#B13742#B13742

#B13742 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.157 H 19.5°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#B13742
RGB	rgb(177, 55, 66)
HSL	hsl(355, 53%, 45%)
HSV	hsv(355, 69%, 69%)
CMYK	cmyk(0%, 68.9%, 62.7%, 30.6%)
CIE-LAB	lab(41.96, 49.93, 21.84)
CIE-LCH	lch(41.96, 54.50, 23.62°)
OKLab	oklab(51.91% 0.1483 0.0526)
OKLCH	oklch(51.91% 0.157 19.5)
XYZ	xyz(20.4831, 12.4757, 6.4827)
Luminance	0.1247 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13742 #37B1A6

analogous

#B1377F #B13742 #B16937

triadic

#B13742 #42B137 #3742B1

tetradic

#B13742 #7FB137 #37B1A6 #6937B1

square

#B13742 #7FB137 #37B1A6 #6937B1

split-complementary

#B13742 #37B169 #377FB1

monochromatic

#541A1F #822831 #B13742 #CC5A64 #DA8890

Accessibility & contrast

On white

6.01

#B13742 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B13742 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13742

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13742	#FFFFFF	#000000	##FFFFFF
##B13742	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575342

Deuteranopia (green-blind)

#766C3F

Tritanopia (blue-blind)

#C2183C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b13742;
/* rgb */ color: rgb(177, 55, 66);
/* oklch */ color: oklch(51.9% 0.157 19.5);

Tailwind

colors: {
  custom: {
    50: '#cf7676',
    500: '#b13742',
    950: '#000000',
  },
}

SCSS

$custom: #b13742;
$custom-light: #cf7676;
$custom-dark: #000000;

JSON

{
  "hex": "#b13742",
  "rgb": {
    "r": 177,
    "g": 55,
    "b": 66
  },
  "hsl": {
    "h": 354.59,
    "s": 52.586,
    "l": 45.49
  },
  "oklch": {
    "l": 0.51905,
    "c": 0.15737,
    "h": 19.5
  },
  "luminance": 0.12473
}

Semantic roles & 50–950 ramp

primary

#B13742

secondary

#80C4BE

accent

#DCCF4C

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B13742

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

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