#BB363B#BB363B

#BB363B is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.4% C 0.169 H 23.1°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#BB363B
RGB	rgb(187, 54, 59)
HSL	hsl(358, 55%, 47%)
HSV	hsv(358, 71%, 73%)
CMYK	cmyk(0%, 71.1%, 68.4%, 26.7%)
CIE-LAB	lab(43.54, 53.14, 28.47)
CIE-LCH	lch(43.54, 60.29, 28.18°)
OKLab	oklab(53.38% 0.1558 0.0664)
OKLCH	oklch(53.38% 0.169 23.1)
XYZ	xyz(22.6045, 13.5222, 5.5566)
Luminance	0.1352 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB363B #36BBB6

analogous

#BB367E #BB363B #BB7336

triadic

#BB363B #3BBB36 #363BBB

tetradic

#BB363B #7EBB36 #36BBB6 #7336BB

square

#BB363B #7EBB36 #36BBB6 #7336BB

split-complementary

#BB363B #36BB73 #367EBB

monochromatic

#5C1B1D #8C282C #BB363B #D05E62 #DE8D90

Accessibility & contrast

On white

5.67

#BB363B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#BB363B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB363B

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB363B	#FFFFFF	#000000	##FFFFFF
##BB363B	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B553A

Deuteranopia (green-blind)

#7D7137

Tritanopia (blue-blind)

#CD0639

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bb363b;
/* rgb */ color: rgb(187, 54, 59);
/* oklch */ color: oklch(53.4% 0.169 23.1);

Tailwind

colors: {
  custom: {
    50: '#d77671',
    500: '#bb363b',
    950: '#000000',
  },
}

SCSS

$custom: #bb363b;
$custom-light: #d77671;
$custom-dark: #000000;

JSON

{
  "hex": "#bb363b",
  "rgb": {
    "r": 187,
    "g": 54,
    "b": 59
  },
  "hsl": {
    "h": 357.744,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53382,
    "c": 0.16939,
    "h": 23.1
  },
  "luminance": 0.13519
}

Semantic roles & 50–950 ramp

primary

#BB363B

secondary

#84C9C6

accent

#DFD949

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #BB363B

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

Preview Lab → · Contrast checker → · Palette generator →