#BB5037#BB5037

#BB5037 is a mid, vivid red. Relative luminance 0.166; OKLCH L 56.5% C 0.144 H 34.5°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#BB5037
RGB	rgb(187, 80, 55)
HSL	hsl(11, 55%, 47%)
HSV	hsv(11, 71%, 73%)
CMYK	cmyk(0%, 57.2%, 70.6%, 26.7%)
CIE-LAB	lab(47.73, 41.58, 35.73)
CIE-LCH	lch(47.73, 54.82, 40.68°)
OKLab	oklab(56.51% 0.1188 0.0817)
OKLCH	oklch(56.51% 0.144 34.5)
XYZ	xyz(24.0541, 16.5811, 5.5475)
Luminance	0.1658 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB5037 #37A2BB

analogous

#BB3760 #BB5037 #BB9237

triadic

#BB5037 #37BB50 #5037BB

tetradic

#BB5037 #60BB37 #37A2BB #9237BB

square

#BB5037 #60BB37 #37A2BB #9237BB

split-complementary

#BB5037 #37BB92 #3760BB

monochromatic

#5C281B #8C3C29 #BB5037 #D0755F #DE9E8E

Accessibility & contrast

On white

4.87

#BB5037 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#BB5037 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB5037

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB5037	#FFFFFF	#000000	##FFFFFF
##BB5037	1.00	4.87	4.32	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6334

Deuteranopia (green-blind)

#877A34

Tritanopia (blue-blind)

#CD394B

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #bb5037;
/* rgb */ color: rgb(187, 80, 55);
/* oklch */ color: oklch(56.5% 0.144 34.5);

Tailwind

colors: {
  custom: {
    50: '#d6846f',
    500: '#bb5037',
    950: '#000000',
  },
}

SCSS

$custom: #bb5037;
$custom-light: #d6846f;
$custom-dark: #000000;

JSON

{
  "hex": "#bb5037",
  "rgb": {
    "r": 187,
    "g": 80,
    "b": 55
  },
  "hsl": {
    "h": 11.364,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.56513,
    "c": 0.14413,
    "h": 34.5
  },
  "luminance": 0.16578
}

Semantic roles & 50–950 ramp

primary

#BB5037

secondary

#85BCC9

accent

#C2DE4A

background

#FEF8F6

surface

#FCEFEC

border

#D5CAC7

text

#160B07

muted

#847C7A

Preview Lab

Preview with #BB5037

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

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