch(52.4% 0.160 28.8);

Tailwind

colors: {
  custom: {
    50: '#d27768',
    500: '#b43a2f',
    950: '#000000',
  },
}

SCSS

$custom: #b43a2f;
$custom-light: #d27768;
$custom-dark: #000000;

JSON

{
  "hex": "#b43a2f",
  "rgb": {
    "r": 180,
    "g": 58,
    "b": 47
  },
  "hsl": {
    "h": 4.962,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.52442,
    "c": 0.15984,
    "h": 28.8
  },
  "luminance": 0.12935
}

Semantic roles & 50–950 ramp

primary

#B43A2F

secondary

#78C0C7

accent

#D5E246

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B43A2F

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

Preview Lab → · Contrast checker → · Palette generator →