#B43A36#B43A36

#B43A36 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.159 H 26.1°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B43A36
RGB	rgb(180, 58, 54)
HSL	hsl(2, 54%, 46%)
HSV	hsv(2, 70%, 71%)
CMYK	cmyk(0%, 67.8%, 70%, 29.4%)
CIE-LAB	lab(42.76, 49.01, 30.21)
CIE-LCH	lch(42.76, 57.57, 31.65°)
OKLab	oklab(52.54% 0.1426 0.0697)
OKLCH	oklch(52.54% 0.159 26.1)
XYZ	xyz(21.0035, 12.9988, 4.8924)
Luminance	0.1300 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43A36 #36B0B4

analogous

#B43671 #B43A36 #B47936

triadic

#B43A36 #36B43A #3A36B4

tetradic

#B43A36 #71B436 #36B0B4 #7936B4

square

#B43A36 #71B436 #36B0B4 #7936B4

split-complementary

#B43A36 #36B479 #3671B4

monochromatic

#561C1A #852B28 #B43A36 #CD5D5A #DC8B89

Accessibility & contrast

On white

5.83

#B43A36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B43A36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43A36

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43A36	#FFFFFF	#000000	##FFFFFF
##B43A36	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5435

Deuteranopia (green-blind)

#7A6F32

Tritanopia (blue-blind)

#C6183A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43a36;
/* rgb */ color: rgb(180, 58, 54);
/* oklch */ color: oklch(52.5% 0.159 26.1);

Tailwind

colors: {
  custom: {
    50: '#d2776d',
    500: '#b43a36',
    950: '#000000',
  },
}

SCSS

$custom: #b43a36;
$custom-light: #d2776d;
$custom-dark: #000000;

JSON

{
  "hex": "#b43a36",
  "rgb": {
    "r": 180,
    "g": 58,
    "b": 54
  },
  "hsl": {
    "h": 1.905,
    "s": 53.846,
    "l": 45.882
  },
  "oklch": {
    "l": 0.5254,
    "c": 0.15871,
    "h": 26.1
  },
  "luminance": 0.12996
}

Semantic roles & 50–950 ramp

primary

#B43A36

secondary

#80C3C6

accent

#D9DD4B

background

#FDF7F6

surface

#FBEEEB

border

#D4C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #B43A36

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

Preview Lab → · Contrast checker → · Palette generator →