#BB4738#BB4738

#BB4738 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.3% C 0.153 H 30.0°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#BB4738
RGB	rgb(187, 71, 56)
HSL	hsl(7, 54%, 48%)
HSV	hsv(7, 70%, 73%)
CMYK	cmyk(0%, 62%, 70.1%, 26.7%)
CIE-LAB	lab(46.12, 45.88, 33.31)
CIE-LCH	lch(46.12, 56.70, 35.98°)
OKLab	oklab(55.31% 0.1323 0.0766)
OKLCH	oklch(55.31% 0.153 30)
XYZ	xyz(23.4630, 15.3600, 5.4699)
Luminance	0.1536 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB4738 #38ACBB

analogous

#BB386B #BB4738 #BB8838

triadic

#BB4738 #38BB47 #4738BB

tetradic

#BB4738 #6BBB38 #38ACBB #8838BB

square

#BB4738 #6BBB38 #38ACBB #8838BB

split-complementary

#BB4738 #38BB88 #386BBB

monochromatic

#5D231C #8C352A #BB4738 #D06D61 #DE9990

Accessibility & contrast

On white

5.16

#BB4738 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#BB4738 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB4738

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB4738	#FFFFFF	#000000	##FFFFFF
##BB4738	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D36

Deuteranopia (green-blind)

#837735

Tritanopia (blue-blind)

#CD2C44

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #bb4738;
/* rgb */ color: rgb(187, 71, 56);
/* oklch */ color: oklch(55.3% 0.153 30.0);

Tailwind

colors: {
  custom: {
    50: '#d77f6f',
    500: '#bb4738',
    950: '#000000',
  },
}

SCSS

$custom: #bb4738;
$custom-light: #d77f6f;
$custom-dark: #000000;

JSON

{
  "hex": "#bb4738",
  "rgb": {
    "r": 187,
    "g": 71,
    "b": 56
  },
  "hsl": {
    "h": 6.87,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.55305,
    "c": 0.15289,
    "h": 30
  },
  "luminance": 0.15357
}

Semantic roles & 50–950 ramp

primary

#BB4738

secondary

#86C1C8

accent

#CCDD4B

background

#FEF8F6

surface

#FCEFEC

border

#D5CAC7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #BB4738

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

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