#B52B35#B52B35

#B52B35 is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.2% C 0.174 H 22.3°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#B52B35
RGB	rgb(181, 43, 53)
HSL	hsl(356, 62%, 44%)
HSV	hsv(356, 76%, 71%)
CMYK	cmyk(0%, 76.2%, 70.7%, 29%)
CIE-LAB	lab(40.92, 54.84, 28.65)
CIE-LCH	lch(40.92, 61.88, 27.58°)
OKLab	oklab(51.19% 0.1607 0.0661)
OKLCH	oklch(51.19% 0.174 22.3)
XYZ	xyz(20.5649, 11.8117, 4.5645)
Luminance	0.1181 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52B35 #2BB5AB

analogous

#B52B7A #B52B35 #B5662B

triadic

#B52B35 #35B52B #2B35B5

tetradic

#B52B35 #7AB52B #2BB5AB #662BB5

square

#B52B35 #7AB52B #2BB5AB #662BB5

split-complementary

#B52B35 #2BB566 #2B7AB5

monochromatic

#521418 #841F27 #B52B35 #D44953 #E07B82

Accessibility & contrast

On white

6.25

#B52B35 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#B52B35 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52B35

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52B35	#FFFFFF	#000000	##FFFFFF
##B52B35	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)

#544E34

Deuteranopia (green-blind)

#766B30

Tritanopia (blue-blind)

#C70030

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b52b35;
/* rgb */ color: rgb(181, 43, 53);
/* oklch */ color: oklch(51.2% 0.174 22.3);

Tailwind

colors: {
  custom: {
    50: '#d3706c',
    500: '#b52b35',
    950: '#000000',
  },
}

SCSS

$custom: #b52b35;
$custom-light: #d3706c;
$custom-dark: #000000;

JSON

{
  "hex": "#b52b35",
  "rgb": {
    "r": 181,
    "g": 43,
    "b": 53
  },
  "hsl": {
    "h": 355.652,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51193,
    "c": 0.17378,
    "h": 22.3
  },
  "luminance": 0.11809
}

Semantic roles & 50–950 ramp

primary

#B52B35

secondary

#74C8C2

accent

#E5D943

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160807

muted

#847B7A

Preview Lab

Preview with #B52B35

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

Preview Lab → · Contrast checker → · Palette generator →