#BB3936#BB3936

#BB3936 is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.6% C 0.167 H 25.9°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#BB3936
RGB	rgb(187, 57, 54)
HSL	hsl(1, 55%, 47%)
HSV	hsv(1, 71%, 73%)
CMYK	cmyk(0%, 69.5%, 71.1%, 26.7%)
CIE-LAB	lab(43.89, 51.74, 31.85)
CIE-LCH	lch(43.89, 60.76, 31.62°)
OKLab	oklab(53.62% 0.1503 0.073)
OKLCH	oklch(53.62% 0.167 25.9)
XYZ	xyz(22.6250, 13.7607, 4.9541)
Luminance	0.1376 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3936 #36B8BB

analogous

#BB3676 #BB3936 #BB7B36

triadic

#BB3936 #36BB39 #3936BB

tetradic

#BB3936 #76BB36 #36B8BB #7B36BB

square

#BB3936 #76BB36 #36B8BB #7B36BB

split-complementary

#BB3936 #36BB7B #3676BB

monochromatic

#5C1C1B #8C2B28 #BB3936 #D0605E #DE8F8D

Accessibility & contrast

On white

5.60

#BB3936 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#BB3936 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3936

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3936	#FFFFFF	#000000	##FFFFFF
##BB3936	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E5634

Deuteranopia (green-blind)

#7E7232

Tritanopia (blue-blind)

#CE0E3A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3936;
/* rgb */ color: rgb(187, 57, 54);
/* oklch */ color: oklch(53.6% 0.167 25.9);

Tailwind

colors: {
  custom: {
    50: '#d7786d',
    500: '#bb3936',
    950: '#000000',
  },
}

SCSS

$custom: #bb3936;
$custom-light: #d7786d;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3936",
  "rgb": {
    "r": 187,
    "g": 57,
    "b": 54
  },
  "hsl": {
    "h": 1.353,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53619,
    "c": 0.16712,
    "h": 25.9
  },
  "luminance": 0.13757
}

Semantic roles & 50–950 ramp

primary

#BB3936

secondary

#84C7C9

accent

#DBDF49

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160907

muted

#847B7A

Preview Lab

Preview with #BB3936

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

Preview Lab → · Contrast checker → · Palette generator →