#B52C38#B52C38

#B52C38 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.3% C 0.173 H 21.4°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#B52C38
RGB	rgb(181, 44, 56)
HSL	hsl(355, 61%, 44%)
HSV	hsv(355, 76%, 71%)
CMYK	cmyk(0%, 75.7%, 69.1%, 29%)
CIE-LAB	lab(41.08, 54.66, 27.02)
CIE-LCH	lch(41.08, 60.98, 26.31°)
OKLab	oklab(51.33% 0.1608 0.063)
OKLCH	oklch(51.33% 0.173 21.4)
XYZ	xyz(20.6728, 11.9138, 4.9517)
Luminance	0.1191 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52C38 #2CB5A9

analogous

#B52C7C #B52C38 #B5652C

triadic

#B52C38 #38B52C #2C38B5

tetradic

#B52C38 #7CB52C #2CB5A9 #652CB5

square

#B52C38 #7CB52C #2CB5A9 #652CB5

split-complementary

#B52C38 #2CB565 #2C7CB5

monochromatic

#53141A #842029 #B52C38 #D34B57 #DF7C85

Accessibility & contrast

On white

6.21

#B52C38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B52C38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52C38

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52C38	#FFFFFF	#000000	##FFFFFF
##B52C38	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544E37

Deuteranopia (green-blind)

#766B34

Tritanopia (blue-blind)

#C70032

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52c38;
/* rgb */ color: rgb(181, 44, 56);
/* oklch */ color: oklch(51.3% 0.173 21.4);

Tailwind

colors: {
  custom: {
    50: '#d3716e',
    500: '#b52c38',
    950: '#000000',
  },
}

SCSS

$custom: #b52c38;
$custom-light: #d3716e;
$custom-dark: #000000;

JSON

{
  "hex": "#b52c38",
  "rgb": {
    "r": 181,
    "g": 44,
    "b": 56
  },
  "hsl": {
    "h": 354.745,
    "s": 60.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51329,
    "c": 0.1727,
    "h": 21.4
  },
  "luminance": 0.11911
}

Semantic roles & 50–950 ramp

primary

#B52C38

secondary

#75C8C0

accent

#E4D644

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160807

muted

#847B7A

Preview Lab

Preview with #B52C38

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

Preview Lab → · Contrast checker → · Palette generator →