#BB3139#BB3139

#BB3139 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.9% C 0.174 H 22.6°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#BB3139
RGB	rgb(187, 49, 57)
HSL	hsl(357, 58%, 46%)
HSV	hsv(357, 74%, 73%)
CMYK	cmyk(0%, 73.8%, 69.5%, 26.7%)
CIE-LAB	lab(42.85, 54.86, 28.84)
CIE-LCH	lch(42.85, 61.97, 27.73°)
OKLab	oklab(52.86% 0.1609 0.0669)
OKLCH	oklch(52.86% 0.174 22.6)
XYZ	xyz(22.3328, 13.0602, 5.2150)
Luminance	0.1306 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3139 #31BBB3

analogous

#BB317E #BB3139 #BB6E31

triadic

#BB3139 #39BB31 #3139BB

tetradic

#BB3139 #7EBB31 #31BBB3 #6E31BB

square

#BB3139 #7EBB31 #31BBB3 #6E31BB

split-complementary

#BB3139 #31BB6E #317EBB

monochromatic

#5A181B #8B242A #BB3139 #D3565E #E0878C

Accessibility & contrast

On white

5.81

#BB3139 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#BB3139 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3139

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3139	#FFFFFF	#000000	##FFFFFF
##BB3139	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595238

Deuteranopia (green-blind)

#7B7035

Tritanopia (blue-blind)

#CE0035

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #bb3139;
/* rgb */ color: rgb(187, 49, 57);
/* oklch */ color: oklch(52.9% 0.174 22.6);

Tailwind

colors: {
  custom: {
    50: '#d8746f',
    500: '#bb3139',
    950: '#000000',
  },
}

SCSS

$custom: #bb3139;
$custom-light: #d8746f;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3139",
  "rgb": {
    "r": 187,
    "g": 49,
    "b": 57
  },
  "hsl": {
    "h": 356.522,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52861,
    "c": 0.1742,
    "h": 22.6
  },
  "luminance": 0.13057
}

Semantic roles & 50–950 ramp

primary

#BB3139

secondary

#7FC9C5

accent

#E2D946

background

#FEF7F6

surface

#FCEDEC

border

#D5C8C7

text

#160907

muted

#847B7A

Preview Lab

Preview with #BB3139

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

Preview Lab → · Contrast checker → · Palette generator →