#B13C3F#B13C3F

#B13C3F is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.4% C 0.152 H 22.6°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#B13C3F
RGB	rgb(177, 60, 63)
HSL	hsl(358, 49%, 46%)
HSV	hsv(358, 66%, 69%)
CMYK	cmyk(0%, 66.1%, 64.4%, 30.6%)
CIE-LAB	lab(42.67, 47.66, 24.58)
CIE-LCH	lch(42.67, 53.63, 27.28°)
OKLab	oklab(52.42% 0.1405 0.0586)
OKLCH	oklch(52.42% 0.152 22.6)
XYZ	xyz(20.6466, 12.9406, 6.1122)
Luminance	0.1294 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13C3F #3CB1AE

analogous

#B13C7A #B13C3F #B1743C

triadic

#B13C3F #3FB13C #3C3FB1

tetradic

#B13C3F #7AB13C #3CB1AE #743CB1

square

#B13C3F #7AB13C #3CB1AE #743CB1

split-complementary

#B13C3F #3CB174 #3C7AB1

monochromatic

#561D1E #832D2F #B13C3F #C96164 #D98F90

Accessibility & contrast

On white

5.85

#B13C3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#B13C3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13C3F

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13C3F	#FFFFFF	#000000	##FFFFFF
##B13C3F	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B553E

Deuteranopia (green-blind)

#786E3C

Tritanopia (blue-blind)

#C2213E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b13c3f;
/* rgb */ color: rgb(177, 60, 63);
/* oklch */ color: oklch(52.4% 0.152 22.6);

Tailwind

colors: {
  custom: {
    50: '#cf7874',
    500: '#b13c3f',
    950: '#000000',
  },
}

SCSS

$custom: #b13c3f;
$custom-light: #cf7874;
$custom-dark: #000000;

JSON

{
  "hex": "#b13c3f",
  "rgb": {
    "r": 177,
    "g": 60,
    "b": 63
  },
  "hsl": {
    "h": 358.462,
    "s": 49.367,
    "l": 46.471
  },
  "oklch": {
    "l": 0.52419,
    "c": 0.15224,
    "h": 22.6
  },
  "luminance": 0.12938
}

Semantic roles & 50–950 ramp

primary

#B13C3F

secondary

#85C4C2

accent

#D9D54F

background

#FDF7F7

surface

#FBEEED

border

#D4C9C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B13C3F

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

Preview Lab → · Contrast checker → · Palette generator →