#B5343F#B5343F

#B5343F is a mid, vivid red. Relative luminance 0.126; OKLCH L 52.2% C 0.165 H 20.4°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#B5343F
RGB	rgb(181, 52, 63)
HSL	hsl(355, 55%, 46%)
HSV	hsv(355, 71%, 71%)
CMYK	cmyk(0%, 71.3%, 65.2%, 29%)
CIE-LAB	lab(42.22, 52.21, 24.16)
CIE-LCH	lch(42.22, 57.53, 24.83°)
OKLab	oklab(52.21% 0.1545 0.0575)
OKLCH	oklch(52.21% 0.165 20.4)
XYZ	xyz(21.1835, 12.6417, 6.0263)
Luminance	0.1264 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B5343F #34B5AA

analogous

#B5347F #B5343F #B56934

triadic

#B5343F #3FB534 #343FB5

tetradic

#B5343F #7FB534 #34B5AA #6934B5

square

#B5343F #7FB534 #34B5AA #6934B5

split-complementary

#B5343F #34B569 #347FB5

monochromatic

#56191E #85262E #B5343F #CF5762 #DC878E

Accessibility & contrast

On white

5.95

#B5343F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#B5343F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B5343F

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B5343F	#FFFFFF	#000000	##FFFFFF
##B5343F	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57523E

Deuteranopia (green-blind)

#786E3B

Tritanopia (blue-blind)

#C70A39

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b5343f;
/* rgb */ color: rgb(181, 52, 63);
/* oklch */ color: oklch(52.2% 0.165 20.4);

Tailwind

colors: {
  custom: {
    50: '#d27574',
    500: '#b5343f',
    950: '#000000',
  },
}

SCSS

$custom: #b5343f;
$custom-light: #d27574;
$custom-dark: #000000;

JSON

{
  "hex": "#b5343f",
  "rgb": {
    "r": 181,
    "g": 52,
    "b": 63
  },
  "hsl": {
    "h": 354.884,
    "s": 55.365,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52214,
    "c": 0.16481,
    "h": 20.4
  },
  "luminance": 0.12639
}

Semantic roles & 50–950 ramp

primary

#B5343F

secondary

#7FC6C0

accent

#DFD249

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B5343F

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

Preview Lab → · Contrast checker → · Palette generator →