#B5343C#B5343C

#B5343C is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.2% C 0.165 H 21.7°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#B5343C
RGB	rgb(181, 52, 60)
HSL	hsl(356, 55%, 46%)
HSV	hsv(356, 71%, 71%)
CMYK	cmyk(0%, 71.3%, 66.9%, 29%)
CIE-LAB	lab(42.17, 52.03, 25.93)
CIE-LCH	lch(42.17, 58.14, 26.49°)
OKLab	oklab(52.16% 0.1533 0.0611)
OKLCH	oklch(52.16% 0.165 21.7)
XYZ	xyz(21.1019, 12.6091, 5.5967)
Luminance	0.1261 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5343C #34B5AD

analogous

#B5347C #B5343C #B56C34

triadic

#B5343C #3CB534 #343CB5

tetradic

#B5343C #7CB534 #34B5AD #6C34B5

square

#B5343C #7CB534 #34B5AD #6C34B5

split-complementary

#B5343C #34B56C #347CB5

monochromatic

#56191C #85262C #B5343C #CF575F #DC878C

Accessibility & contrast

On white

5.96

#B5343C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B5343C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5343C

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5343C	#FFFFFF	#000000	##FFFFFF
##B5343C	1.00	5.96	3.52	5.96
#FFFFFF	5.96	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58523B

Deuteranopia (green-blind)

#786E38

Tritanopia (blue-blind)

#C70838

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b5343c;
/* rgb */ color: rgb(181, 52, 60);
/* oklch */ color: oklch(52.2% 0.165 21.7);

Tailwind

colors: {
  custom: {
    50: '#d37471',
    500: '#b5343c',
    950: '#000000',
  },
}

SCSS

$custom: #b5343c;
$custom-light: #d37471;
$custom-dark: #000000;

JSON

{
  "hex": "#b5343c",
  "rgb": {
    "r": 181,
    "g": 52,
    "b": 60
  },
  "hsl": {
    "h": 356.279,
    "s": 55.365,
    "l": 45.686
  },
  "oklch": {
    "l": 0.5216,
    "c": 0.16502,
    "h": 21.7
  },
  "luminance": 0.12606
}

Semantic roles & 50–950 ramp

primary

#B5343C

secondary

#7FC6C2

accent

#DFD549

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B5343C

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

Preview Lab → · Contrast checker → · Palette generator →