#B5343D#B5343D

#B5343D is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.2% C 0.165 H 21.3°. Best body text is #FFFFFF at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#B5343D
RGB	rgb(181, 52, 61)
HSL	hsl(356, 55%, 46%)
HSV	hsv(356, 71%, 71%)
CMYK	cmyk(0%, 71.3%, 66.3%, 29%)
CIE-LAB	lab(42.18, 52.09, 25.34)
CIE-LCH	lch(42.18, 57.93, 25.94°)
OKLab	oklab(52.18% 0.1537 0.0599)
OKLCH	oklch(52.18% 0.165 21.3)
XYZ	xyz(21.1286, 12.6197, 5.7373)
Luminance	0.1262 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5343D #34B5AC

analogous

#B5347D #B5343D #B56B34

triadic

#B5343D #3DB534 #343DB5

tetradic

#B5343D #7DB534 #34B5AC #6B34B5

square

#B5343D #7DB534 #34B5AC #6B34B5

split-complementary

#B5343D #34B56B #347DB5

monochromatic

#56191D #85262D #B5343D #CF5760 #DC878D

Accessibility & contrast

On white

5.96

#B5343D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B5343D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5343D

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5343D	#FFFFFF	#000000	##FFFFFF
##B5343D	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)

#58523C

Deuteranopia (green-blind)

#786E39

Tritanopia (blue-blind)

#C70938

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b5343d;
/* rgb */ color: rgb(181, 52, 61);
/* oklch */ color: oklch(52.2% 0.165 21.3);

Tailwind

colors: {
  custom: {
    50: '#d37472',
    500: '#b5343d',
    950: '#000000',
  },
}

SCSS

$custom: #b5343d;
$custom-light: #d37472;
$custom-dark: #000000;

JSON

{
  "hex": "#b5343d",
  "rgb": {
    "r": 181,
    "g": 52,
    "b": 61
  },
  "hsl": {
    "h": 355.814,
    "s": 55.365,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52178,
    "c": 0.16494,
    "h": 21.3
  },
  "luminance": 0.12617
}

Semantic roles & 50–950 ramp

primary

#B5343D

secondary

#7FC6C1

accent

#DFD449

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #B5343D

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

Preview Lab → · Contrast checker → · Palette generator →