#B43B2C#B43B2C

#B43B2C is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.5% C 0.159 H 30.2°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B43B2C
RGB	rgb(180, 59, 44)
HSL	hsl(7, 61%, 44%)
HSV	hsv(7, 76%, 71%)
CMYK	cmyk(0%, 67.2%, 75.6%, 29.4%)
CIE-LAB	lab(42.79, 48.12, 36.01)
CIE-LCH	lch(42.79, 60.11, 36.81°)
OKLab	oklab(52.52% 0.1377 0.0803)
OKLCH	oklch(52.52% 0.159 30.2)
XYZ	xyz(20.8433, 13.0161, 3.7972)
Luminance	0.1301 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B43B2C #2CA5B4

analogous

#B42C61 #B43B2C #B47F2C

triadic

#B43B2C #2CB43B #3B2CB4

tetradic

#B43B2C #61B42C #2CA5B4 #7F2CB4

square

#B43B2C #61B42C #2CA5B4 #7F2CB4

split-complementary

#B43B2C #2CB47F #2C61B4

monochromatic

#521B14 #832B20 #B43B2C #D3594A #DF867C

Accessibility & contrast

On white

5.83

#B43B2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B43B2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B43B2C

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B43B2C	#FFFFFF	#000000	##FFFFFF
##B43B2C	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)

#5D5429

Deuteranopia (green-blind)

#7B6F28

Tritanopia (blue-blind)

#C61738

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b43b2c;
/* rgb */ color: rgb(180, 59, 44);
/* oklch */ color: oklch(52.5% 0.159 30.2);

Tailwind

colors: {
  custom: {
    50: '#d37866',
    500: '#b43b2c',
    950: '#000000',
  },
}

SCSS

$custom: #b43b2c;
$custom-light: #d37866;
$custom-dark: #000000;

JSON

{
  "hex": "#b43b2c",
  "rgb": {
    "r": 180,
    "g": 59,
    "b": 44
  },
  "hsl": {
    "h": 6.618,
    "s": 60.714,
    "l": 43.922
  },
  "oklch": {
    "l": 0.52519,
    "c": 0.15943,
    "h": 30.2
  },
  "luminance": 0.13013
}

Semantic roles & 50–950 ramp

primary

#B43B2C

secondary

#75BEC7

accent

#D2E444

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B43B2C

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

Preview Lab → · Contrast checker → · Palette generator →