#B13B4C#B13B4C

#B13B4C is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.6% C 0.153 H 15.7°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#B13B4C
RGB	rgb(177, 59, 76)
HSL	hsl(351, 50%, 46%)
HSV	hsv(351, 67%, 69%)
CMYK	cmyk(0%, 66.7%, 57.1%, 30.6%)
CIE-LAB	lab(42.76, 48.99, 16.72)
CIE-LCH	lch(42.76, 51.77, 18.84°)
OKLab	oklab(52.57% 0.1471 0.0415)
OKLCH	oklch(52.57% 0.153 15.7)
XYZ	xyz(21.0019, 12.9997, 8.2393)
Luminance	0.1300 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B13B4C #3BB1A0

analogous

#B13B87 #B13B4C #B1653B

triadic

#B13B4C #4CB13B #3B4CB1

tetradic

#B13B4C #87B13B #3BB1A0 #653BB1

square

#B13B4C #87B13B #3BB1A0 #653BB1

split-complementary

#B13B4C #3BB165 #3B87B1

monochromatic

#551C25 #832C38 #B13B4C #CA5F6F #D98D98

Accessibility & contrast

On white

5.83

#B13B4C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#B13B4C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B13B4C

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B13B4C	#FFFFFF	#000000	##FFFFFF
##B13B4C	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58554C

Deuteranopia (green-blind)

#766E49

Tritanopia (blue-blind)

#C12342

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #b13b4c;
/* rgb */ color: rgb(177, 59, 76);
/* oklch */ color: oklch(52.6% 0.153 15.7);

Tailwind

colors: {
  custom: {
    50: '#ce787d',
    500: '#b13b4c',
    950: '#000000',
  },
}

SCSS

$custom: #b13b4c;
$custom-light: #ce787d;
$custom-dark: #000000;

JSON

{
  "hex": "#b13b4c",
  "rgb": {
    "r": 177,
    "g": 59,
    "b": 76
  },
  "hsl": {
    "h": 351.356,
    "s": 50,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52566,
    "c": 0.15279,
    "h": 15.7
  },
  "luminance": 0.12997
}

Semantic roles & 50–950 ramp

primary

#B13B4C

secondary

#84C4BB

accent

#DAC54E

background

#FDF7F7

surface

#FAEEEE

border

#D3C9C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B13B4C

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

Preview Lab → · Contrast checker → · Palette generator →