#BB5337#BB5337

#BB5337 is a mid, vivid red. Relative luminance 0.170; OKLCH L 56.9% C 0.141 H 36.0°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#BB5337
RGB	rgb(187, 83, 55)
HSL	hsl(13, 55%, 47%)
HSV	hsv(13, 71%, 73%)
CMYK	cmyk(0%, 55.6%, 70.6%, 26.7%)
CIE-LAB	lab(48.30, 40.10, 36.38)
CIE-LCH	lch(48.30, 54.15, 42.22°)
OKLab	oklab(56.95% 0.1142 0.0831)
OKLCH	oklch(56.95% 0.141 36)
XYZ	xyz(24.2787, 17.0303, 5.6224)
Luminance	0.1703 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB5337 #379FBB

analogous

#BB375D #BB5337 #BB9537

triadic

#BB5337 #37BB53 #5337BB

tetradic

#BB5337 #5DBB37 #379FBB #9537BB

square

#BB5337 #5DBB37 #379FBB #9537BB

split-complementary

#BB5337 #37BB95 #375DBB

monochromatic

#5C291B #8C3E29 #BB5337 #D0775F #DE9F8E

Accessibility & contrast

On white

4.77

#BB5337 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#BB5337 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB5337

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB5337	#FFFFFF	#000000	##FFFFFF
##BB5337	1.00	4.77	4.41	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F6434

Deuteranopia (green-blind)

#897B34

Tritanopia (blue-blind)

#CD3D4D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #bb5337;
/* rgb */ color: rgb(187, 83, 55);
/* oklch */ color: oklch(56.9% 0.141 36.0);

Tailwind

colors: {
  custom: {
    50: '#d6866f',
    500: '#bb5337',
    950: '#000000',
  },
}

SCSS

$custom: #bb5337;
$custom-light: #d6866f;
$custom-dark: #000000;

JSON

{
  "hex": "#bb5337",
  "rgb": {
    "r": 187,
    "g": 83,
    "b": 55
  },
  "hsl": {
    "h": 12.727,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.56946,
    "c": 0.14121,
    "h": 36
  },
  "luminance": 0.17027
}

Semantic roles & 50–950 ramp

primary

#BB5337

secondary

#85BAC9

accent

#BFDE4A

background

#FEF8F6

surface

#FCF0EC

border

#D5CBC7

text

#160B07

muted

#847C7A

Preview Lab

Preview with #BB5337

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

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