#B52C39#B52C39

#B52C39 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.3% C 0.173 H 21.0°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#B52C39
RGB	rgb(181, 44, 57)
HSL	hsl(354, 61%, 44%)
HSV	hsv(354, 76%, 71%)
CMYK	cmyk(0%, 75.7%, 68.5%, 29%)
CIE-LAB	lab(41.09, 54.72, 26.43)
CIE-LCH	lch(41.09, 60.76, 25.78°)
OKLab	oklab(51.35% 0.1612 0.0618)
OKLCH	oklch(51.35% 0.173 21)
XYZ	xyz(20.6975, 11.9237, 5.0818)
Luminance	0.1192 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52C39 #2CB5A8

analogous

#B52C7E #B52C39 #B5642C

triadic

#B52C39 #39B52C #2C39B5

tetradic

#B52C39 #7EB52C #2CB5A8 #642CB5

square

#B52C39 #7EB52C #2CB5A8 #642CB5

split-complementary

#B52C39 #2CB564 #2C7EB5

monochromatic

#53141A #842029 #B52C39 #D34B58 #DF7C86

Accessibility & contrast

On white

6.21

#B52C39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#B52C39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52C39

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52C39	#FFFFFF	#000000	##FFFFFF
##B52C39	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)

#544E38

Deuteranopia (green-blind)

#766B35

Tritanopia (blue-blind)

#C70032

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52c39;
/* rgb */ color: rgb(181, 44, 57);
/* oklch */ color: oklch(51.3% 0.173 21.0);

Tailwind

colors: {
  custom: {
    50: '#d3716f',
    500: '#b52c39',
    950: '#000000',
  },
}

SCSS

$custom: #b52c39;
$custom-light: #d3716f;
$custom-dark: #000000;

JSON

{
  "hex": "#b52c39",
  "rgb": {
    "r": 181,
    "g": 44,
    "b": 57
  },
  "hsl": {
    "h": 354.307,
    "s": 60.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51346,
    "c": 0.17264,
    "h": 21
  },
  "luminance": 0.11921
}

Semantic roles & 50–950 ramp

primary

#B52C39

secondary

#75C8C0

accent

#E4D544

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160807

muted

#847B7A

Preview Lab

Preview with #B52C39

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

Preview Lab → · Contrast checker → · Palette generator →