#BB3744#BB3744

#BB3744 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.6% C 0.168 H 19.5°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#BB3744
RGB	rgb(187, 55, 68)
HSL	hsl(354, 55%, 47%)
HSV	hsv(354, 71%, 73%)
CMYK	cmyk(0%, 70.6%, 63.6%, 26.7%)
CIE-LAB	lab(43.83, 53.28, 23.37)
CIE-LCH	lch(43.83, 58.18, 23.69°)
OKLab	oklab(53.64% 0.1581 0.0561)
OKLCH	oklch(53.64% 0.168 19.5)
XYZ	xyz(22.9054, 13.7178, 6.9094)
Luminance	0.1371 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3744 #37BBAE

analogous

#BB3786 #BB3744 #BB6C37

triadic

#BB3744 #44BB37 #3744BB

tetradic

#BB3744 #86BB37 #37BBAE #6C37BB

square

#BB3744 #86BB37 #37BBAE #6C37BB

split-complementary

#BB3744 #37BB6C #3786BB

monochromatic

#5C1B22 #8C2933 #BB3744 #D05F6A #DE8E96

Accessibility & contrast

On white

5.61

#BB3744 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#BB3744 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3744

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3744	#FFFFFF	#000000	##FFFFFF
##BB3744	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5644

Deuteranopia (green-blind)

#7C7240

Tritanopia (blue-blind)

#CD103D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3744;
/* rgb */ color: rgb(187, 55, 68);
/* oklch */ color: oklch(53.6% 0.168 19.5);

Tailwind

colors: {
  custom: {
    50: '#d77777',
    500: '#bb3744',
    950: '#000000',
  },
}

SCSS

$custom: #bb3744;
$custom-light: #d77777;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3744",
  "rgb": {
    "r": 187,
    "g": 55,
    "b": 68
  },
  "hsl": {
    "h": 354.091,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53643,
    "c": 0.16775,
    "h": 19.5
  },
  "luminance": 0.13715
}

Semantic roles & 50–950 ramp

primary

#BB3744

secondary

#85C9C2

accent

#DECF4A

background

#FEF7F7

surface

#FCEEED

border

#D5C9C8

text

#160908

muted

#847B7B

Preview Lab

Preview with #BB3744

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

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