#B5342A#B5342A

#B5342A is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.9% C 0.167 H 28.7°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#B5342A
RGB	rgb(181, 52, 42)
HSL	hsl(4, 62%, 44%)
HSV	hsv(4, 77%, 71%)
CMYK	cmyk(0%, 71.3%, 76.8%, 29%)
CIE-LAB	lab(41.92, 51.18, 36.26)
CIE-LCH	lch(41.92, 62.72, 35.32°)
OKLab	oklab(51.9% 0.1468 0.0803)
OKLCH	oklch(51.9% 0.167 28.7)
XYZ	xyz(20.7043, 12.4501, 3.5030)
Luminance	0.1245 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5342A #2AABB5

analogous

#B52A65 #B5342A #B5792A

triadic

#B5342A #2AB534 #342AB5

tetradic

#B5342A #65B52A #2AABB5 #792AB5

square

#B5342A #65B52A #2AABB5 #792AB5

split-complementary

#B5342A #2AB579 #2A65B5

monochromatic

#521713 #83261E #B5342A #D45248 #E08179

Accessibility & contrast

On white

6.02

#B5342A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B5342A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5342A

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5342A	#FFFFFF	#000000	##FFFFFF
##B5342A	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5128

Deuteranopia (green-blind)

#7A6D25

Tritanopia (blue-blind)

#C70033

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b5342a;
/* rgb */ color: rgb(181, 52, 42);
/* oklch */ color: oklch(51.9% 0.167 28.7);

Tailwind

colors: {
  custom: {
    50: '#d47464',
    500: '#b5342a',
    950: '#000000',
  },
}

SCSS

$custom: #b5342a;
$custom-light: #d47464;
$custom-dark: #000000;

JSON

{
  "hex": "#b5342a",
  "rgb": {
    "r": 181,
    "g": 52,
    "b": 42
  },
  "hsl": {
    "h": 4.317,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.51898,
    "c": 0.16728,
    "h": 28.7
  },
  "luminance": 0.12447
}

Semantic roles & 50–950 ramp

primary

#B5342A

secondary

#73C2C8

accent

#DAE542

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B5342A

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

Preview Lab → · Contrast checker → · Palette generator →