#B52B39#B52B39

#B52B39 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.3% C 0.174 H 20.8°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#B52B39
RGB	rgb(181, 43, 57)
HSL	hsl(354, 62%, 44%)
HSV	hsv(354, 76%, 71%)
CMYK	cmyk(0%, 76.2%, 68.5%, 29%)
CIE-LAB	lab(40.98, 55.04, 26.29)
CIE-LCH	lch(40.98, 61.00, 25.53°)
OKLab	oklab(51.26% 0.1623 0.0615)
OKLCH	oklch(51.26% 0.174 20.8)
XYZ	xyz(20.6607, 11.8501, 5.0695)
Luminance	0.1185 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52B39 #2BB5A7

analogous

#B52B7E #B52B39 #B5622B

triadic

#B52B39 #39B52B #2B39B5

tetradic

#B52B39 #7EB52B #2BB5A7 #622BB5

square

#B52B39 #7EB52B #2BB5A7 #622BB5

split-complementary

#B52B39 #2BB562 #2B7EB5

monochromatic

#52141A #841F29 #B52B39 #D44957 #E07B85

Accessibility & contrast

On white

6.23

#B52B39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#B52B39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52B39

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52B39	#FFFFFF	#000000	##FFFFFF
##B52B39	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534E38

Deuteranopia (green-blind)

#766B35

Tritanopia (blue-blind)

#C70032

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #b52b39;
/* rgb */ color: rgb(181, 43, 57);
/* oklch */ color: oklch(51.3% 0.174 20.8);

Tailwind

colors: {
  custom: {
    50: '#d3706f',
    500: '#b52b39',
    950: '#000000',
  },
}

SCSS

$custom: #b52b39;
$custom-light: #d3706f;
$custom-dark: #000000;

JSON

{
  "hex": "#b52b39",
  "rgb": {
    "r": 181,
    "g": 43,
    "b": 57
  },
  "hsl": {
    "h": 353.913,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51258,
    "c": 0.17351,
    "h": 20.8
  },
  "luminance": 0.11847
}

Semantic roles & 50–950 ramp

primary

#B52B39

secondary

#74C8BF

accent

#E5D443

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160807

muted

#847B7A

Preview Lab

Preview with #B52B39

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

Preview Lab → · Contrast checker → · Palette generator →