#BB3339#BB3339

#BB3339 is a mid, vivid red. Relative luminance 0.132; OKLCH L 53.1% C 0.172 H 23.1°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#BB3339
RGB	rgb(187, 51, 57)
HSL	hsl(357, 57%, 47%)
HSV	hsv(357, 73%, 73%)
CMYK	cmyk(0%, 72.7%, 69.5%, 26.7%)
CIE-LAB	lab(43.11, 54.15, 29.15)
CIE-LCH	lch(43.11, 61.49, 28.30°)
OKLab	oklab(53.05% 0.1586 0.0676)
OKLCH	oklch(53.05% 0.172 23.1)
XYZ	xyz(22.4183, 13.2312, 5.2435)
Luminance	0.1323 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3339 #33BBB5

analogous

#BB337D #BB3339 #BB7133

triadic

#BB3339 #39BB33 #3339BB

tetradic

#BB3339 #7DBB33 #33BBB5 #7133BB

square

#BB3339 #7DBB33 #33BBB5 #7133BB

split-complementary

#BB3339 #33BB71 #337DBB

monochromatic

#5B191C #8B262A #BB3339 #D2595F #DF898D

Accessibility & contrast

On white

5.76

#BB3339 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#BB3339 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3339

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3339	#FFFFFF	#000000	##FFFFFF
##BB3339	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5338

Deuteranopia (green-blind)

#7C7035

Tritanopia (blue-blind)

#CE0037

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #bb3339;
/* rgb */ color: rgb(187, 51, 57);
/* oklch */ color: oklch(53.1% 0.172 23.1);

Tailwind

colors: {
  custom: {
    50: '#d7756f',
    500: '#bb3339',
    950: '#000000',
  },
}

SCSS

$custom: #bb3339;
$custom-light: #d7756f;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3339",
  "rgb": {
    "r": 187,
    "g": 51,
    "b": 57
  },
  "hsl": {
    "h": 357.353,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53052,
    "c": 0.17239,
    "h": 23.1
  },
  "luminance": 0.13228
}

Semantic roles & 50–950 ramp

primary

#BB3339

secondary

#81C9C6

accent

#E0DA47

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #BB3339

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

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