#BB3136#BB3136

#BB3136 is a mid, vivid red. Relative luminance 0.130; OKLCH L 52.8% C 0.174 H 23.7°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#BB3136
RGB	rgb(187, 49, 54)
HSL	hsl(358, 58%, 46%)
HSV	hsv(358, 74%, 73%)
CMYK	cmyk(0%, 73.8%, 71.1%, 26.7%)
CIE-LAB	lab(42.81, 54.71, 30.59)
CIE-LCH	lch(42.81, 62.68, 29.21°)
OKLab	oklab(52.82% 0.1597 0.0702)
OKLCH	oklch(52.82% 0.174 23.7)
XYZ	xyz(22.2602, 13.0311, 4.8325)
Luminance	0.1303 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3136 #31BBB6

analogous

#BB317B #BB3136 #BB7131

triadic

#BB3136 #36BB31 #3136BB

tetradic

#BB3136 #7BBB31 #31BBB6 #7131BB

square

#BB3136 #7BBB31 #31BBB6 #7131BB

split-complementary

#BB3136 #31BB71 #317BBB

monochromatic

#5A181A #8B2428 #BB3136 #D3565B #E0878A

Accessibility & contrast

On white

5.82

#BB3136 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#BB3136 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3136

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3136	#FFFFFF	#000000	##FFFFFF
##BB3136	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595235

Deuteranopia (green-blind)

#7C7031

Tritanopia (blue-blind)

#CE0034

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #bb3136;
/* rgb */ color: rgb(187, 49, 54);
/* oklch */ color: oklch(52.8% 0.174 23.7);

Tailwind

colors: {
  custom: {
    50: '#d8746d',
    500: '#bb3136',
    950: '#000000',
  },
}

SCSS

$custom: #bb3136;
$custom-light: #d8746d;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3136",
  "rgb": {
    "r": 187,
    "g": 49,
    "b": 54
  },
  "hsl": {
    "h": 357.826,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52815,
    "c": 0.17448,
    "h": 23.7
  },
  "luminance": 0.13028
}

Semantic roles & 50–950 ramp

primary

#BB3136

secondary

#7FC9C6

accent

#E2DC46

background

#FEF7F6

surface

#FDEDEB

border

#D5C8C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #BB3136

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

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