#BB4539#BB4539

#BB4539 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.1% C 0.155 H 28.8°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#BB4539
RGB	rgb(187, 69, 57)
HSL	hsl(6, 53%, 48%)
HSV	hsv(6, 70%, 73%)
CMYK	cmyk(0%, 63.1%, 69.5%, 26.7%)
CIE-LAB	lab(45.80, 46.84, 32.36)
CIE-LCH	lch(45.80, 56.93, 34.64°)
OKLab	oklab(55.06% 0.1355 0.0746)
OKLCH	oklch(55.06% 0.155 28.8)
XYZ	xyz(23.3626, 15.1197, 5.5583)
Luminance	0.1512 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB4539 #39AFBB

analogous

#BB396E #BB4539 #BB8639

triadic

#BB4539 #39BB45 #4539BB

tetradic

#BB4539 #6EBB39 #39AFBB #8639BB

square

#BB4539 #6EBB39 #39AFBB #8639BB

split-complementary

#BB4539 #39BB86 #396EBB

monochromatic

#5D221C #8C342B #BB4539 #CF6C62 #DD9891

Accessibility & contrast

On white

5.22

#BB4539 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#BB4539 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #BB4539

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB4539	#FFFFFF	#000000	##FFFFFF
##BB4539	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C37

Deuteranopia (green-blind)

#827636

Tritanopia (blue-blind)

#CD2943

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #bb4539;
/* rgb */ color: rgb(187, 69, 57);
/* oklch */ color: oklch(55.1% 0.155 28.8);

Tailwind

colors: {
  custom: {
    50: '#d77e70',
    500: '#bb4539',
    950: '#000000',
  },
}

SCSS

$custom: #bb4539;
$custom-light: #d77e70;
$custom-dark: #000000;

JSON

{
  "hex": "#bb4539",
  "rgb": {
    "r": 187,
    "g": 69,
    "b": 57
  },
  "hsl": {
    "h": 5.538,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.55064,
    "c": 0.15472,
    "h": 28.8
  },
  "luminance": 0.15116
}

Semantic roles & 50–950 ramp

primary

#BB4539

secondary

#87C2C8

accent

#CFDD4B

background

#FEF7F6

surface

#FCEEEC

border

#D5C9C7

text

#160A07

muted

#847C7A

Preview Lab

Preview with #BB4539

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

Preview Lab → · Contrast checker → · Palette generator →