#B52A3A#B52A3A

#B52A3A is a mid, vivid red. Relative luminance 0.118; OKLCH L 51.2% C 0.174 H 20.1°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#B52A3A
RGB	rgb(181, 42, 58)
HSL	hsl(353, 62%, 44%)
HSV	hsv(353, 77%, 71%)
CMYK	cmyk(0%, 76.8%, 68%, 29%)
CIE-LAB	lab(40.88, 55.42, 25.55)
CIE-LCH	lch(40.88, 61.03, 24.75°)
OKLab	oklab(51.19% 0.1637 0.06)
OKLCH	oklch(51.19% 0.174 20.1)
XYZ	xyz(20.6500, 11.7883, 5.1902)
Luminance	0.1178 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B52A3A #2AB5A5

analogous

#B52A7F #B52A3A #B55F2A

triadic

#B52A3A #3AB52A #2A3AB5

tetradic

#B52A3A #7FB52A #2AB5A5 #5F2AB5

square

#B52A3A #7FB52A #2AB5A5 #5F2AB5

split-complementary

#B52A3A #2AB55F #2A7FB5

monochromatic

#52131A #831E2A #B52A3A #D44858 #E07985

Accessibility & contrast

On white

6.26

#B52A3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#B52A3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B52A3A

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B52A3A	#FFFFFF	#000000	##FFFFFF
##B52A3A	1.00	6.26	3.36	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534E39

Deuteranopia (green-blind)

#766B36

Tritanopia (blue-blind)

#C70031

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #b52a3a;
/* rgb */ color: rgb(181, 42, 58);
/* oklch */ color: oklch(51.2% 0.174 20.1);

Tailwind

colors: {
  custom: {
    50: '#d37070',
    500: '#b52a3a',
    950: '#000000',
  },
}

SCSS

$custom: #b52a3a;
$custom-light: #d37070;
$custom-dark: #000000;

JSON

{
  "hex": "#b52a3a",
  "rgb": {
    "r": 181,
    "g": 42,
    "b": 58
  },
  "hsl": {
    "h": 353.094,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.5119,
    "c": 0.1743,
    "h": 20.1
  },
  "luminance": 0.11785
}

Semantic roles & 50–950 ramp

primary

#B52A3A

secondary

#73C8BE

accent

#E5D342

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160807

muted

#847B7A

Preview Lab

Preview with #B52A3A

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

Preview Lab → · Contrast checker → · Palette generator →