#BB4731#BB4731

#BB4731 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.2% C 0.154 H 32.7°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#BB4731
RGB	rgb(187, 71, 49)
HSL	hsl(10, 58%, 46%)
HSV	hsv(10, 74%, 73%)
CMYK	cmyk(0%, 62%, 73.8%, 26.7%)
CIE-LAB	lab(46.04, 45.54, 37.15)
CIE-LCH	lch(46.04, 58.77, 39.21°)
OKLab	oklab(55.21% 0.1299 0.0835)
OKLCH	oklch(55.21% 0.154 32.7)
XYZ	xyz(23.3036, 15.2963, 4.6305)
Luminance	0.1529 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB4731 #31A5BB

analogous

#BB3160 #BB4731 #BB8C31

triadic

#BB4731 #31BB47 #4731BB

tetradic

#BB4731 #60BB31 #31A5BB #8C31BB

square

#BB4731 #60BB31 #31A5BB #8C31BB

split-complementary

#BB4731 #31BB8C #3160BB

monochromatic

#5A2218 #8B3524 #BB4731 #D36A56 #E09587

Accessibility & contrast

On white

5.17

#BB4731 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#BB4731 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB4731

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB4731	#FFFFFF	#000000	##FFFFFF
##BB4731	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675D2E

Deuteranopia (green-blind)

#84772D

Tritanopia (blue-blind)

#CD2B42

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #bb4731;
/* rgb */ color: rgb(187, 71, 49);
/* oklch */ color: oklch(55.2% 0.154 32.7);

Tailwind

colors: {
  custom: {
    50: '#d77f6a',
    500: '#bb4731',
    950: '#000000',
  },
}

SCSS

$custom: #bb4731;
$custom-light: #d77f6a;
$custom-dark: #000000;

JSON

{
  "hex": "#bb4731",
  "rgb": {
    "r": 187,
    "g": 71,
    "b": 49
  },
  "hsl": {
    "h": 9.565,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.55213,
    "c": 0.15443,
    "h": 32.7
  },
  "luminance": 0.15293
}

Semantic roles & 50–950 ramp

primary

#BB4731

secondary

#7FBDC9

accent

#C9E246

background

#FEF8F6

surface

#FCEFEB

border

#D5CAC6

text

#160A06

muted

#847C7A

Preview Lab

Preview with #BB4731

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

Preview Lab → · Contrast checker → · Palette generator →