#BB3745#BB3745

#BB3745 is a mid, vivid red. Relative luminance 0.137; OKLCH L 53.7% C 0.168 H 19.1°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#BB3745
RGB	rgb(187, 55, 69)
HSL	hsl(354, 55%, 47%)
HSV	hsv(354, 71%, 73%)
CMYK	cmyk(0%, 70.6%, 63.1%, 26.7%)
CIE-LAB	lab(43.84, 53.34, 22.79)
CIE-LCH	lch(43.84, 58.01, 23.13°)
OKLab	oklab(53.66% 0.1585 0.0548)
OKLCH	oklch(53.66% 0.168 19.1)
XYZ	xyz(22.9362, 13.7301, 7.0715)
Luminance	0.1373 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB3745 #37BBAD

analogous

#BB3787 #BB3745 #BB6B37

triadic

#BB3745 #45BB37 #3745BB

tetradic

#BB3745 #87BB37 #37BBAD #6B37BB

square

#BB3745 #87BB37 #37BBAD #6B37BB

split-complementary

#BB3745 #37BB6B #3787BB

monochromatic

#5C1B22 #8C2934 #BB3745 #D05F6B #DE8E97

Accessibility & contrast

On white

5.61

#BB3745 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#BB3745 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB3745

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB3745	#FFFFFF	#000000	##FFFFFF
##BB3745	1.00	5.61	3.75	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5645

Deuteranopia (green-blind)

#7C7241

Tritanopia (blue-blind)

#CD103D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #bb3745;
/* rgb */ color: rgb(187, 55, 69);
/* oklch */ color: oklch(53.7% 0.168 19.1);

Tailwind

colors: {
  custom: {
    50: '#d77778',
    500: '#bb3745',
    950: '#000000',
  },
}

SCSS

$custom: #bb3745;
$custom-light: #d77778;
$custom-dark: #000000;

JSON

{
  "hex": "#bb3745",
  "rgb": {
    "r": 187,
    "g": 55,
    "b": 69
  },
  "hsl": {
    "h": 353.636,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.53662,
    "c": 0.16771,
    "h": 19.1
  },
  "luminance": 0.13727
}

Semantic roles & 50–950 ramp

primary

#BB3745

secondary

#85C9C1

accent

#DECE4A

background

#FEF7F7

surface

#FCEEED

border

#D5C9C8

text

#160909

muted

#847B7B

Preview Lab

Preview with #BB3745

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

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