#B13347#B13347

#B13347 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.6% C 0.162 H 16.0°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#B13347
RGB	rgb(177, 51, 71)
HSL	hsl(350, 55%, 45%)
HSV	hsv(350, 71%, 69%)
CMYK	cmyk(0%, 71.2%, 59.9%, 30.6%)
CIE-LAB	lab(41.49, 51.83, 18.12)
CIE-LCH	lch(41.49, 54.91, 19.27°)
OKLab	oklab(51.58% 0.1553 0.0445)
OKLCH	oklch(51.58% 0.162 16)
XYZ	xyz(20.4546, 12.1726, 7.2325)
Luminance	0.1217 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13347 #33B19D

analogous

#B13386 #B13347 #B15E33

triadic

#B13347 #47B133 #3347B1

tetradic

#B13347 #86B133 #33B19D #5E33B1

square

#B13347 #86B133 #33B19D #5E33B1

split-complementary

#B13347 #33B15E #3386B1

monochromatic

#521821 #812534 #B13347 #CE5467 #DB8391

Accessibility & contrast

On white

6.12

#B13347 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#B13347 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13347

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13347	#FFFFFF	#000000	##FFFFFF
##B13347	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545147

Deuteranopia (green-blind)

#746B44

Tritanopia (blue-blind)

#C2113B

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b13347;
/* rgb */ color: rgb(177, 51, 71);
/* oklch */ color: oklch(51.6% 0.162 16.0);

Tailwind

colors: {
  custom: {
    50: '#cf747a',
    500: '#b13347',
    950: '#000000',
  },
}

SCSS

$custom: #b13347;
$custom-light: #cf747a;
$custom-dark: #000000;

JSON

{
  "hex": "#b13347",
  "rgb": {
    "r": 177,
    "g": 51,
    "b": 71
  },
  "hsl": {
    "h": 350.476,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51583,
    "c": 0.16154,
    "h": 16
  },
  "luminance": 0.1217
}

Semantic roles & 50–950 ramp

primary

#B13347

secondary

#7BC5B9

accent

#DFC749

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150909

muted

#837B7B

Preview Lab

Preview with #B13347

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

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