#BB3836#BB3836

#BB3836 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.5% C 0.168 H 25.6°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#BB3836
RGB	rgb(187, 56, 54)
HSL	hsl(1, 55%, 47%)
HSV	hsv(1, 71%, 73%)
CMYK	cmyk(0%, 70.1%, 71.1%, 26.7%)
CIE-LAB	lab(43.75, 52.13, 31.69)
CIE-LCH	lch(43.75, 61.00, 31.30°)
OKLab	oklab(53.51% 0.1516 0.0727)
OKLCH	oklch(53.51% 0.168 25.6)
XYZ	xyz(22.5760, 13.6628, 4.9377)
Luminance	0.1366 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3836 #36B9BB

analogous

#BB3677 #BB3836 #BB7A36

triadic

#BB3836 #36BB38 #3836BB

tetradic

#BB3836 #77BB36 #36B9BB #7A36BB

square

#BB3836 #77BB36 #36B9BB #7A36BB

split-complementary

#BB3836 #36BB7A #3677BB

monochromatic

#5C1C1B #8C2A28 #BB3836 #D05F5E #DE8E8D

Accessibility & contrast

On white

5.63

#BB3836 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#BB3836 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3836

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3836	#FFFFFF	#000000	##FFFFFF
##BB3836	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5535

Deuteranopia (green-blind)

#7E7232

Tritanopia (blue-blind)

#CE0B39

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bb3836;
/* rgb */ color: rgb(187, 56, 54);
/* oklch */ color: oklch(53.5% 0.168 25.6);

Tailwind

colors: {
  custom: {
    50: '#d7776d',
    500: '#bb3836',
    950: '#000000',
  },
}

SCSS

$custom: #bb3836;
$custom-light: #d7776d;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3836",
  "rgb": {
    "r": 187,
    "g": 56,
    "b": 54
  },
  "hsl": {
    "h": 0.902,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53512,
    "c": 0.16807,
    "h": 25.6
  },
  "luminance": 0.13659
}

Semantic roles & 50–950 ramp

primary

#BB3836

secondary

#84C8C9

accent

#DCDF49

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #BB3836

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

Preview Lab → · Contrast checker → · Palette generator →