#BB4728#BB4728

#BB4728 is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.1% C 0.157 H 35.7°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#BB4728
RGB	rgb(187, 71, 40)
HSL	hsl(13, 65%, 45%)
HSV	hsv(13, 79%, 73%)
CMYK	cmyk(0%, 62%, 78.6%, 26.7%)
CIE-LAB	lab(45.94, 45.17, 41.86)
CIE-LCH	lch(45.94, 61.58, 42.82°)
OKLab	oklab(55.11% 0.1271 0.0914)
OKLCH	oklch(55.11% 0.157 35.7)
XYZ	xyz(23.1323, 15.2277, 3.7282)
Luminance	0.1522 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB4728 #289CBB

analogous

#BB2853 #BB4728 #BB9128

triadic

#BB4728 #28BB47 #4728BB

tetradic

#BB4728 #53BB28 #289CBB #9128BB

square

#BB4728 #53BB28 #289CBB #9128BB

split-complementary

#BB4728 #28BB91 #2853BB

monochromatic

#562112 #89341D #BB4728 #D86748 #E3917B

Accessibility & contrast

On white

5.19

#BB4728 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#BB4728 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB4728

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB4728	#FFFFFF	#000000	##FFFFFF
##BB4728	1.00	5.19	4.04	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685D24

Deuteranopia (green-blind)

#847624

Tritanopia (blue-blind)

#CE2A41

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #bb4728;
/* rgb */ color: rgb(187, 71, 40);
/* oklch */ color: oklch(55.1% 0.157 35.7);

Tailwind

colors: {
  custom: {
    50: '#d87f64',
    500: '#bb4728',
    950: '#000000',
  },
}

SCSS

$custom: #bb4728;
$custom-light: #d87f64;
$custom-dark: #000000;

JSON

{
  "hex": "#bb4728",
  "rgb": {
    "r": 187,
    "g": 71,
    "b": 40
  },
  "hsl": {
    "h": 12.653,
    "s": 64.758,
    "l": 44.51
  },
  "oklch": {
    "l": 0.55113,
    "c": 0.15652,
    "h": 35.7
  },
  "luminance": 0.15224
}

Semantic roles & 50–950 ramp

primary

#BB4728

secondary

#74B8CB

accent

#C4E840

background

#FEF7F6

surface

#FCEEEB

border

#D5C9C6

text

#160A05

muted

#847C7A

Preview Lab

Preview with #BB4728

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

Preview Lab → · Contrast checker → · Palette generator →