#B52B2D#B52B2D

#B52B2D is a mid, vivid red. Relative luminance 0.117; OKLCH L 51.1% C 0.175 H 25.3°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#B52B2D
RGB	rgb(181, 43, 45)
HSL	hsl(359, 62%, 44%)
HSV	hsv(359, 76%, 71%)
CMYK	cmyk(0%, 76.2%, 75.1%, 29%)
CIE-LAB	lab(40.81, 54.49, 33.31)
CIE-LCH	lch(40.81, 63.86, 31.44°)
OKLab	oklab(51.08% 0.1578 0.0746)
OKLCH	oklch(51.08% 0.175 25.3)
XYZ	xyz(20.3960, 11.7442, 3.6750)
Luminance	0.1174 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52B2D #2BB5B3

analogous

#B52B72 #B52B2D #B56E2B

triadic

#B52B2D #2DB52B #2B2DB5

tetradic

#B52B2D #72B52B #2BB5B3 #6E2BB5

square

#B52B2D #72B52B #2BB5B3 #6E2BB5

split-complementary

#B52B2D #2BB56E #2B72B5

monochromatic

#521414 #841F21 #B52B2D #D4494B #E07B7C

Accessibility & contrast

On white

6.27

#B52B2D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#B52B2D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52B2D

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52B2D	#FFFFFF	#000000	##FFFFFF
##B52B2D	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D2B

Deuteranopia (green-blind)

#776B28

Tritanopia (blue-blind)

#C7002E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b52b2d;
/* rgb */ color: rgb(181, 43, 45);
/* oklch */ color: oklch(51.1% 0.175 25.3);

Tailwind

colors: {
  custom: {
    50: '#d47066',
    500: '#b52b2d',
    950: '#000000',
  },
}

SCSS

$custom: #b52b2d;
$custom-light: #d47066;
$custom-dark: #000000;

JSON

{
  "hex": "#b52b2d",
  "rgb": {
    "r": 181,
    "g": 43,
    "b": 45
  },
  "hsl": {
    "h": 359.13,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51077,
    "c": 0.17459,
    "h": 25.3
  },
  "luminance": 0.11741
}

Semantic roles & 50–950 ramp

primary

#B52B2D

secondary

#74C8C7

accent

#E5E243

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160806

muted

#847B7A

Preview Lab

Preview with #B52B2D

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

Preview Lab → · Contrast checker → · Palette generator →