#BB4536#BB4536

#BB4536 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.0% C 0.155 H 30.0°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#BB4536
RGB	rgb(187, 69, 54)
HSL	hsl(7, 55%, 47%)
HSV	hsv(7, 71%, 73%)
CMYK	cmyk(0%, 63.1%, 71.1%, 26.7%)
CIE-LAB	lab(45.76, 46.68, 34.03)
CIE-LCH	lch(45.76, 57.77, 36.09°)
OKLab	oklab(55.02% 0.1344 0.0778)
OKLCH	oklch(55.02% 0.155 30)
XYZ	xyz(23.2899, 15.0906, 5.1757)
Luminance	0.1509 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB4536 #36ACBB

analogous

#BB3669 #BB4536 #BB8836

triadic

#BB4536 #36BB45 #4536BB

tetradic

#BB4536 #69BB36 #36ACBB #8836BB

square

#BB4536 #69BB36 #36ACBB #8836BB

split-complementary

#BB4536 #36BB88 #3669BB

monochromatic

#5C221B #8C3328 #BB4536 #D06B5E #DE968D

Accessibility & contrast

On white

5.23

#BB4536 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#BB4536 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB4536

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB4536	#FFFFFF	#000000	##FFFFFF
##BB4536	1.00	5.23	4.02	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C34

Deuteranopia (green-blind)

#837632

Tritanopia (blue-blind)

#CD2942

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #bb4536;
/* rgb */ color: rgb(187, 69, 54);
/* oklch */ color: oklch(55.0% 0.155 30.0);

Tailwind

colors: {
  custom: {
    50: '#d77e6e',
    500: '#bb4536',
    950: '#000000',
  },
}

SCSS

$custom: #bb4536;
$custom-light: #d77e6e;
$custom-dark: #000000;

JSON

{
  "hex": "#bb4536",
  "rgb": {
    "r": 187,
    "g": 69,
    "b": 54
  },
  "hsl": {
    "h": 6.767,
    "s": 55.187,
    "l": 47.255
  },
  "oklch": {
    "l": 0.55022,
    "c": 0.15532,
    "h": 30
  },
  "luminance": 0.15087
}

Semantic roles & 50–950 ramp

primary

#BB4536

secondary

#84C1C9

accent

#CEDF49

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A07

muted

#847C7A

Preview Lab

Preview with #BB4536

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

Preview Lab → · Contrast checker → · Palette generator →