#BB3E37#BB3E37

#BB3E37 is a mid, vivid red. Relative luminance 0.143; OKLCH L 54.2% C 0.162 H 27.1°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#BB3E37
RGB	rgb(187, 62, 55)
HSL	hsl(3, 55%, 47%)
HSV	hsv(3, 71%, 73%)
CMYK	cmyk(0%, 66.8%, 70.6%, 26.7%)
CIE-LAB	lab(44.64, 49.76, 32.16)
CIE-LCH	lch(44.64, 59.25, 32.87°)
OKLab	oklab(54.19% 0.1443 0.0739)
OKLCH	oklch(54.19% 0.162 27.1)
XYZ	xyz(22.9082, 14.2892, 5.1655)
Luminance	0.1429 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3E37 #37B4BB

analogous

#BB3772 #BB3E37 #BB8037

triadic

#BB3E37 #37BB3E #3E37BB

tetradic

#BB3E37 #72BB37 #37B4BB #8037BB

square

#BB3E37 #72BB37 #37B4BB #8037BB

split-complementary

#BB3E37 #37BB80 #3772BB

monochromatic

#5C1F1B #8C2E29 #BB3E37 #D0655F #DE938E

Accessibility & contrast

On white

5.44

#BB3E37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#BB3E37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3E37

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3E37	#FFFFFF	#000000	##FFFFFF
##BB3E37	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615835

Deuteranopia (green-blind)

#807433

Tritanopia (blue-blind)

#CD1C3D

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #bb3e37;
/* rgb */ color: rgb(187, 62, 55);
/* oklch */ color: oklch(54.2% 0.162 27.1);

Tailwind

colors: {
  custom: {
    50: '#d77a6e',
    500: '#bb3e37',
    950: '#000000',
  },
}

SCSS

$custom: #bb3e37;
$custom-light: #d77a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3e37",
  "rgb": {
    "r": 187,
    "g": 62,
    "b": 55
  },
  "hsl": {
    "h": 3.182,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.5419,
    "c": 0.16211,
    "h": 27.1
  },
  "luminance": 0.14286
}

Semantic roles & 50–950 ramp

primary

#BB3E37

secondary

#85C5C9

accent

#D6DE4A

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #BB3E37

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

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