#B1373C#B1373C

#B1373C is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.158 H 22.4°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#B1373C
RGB	rgb(177, 55, 60)
HSL	hsl(358, 53%, 45%)
HSV	hsv(358, 69%, 69%)
CMYK	cmyk(0%, 68.9%, 66.1%, 30.6%)
CIE-LAB	lab(41.86, 49.56, 25.38)
CIE-LCH	lch(41.86, 55.68, 27.12°)
OKLab	oklab(51.79% 0.1459 0.06)
OKLCH	oklch(51.79% 0.158 22.4)
XYZ	xyz(20.3154, 12.4086, 5.5995)
Luminance	0.1241 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1373C #37B1AC

analogous

#B13779 #B1373C #B16F37

triadic

#B1373C #3CB137 #373CB1

tetradic

#B1373C #79B137 #37B1AC #6F37B1

square

#B1373C #79B137 #37B1AC #6F37B1

split-complementary

#B1373C #37B16F #3779B1

monochromatic

#541A1C #82282C #B1373C #CC5A5E #DA888C

Accessibility & contrast

On white

6.03

#B1373C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B1373C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1373C

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1373C	#FFFFFF	#000000	##FFFFFF
##B1373C	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58523B

Deuteranopia (green-blind)

#776C38

Tritanopia (blue-blind)

#C2153A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b1373c;
/* rgb */ color: rgb(177, 55, 60);
/* oklch */ color: oklch(51.8% 0.158 22.4);

Tailwind

colors: {
  custom: {
    50: '#cf7571',
    500: '#b1373c',
    950: '#000000',
  },
}

SCSS

$custom: #b1373c;
$custom-light: #cf7571;
$custom-dark: #000000;

JSON

{
  "hex": "#b1373c",
  "rgb": {
    "r": 177,
    "g": 55,
    "b": 60
  },
  "hsl": {
    "h": 357.541,
    "s": 52.586,
    "l": 45.49
  },
  "oklch": {
    "l": 0.51793,
    "c": 0.1578,
    "h": 22.4
  },
  "luminance": 0.12406
}

Semantic roles & 50–950 ramp

primary

#B1373C

secondary

#80C4C1

accent

#DCD64C

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B1373C

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

Preview Lab → · Contrast checker → · Palette generator →