#BB4937#BB4937

#BB4937 is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.6% C 0.151 H 31.3°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#BB4937
RGB	rgb(187, 73, 55)
HSL	hsl(8, 55%, 47%)
HSV	hsv(8, 71%, 73%)
CMYK	cmyk(0%, 61%, 70.6%, 26.7%)
CIE-LAB	lab(46.46, 44.91, 34.27)
CIE-LCH	lch(46.46, 56.49, 37.35°)
OKLab	oklab(55.55% 0.1291 0.0785)
OKLCH	oklch(55.55% 0.151 31.3)
XYZ	xyz(23.5681, 15.6089, 5.3855)
Luminance	0.1561 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB4937 #37A9BB

analogous

#BB3767 #BB4937 #BB8B37

triadic

#BB4937 #37BB49 #4937BB

tetradic

#BB4937 #67BB37 #37A9BB #8B37BB

square

#BB4937 #67BB37 #37A9BB #8B37BB

split-complementary

#BB4937 #37BB8B #3767BB

monochromatic

#5C241B #8C3729 #BB4937 #D06F5F #DE998E

Accessibility & contrast

On white

5.10

#BB4937 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#BB4937 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB4937

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB4937	#FFFFFF	#000000	##FFFFFF
##BB4937	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685E35

Deuteranopia (green-blind)

#847734

Tritanopia (blue-blind)

#CD2F45

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #bb4937;
/* rgb */ color: rgb(187, 73, 55);
/* oklch */ color: oklch(55.6% 0.151 31.3);

Tailwind

colors: {
  custom: {
    50: '#d7806e',
    500: '#bb4937',
    950: '#000000',
  },
}

SCSS

$custom: #bb4937;
$custom-light: #d7806e;
$custom-dark: #000000;

JSON

{
  "hex": "#bb4937",
  "rgb": {
    "r": 187,
    "g": 73,
    "b": 55
  },
  "hsl": {
    "h": 8.182,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.55553,
    "c": 0.15109,
    "h": 31.3
  },
  "luminance": 0.15606
}

Semantic roles & 50–950 ramp

primary

#BB4937

secondary

#85BFC9

accent

#CADE4A

background

#FEF8F6

surface

#FCEFEC

border

#D5CAC7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #BB4937

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

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