#B1372C#B1372C

#B1372C is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.6% C 0.160 H 28.9°. Best body text is #FFFFFF at 6.08:1 contrast (WCAG AA passes).

Color values

HEX	#B1372C
RGB	rgb(177, 55, 44)
HSL	hsl(5, 60%, 43%)
HSV	hsv(5, 75%, 69%)
CMYK	cmyk(0%, 68.9%, 75.1%, 30.6%)
CIE-LAB	lab(41.63, 48.75, 34.59)
CIE-LCH	lch(41.63, 59.78, 35.36°)
OKLab	oklab(51.55% 0.14 0.0774)
OKLCH	oklch(51.55% 0.16 28.9)
XYZ	xyz(19.9545, 12.2643, 3.6989)
Luminance	0.1226 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B1372C #2CA6B1

analogous

#B12C64 #B1372C #B1792C

triadic

#B1372C #2CB137 #372CB1

tetradic

#B1372C #64B12C #2CA6B1 #792CB1

square

#B1372C #64B12C #2CA6B1 #792CB1

split-complementary

#B1372C #2CB179 #2C64B1

monochromatic

#4F1914 #802820 #B1372C #D25449 #DE827A

Accessibility & contrast

On white

6.08

#B1372C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#B1372C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B1372C

6.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B1372C	#FFFFFF	#000000	##FFFFFF
##B1372C	1.00	6.08	3.45	6.08
#FFFFFF	6.08	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A512A

Deuteranopia (green-blind)

#786C28

Tritanopia (blue-blind)

#C30F35

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #b1372c;
/* rgb */ color: rgb(177, 55, 44);
/* oklch */ color: oklch(51.6% 0.160 28.9);

Tailwind

colors: {
  custom: {
    50: '#d07566',
    500: '#b1372c',
    950: '#000000',
  },
}

SCSS

$custom: #b1372c;
$custom-light: #d07566;
$custom-dark: #000000;

JSON

{
  "hex": "#b1372c",
  "rgb": {
    "r": 177,
    "g": 55,
    "b": 44
  },
  "hsl": {
    "h": 4.962,
    "s": 60.181,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51552,
    "c": 0.16002,
    "h": 28.9
  },
  "luminance": 0.12261
}

Semantic roles & 50–950 ramp

primary

#B1372C

secondary

#73BFC6

accent

#D6E344

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #B1372C

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

Preview Lab → · Contrast checker → · Palette generator →