#BB573B#BB573B

#BB573B is a mid, vivid red. Relative luminance 0.177; OKLCH L 57.6% C 0.136 H 36.5°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#BB573B
RGB	rgb(187, 87, 59)
HSL	hsl(13, 52%, 48%)
HSV	hsv(13, 68%, 73%)
CMYK	cmyk(0%, 53.5%, 68.4%, 26.7%)
CIE-LAB	lab(49.13, 38.31, 35.13)
CIE-LCH	lch(49.13, 51.98, 42.52°)
OKLab	oklab(57.59% 0.1094 0.081)
OKLCH	oklch(57.59% 0.136 36.5)
XYZ	xyz(24.6934, 17.7000, 6.2529)
Luminance	0.1770 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#BB573B #3B9FBB

analogous

#BB3B5F #BB573B #BB973B

triadic

#BB573B #3BBB57 #573BBB

tetradic

#BB573B #5FBB3B #3B9FBB #973BBB

square

#BB573B #5FBB3B #3B9FBB #973BBB

split-complementary

#BB573B #3BBB97 #3B5FBB

monochromatic

#5E2C1E #8C412C #BB573B #CE7C65 #DDA393

Accessibility & contrast

On white

4.63

#BB573B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#BB573B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #BB573B

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##BB573B	#FFFFFF	#000000	##FFFFFF
##BB573B	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#726738

Deuteranopia (green-blind)

#8A7D39

Tritanopia (blue-blind)

#CD4351

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #bb573b;
/* rgb */ color: rgb(187, 87, 59);
/* oklch */ color: oklch(57.6% 0.136 36.5);

Tailwind

colors: {
  custom: {
    50: '#d68972',
    500: '#bb573b',
    950: '#000000',
  },
}

SCSS

$custom: #bb573b;
$custom-light: #d68972;
$custom-dark: #000000;

JSON

{
  "hex": "#bb573b",
  "rgb": {
    "r": 187,
    "g": 87,
    "b": 59
  },
  "hsl": {
    "h": 13.125,
    "s": 52.033,
    "l": 48.235
  },
  "oklch": {
    "l": 0.57593,
    "c": 0.13615,
    "h": 36.5
  },
  "luminance": 0.17697
}

Semantic roles & 50–950 ramp

primary

#BB573B

secondary

#8ABBC8

accent

#BCDB4C

background

#FEF8F6

surface

#FCF0EC

border

#D5CBC7

text

#150C08

muted

#847D7B

Preview Lab

Preview with #BB573B

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

Preview Lab → · Contrast checker → · Palette generator →