#B13343#B13343

#B13343 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.5% C 0.162 H 17.9°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#B13343
RGB	rgb(177, 51, 67)
HSL	hsl(352, 55%, 45%)
HSV	hsv(352, 71%, 69%)
CMYK	cmyk(0%, 71.2%, 62.1%, 30.6%)
CIE-LAB	lab(41.41, 51.56, 20.51)
CIE-LCH	lch(41.41, 55.49, 21.69°)
OKLab	oklab(51.5% 0.1537 0.0497)
OKLCH	oklch(51.5% 0.162 17.9)
XYZ	xyz(20.3305, 12.1229, 6.5785)
Luminance	0.1212 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13343 #33B1A1

analogous

#B13382 #B13343 #B16233

triadic

#B13343 #43B133 #3343B1

tetradic

#B13343 #82B133 #33B1A1 #6233B1

square

#B13343 #82B133 #33B1A1 #6233B1

split-complementary

#B13343 #33B162 #3382B1

monochromatic

#52181F #812531 #B13343 #CE5463 #DB838E

Accessibility & contrast

On white

6.13

#B13343 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#B13343 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13343

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13343	#FFFFFF	#000000	##FFFFFF
##B13343	1.00	6.13	3.42	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555143

Deuteranopia (green-blind)

#756B40

Tritanopia (blue-blind)

#C20F3A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b13343;
/* rgb */ color: rgb(177, 51, 67);
/* oklch */ color: oklch(51.5% 0.162 17.9);

Tailwind

colors: {
  custom: {
    50: '#cf7477',
    500: '#b13343',
    950: '#000000',
  },
}

SCSS

$custom: #b13343;
$custom-light: #cf7477;
$custom-dark: #000000;

JSON

{
  "hex": "#b13343",
  "rgb": {
    "r": 177,
    "g": 51,
    "b": 67
  },
  "hsl": {
    "h": 352.381,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51499,
    "c": 0.16153,
    "h": 17.9
  },
  "luminance": 0.1212
}

Semantic roles & 50–950 ramp

primary

#B13343

secondary

#7BC5BB

accent

#DFCC49

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B13343

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

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