#B4272C#B4272C

#B4272C is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.5% C 0.177 H 24.7°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#B4272C
RGB	rgb(180, 39, 44)
HSL	hsl(358, 64%, 43%)
HSV	hsv(358, 78%, 71%)
CMYK	cmyk(0%, 78.3%, 75.6%, 29.4%)
CIE-LAB	lab(40.15, 55.41, 33.10)
CIE-LCH	lch(40.15, 64.55, 30.86°)
OKLab	oklab(50.55% 0.1607 0.074)
OKLCH	oklch(50.55% 0.177 24.7)
XYZ	xyz(20.0049, 11.3394, 3.5178)
Luminance	0.1134 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4272C #27B4AF

analogous

#B42773 #B4272C #B46827

triadic

#B4272C #2CB427 #272CB4

tetradic

#B4272C #73B427 #27B4AF #6827B4

square

#B4272C #73B427 #27B4AF #6827B4

split-complementary

#B4272C #27B468 #2773B4

monochromatic

#4F1113 #821C20 #B4272C #D64247 #E17478

Accessibility & contrast

On white

6.43

#B4272C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#B4272C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4272C

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4272C	#FFFFFF	#000000	##FFFFFF
##B4272C	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534B2B

Deuteranopia (green-blind)

#756927

Tritanopia (blue-blind)

#C6002B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b4272c;
/* rgb */ color: rgb(180, 39, 44);
/* oklch */ color: oklch(50.5% 0.177 24.7);

Tailwind

colors: {
  custom: {
    50: '#d36e65',
    500: '#b4272c',
    950: '#000000',
  },
}

SCSS

$custom: #b4272c;
$custom-light: #d36e65;
$custom-dark: #000000;

JSON

{
  "hex": "#b4272c",
  "rgb": {
    "r": 180,
    "g": 39,
    "b": 44
  },
  "hsl": {
    "h": 357.872,
    "s": 64.384,
    "l": 42.941
  },
  "oklch": {
    "l": 0.50547,
    "c": 0.17687,
    "h": 24.7
  },
  "luminance": 0.11336
}

Semantic roles & 50–950 ramp

primary

#B4272C

secondary

#6FC8C5

accent

#E7E140

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160805

muted

#847B7A

Preview Lab

Preview with #B4272C

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

Preview Lab → · Contrast checker → · Palette generator →