#BB363A#BB363A

#BB363A is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.4% C 0.169 H 23.5°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#BB363A
RGB	rgb(187, 54, 58)
HSL	hsl(358, 55%, 47%)
HSV	hsv(358, 71%, 73%)
CMYK	cmyk(0%, 71.1%, 69%, 26.7%)
CIE-LAB	lab(43.52, 53.09, 29.05)
CIE-LCH	lch(43.52, 60.52, 28.69°)
OKLab	oklab(53.37% 0.1555 0.0675)
OKLCH	oklch(53.37% 0.169 23.5)
XYZ	xyz(22.5789, 13.5120, 5.4213)
Luminance	0.1351 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB363A #36BBB7

analogous

#BB367D #BB363A #BB7436

triadic

#BB363A #3ABB36 #363ABB

tetradic

#BB363A #7DBB36 #36BBB7 #7436BB

square

#BB363A #7DBB36 #36BBB7 #7436BB

split-complementary

#BB363A #36BB74 #367DBB

monochromatic

#5C1B1D #8C282B #BB363A #D05E61 #DE8D90

Accessibility & contrast

On white

5.67

#BB363A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#BB363A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB363A

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB363A	#FFFFFF	#000000	##FFFFFF
##BB363A	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)

#5C5539

Deuteranopia (green-blind)

#7D7136

Tritanopia (blue-blind)

#CD0539

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #bb363a;
/* rgb */ color: rgb(187, 54, 58);
/* oklch */ color: oklch(53.4% 0.169 23.5);

Tailwind

colors: {
  custom: {
    50: '#d77670',
    500: '#bb363a',
    950: '#000000',
  },
}

SCSS

$custom: #bb363a;
$custom-light: #d77670;
$custom-dark: #000000;

JSON

{
  "hex": "#bb363a",
  "rgb": {
    "r": 187,
    "g": 54,
    "b": 58
  },
  "hsl": {
    "h": 358.195,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.53366,
    "c": 0.16949,
    "h": 23.5
  },
  "luminance": 0.13509
}

Semantic roles & 50–950 ramp

primary

#BB363A

secondary

#84C9C7

accent

#DFDA49

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #BB363A

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

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