#B3573B#B3573B

#B3573B is a mid, vivid red. Relative luminance 0.167; OKLCH L 56.4% C 0.127 H 37.6°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#B3573B
RGB	rgb(179, 87, 59)
HSL	hsl(14, 50%, 47%)
HSV	hsv(14, 67%, 70%)
CMYK	cmyk(0%, 51.4%, 67%, 29.8%)
CIE-LAB	lab(47.90, 35.18, 33.39)
CIE-LCH	lch(47.90, 48.50, 43.50°)
OKLab	oklab(56.42% 0.1006 0.0775)
OKLCH	oklch(56.42% 0.127 37.6)
XYZ	xyz(22.7901, 16.7186, 6.1637)
Luminance	0.1672 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3573B #3B97B3

analogous

#B33B5B #B3573B #B3933B

triadic

#B3573B #3BB357 #573BB3

tetradic

#B3573B #5BB33B #3B97B3 #933BB3

square

#B3573B #5BB33B #3B97B3 #933BB3

split-complementary

#B3573B #3BB393 #3B5BB3

monochromatic

#572A1D #85412C #B3573B #CB7960 #DAA08E

Accessibility & contrast

On white

4.84

#B3573B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#B3573B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3573B

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3573B	#FFFFFF	#000000	##FFFFFF
##B3573B	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F6538

Deuteranopia (green-blind)

#867939

Tritanopia (blue-blind)

#C44551

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #b3573b;
/* rgb */ color: rgb(179, 87, 59);
/* oklch */ color: oklch(56.4% 0.127 37.6);

Tailwind

colors: {
  custom: {
    50: '#cf8872',
    500: '#b3573b',
    950: '#000000',
  },
}

SCSS

$custom: #b3573b;
$custom-light: #cf8872;
$custom-dark: #000000;

JSON

{
  "hex": "#b3573b",
  "rgb": {
    "r": 179,
    "g": 87,
    "b": 59
  },
  "hsl": {
    "h": 14,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.56415,
    "c": 0.12699,
    "h": 37.6
  },
  "luminance": 0.16716
}

Semantic roles & 50–950 ramp

primary

#B3573B

secondary

#85B6C5

accent

#B9DA4E

background

#FDF8F6

surface

#FBF0EC

border

#D4CBC7

text

#150B08

muted

#837C7B

Preview Lab

Preview with #B3573B

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

Preview Lab → · Contrast checker → · Palette generator →