#B5342B#B5342B

#B5342B is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.167 H 28.3°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#B5342B
RGB	rgb(181, 52, 43)
HSL	hsl(4, 62%, 44%)
HSV	hsv(4, 76%, 71%)
CMYK	cmyk(0%, 71.3%, 76.2%, 29%)
CIE-LAB	lab(41.93, 51.22, 35.70)
CIE-LCH	lch(41.93, 62.44, 34.88°)
OKLab	oklab(51.91% 0.1471 0.0793)
OKLCH	oklch(51.91% 0.167 28.3)
XYZ	xyz(20.7225, 12.4573, 3.5984)
Luminance	0.1245 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5342B #2BACB5

analogous

#B52B67 #B5342B #B5792B

triadic

#B5342B #2BB534 #342BB5

tetradic

#B5342B #67B52B #2BACB5 #792BB5

square

#B5342B #67B52B #2BACB5 #792BB5

split-complementary

#B5342B #2BB579 #2B67B5

monochromatic

#521814 #84261F #B5342B #D45249 #E0817B

Accessibility & contrast

On white

6.02

#B5342B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B5342B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5342B

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5342B	#FFFFFF	#000000	##FFFFFF
##B5342B	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)

#5A5129

Deuteranopia (green-blind)

#7A6D26

Tritanopia (blue-blind)

#C70033

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b5342b;
/* rgb */ color: rgb(181, 52, 43);
/* oklch */ color: oklch(51.9% 0.167 28.3);

Tailwind

colors: {
  custom: {
    50: '#d47465',
    500: '#b5342b',
    950: '#000000',
  },
}

SCSS

$custom: #b5342b;
$custom-light: #d47465;
$custom-dark: #000000;

JSON

{
  "hex": "#b5342b",
  "rgb": {
    "r": 181,
    "g": 52,
    "b": 43
  },
  "hsl": {
    "h": 3.913,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.5191,
    "c": 0.16712,
    "h": 28.3
  },
  "luminance": 0.12454
}

Semantic roles & 50–950 ramp

primary

#B5342B

secondary

#74C2C8

accent

#DAE543

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160905

muted

#847B7A

Preview Lab

Preview with #B5342B

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

Preview Lab → · Contrast checker → · Palette generator →