#BB372F#BB372F

#BB372F is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.3% C 0.170 H 27.9°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#BB372F
RGB	rgb(187, 55, 47)
HSL	hsl(3, 60%, 46%)
HSV	hsv(3, 75%, 73%)
CMYK	cmyk(0%, 70.6%, 74.9%, 26.7%)
CIE-LAB	lab(43.52, 52.20, 35.48)
CIE-LCH	lch(43.52, 63.12, 34.21°)
OKLab	oklab(53.31% 0.1503 0.0794)
OKLCH	oklch(53.31% 0.17 27.9)
XYZ	xyz(22.3753, 13.5058, 4.1175)
Luminance	0.1350 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB372F #2FB3BB

analogous

#BB2F6D #BB372F #BB7D2F

triadic

#BB372F #2FBB37 #372FBB

tetradic

#BB372F #6DBB2F #2FB3BB #7D2FBB

square

#BB372F #6DBB2F #2FB3BB #7D2FBB

split-complementary

#BB372F #2FBB7D #2F6DBB

monochromatic

#591A16 #8A2923 #BB372F #D45B53 #E08A84

Accessibility & contrast

On white

5.68

#BB372F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#BB372F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB372F

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB372F	#FFFFFF	#000000	##FFFFFF
##BB372F	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D552D

Deuteranopia (green-blind)

#7E712A

Tritanopia (blue-blind)

#CE0336

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bb372f;
/* rgb */ color: rgb(187, 55, 47);
/* oklch */ color: oklch(53.3% 0.170 27.9);

Tailwind

colors: {
  custom: {
    50: '#d87668',
    500: '#bb372f',
    950: '#000000',
  },
}

SCSS

$custom: #bb372f;
$custom-light: #d87668;
$custom-dark: #000000;

JSON

{
  "hex": "#bb372f",
  "rgb": {
    "r": 187,
    "g": 55,
    "b": 47
  },
  "hsl": {
    "h": 3.429,
    "s": 59.829,
    "l": 45.882
  },
  "oklch": {
    "l": 0.53312,
    "c": 0.17001,
    "h": 27.9
  },
  "luminance": 0.13502
}

Semantic roles & 50–950 ramp

primary

#BB372F

secondary

#7CC5C9

accent

#DAE345

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #BB372F

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

Preview Lab → · Contrast checker → · Palette generator →