#B52C2C#B52C2C

#B52C2C is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.2% C 0.174 H 25.9°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#B52C2C
RGB	rgb(181, 44, 44)
HSL	hsl(0, 61%, 44%)
HSV	hsv(0, 76%, 71%)
CMYK	cmyk(0%, 75.7%, 75.7%, 29%)
CIE-LAB	lab(40.91, 54.12, 34.01)
CIE-LCH	lch(40.91, 63.92, 32.15°)
OKLab	oklab(51.15% 0.1565 0.0759)
OKLCH	oklch(51.15% 0.174 25.9)
XYZ	xyz(20.4137, 11.8102, 3.5871)
Luminance	0.1181 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52C2C #2CB5B5

analogous

#B52C71 #B52C2C #B5712C

triadic

#B52C2C #2CB52C #2C2CB5

tetradic

#B52C2C #71B52C #2CB5B5 #712CB5

square

#B52C2C #71B52C #2CB5B5 #712CB5

split-complementary

#B52C2C #2CB571 #2C71B5

monochromatic

#531414 #842020 #B52C2C #D34B4B #DF7C7C

Accessibility & contrast

On white

6.25

#B52C2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#B52C2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52C2C

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52C2C	#FFFFFF	#000000	##FFFFFF
##B52C2C	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E2A

Deuteranopia (green-blind)

#776B27

Tritanopia (blue-blind)

#C7002E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b52c2c;
/* rgb */ color: rgb(181, 44, 44);
/* oklch */ color: oklch(51.2% 0.174 25.9);

Tailwind

colors: {
  custom: {
    50: '#d47065',
    500: '#b52c2c',
    950: '#000000',
  },
}

SCSS

$custom: #b52c2c;
$custom-light: #d47065;
$custom-dark: #000000;

JSON

{
  "hex": "#b52c2c",
  "rgb": {
    "r": 181,
    "g": 44,
    "b": 44
  },
  "hsl": {
    "h": 0,
    "s": 60.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51152,
    "c": 0.17388,
    "h": 25.9
  },
  "luminance": 0.11807
}

Semantic roles & 50–950 ramp

primary

#B52C2C

secondary

#75C8C8

accent

#E4E444

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B52C2C

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

Preview Lab → · Contrast checker → · Palette generator →