#BB5637#BB5637

#BB5637 is a mid, vivid red. Relative luminance 0.175; OKLCH L 57.4% C 0.138 H 37.6°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#BB5637
RGB	rgb(187, 86, 55)
HSL	hsl(14, 55%, 47%)
HSV	hsv(14, 71%, 73%)
CMYK	cmyk(0%, 54%, 70.6%, 26.7%)
CIE-LAB	lab(48.88, 38.60, 37.05)
CIE-LCH	lch(48.88, 53.50, 43.83°)
OKLab	oklab(57.39% 0.1096 0.0845)
OKLCH	oklch(57.39% 0.138 37.6)
XYZ	xyz(24.5132, 17.4993, 5.7005)
Luminance	0.1750 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB5637 #379CBB

analogous

#BB375A #BB5637 #BB9837

triadic

#BB5637 #37BB56 #5637BB

tetradic

#BB5637 #5ABB37 #379CBB #9837BB

square

#BB5637 #5ABB37 #379CBB #9837BB

split-complementary

#BB5637 #37BB98 #375ABB

monochromatic

#5C2B1B #8C4029 #BB5637 #D07A5F #DEA18E

Accessibility & contrast

On white

4.67

#BB5637 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#BB5637 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #BB5637

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB5637	#FFFFFF	#000000	##FFFFFF
##BB5637	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#716634

Deuteranopia (green-blind)

#8A7D35

Tritanopia (blue-blind)

#CD414F

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #bb5637;
/* rgb */ color: rgb(187, 86, 55);
/* oklch */ color: oklch(57.4% 0.138 37.6);

Tailwind

colors: {
  custom: {
    50: '#d6886f',
    500: '#bb5637',
    950: '#000000',
  },
}

SCSS

$custom: #bb5637;
$custom-light: #d6886f;
$custom-dark: #000000;

JSON

{
  "hex": "#bb5637",
  "rgb": {
    "r": 187,
    "g": 86,
    "b": 55
  },
  "hsl": {
    "h": 14.091,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.5739,
    "c": 0.13837,
    "h": 37.6
  },
  "luminance": 0.17496
}

Semantic roles & 50–950 ramp

primary

#BB5637

secondary

#85B9C9

accent

#BBDE4A

background

#FEF8F6

surface

#FCF0EC

border

#D5CBC7

text

#160C07

muted

#847D7A

Preview Lab

Preview with #BB5637

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

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