#B53C2A#B53C2A

#B53C2A is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.8% C 0.160 H 31.3°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#B53C2A
RGB	rgb(181, 60, 42)
HSL	hsl(8, 62%, 44%)
HSV	hsv(8, 77%, 71%)
CMYK	cmyk(0%, 66.9%, 76.8%, 29%)
CIE-LAB	lab(43.10, 47.97, 37.52)
CIE-LCH	lch(43.10, 60.90, 38.03°)
OKLab	oklab(52.78% 0.1367 0.083)
OKLCH	oklch(52.78% 0.16 31.3)
XYZ	xyz(21.0922, 13.2257, 3.6322)
Luminance	0.1322 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B53C2A #2AA3B5

analogous

#B52A5D #B53C2A #B5812A

triadic

#B53C2A #2AB53C #3C2AB5

tetradic

#B53C2A #5DB52A #2AA3B5 #812AB5

square

#B53C2A #5DB52A #2AA3B5 #812AB5

split-complementary

#B53C2A #2AB581 #2A5DB5

monochromatic

#521B13 #832C1E #B53C2A #D45A48 #E08779

Accessibility & contrast

On white

5.76

#B53C2A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#B53C2A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B53C2A

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B53C2A	#FFFFFF	#000000	##FFFFFF
##B53C2A	1.00	5.76	3.64	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5527

Deuteranopia (green-blind)

#7D7025

Tritanopia (blue-blind)

#C71839

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b53c2a;
/* rgb */ color: rgb(181, 60, 42);
/* oklch */ color: oklch(52.8% 0.160 31.3);

Tailwind

colors: {
  custom: {
    50: '#d37865',
    500: '#b53c2a',
    950: '#000000',
  },
}

SCSS

$custom: #b53c2a;
$custom-light: #d37865;
$custom-dark: #000000;

JSON

{
  "hex": "#b53c2a",
  "rgb": {
    "r": 181,
    "g": 60,
    "b": 42
  },
  "hsl": {
    "h": 7.77,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.52781,
    "c": 0.15994,
    "h": 31.3
  },
  "luminance": 0.13223
}

Semantic roles & 50–950 ramp

primary

#B53C2A

secondary

#73BDC8

accent

#D0E542

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B53C2A

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

Preview Lab → · Contrast checker → · Palette generator →