#B4573A#B4573A

#B4573A is a mid, vivid red. Relative luminance 0.168; OKLCH L 56.5% C 0.128 H 37.9°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#B4573A
RGB	rgb(180, 87, 58)
HSL	hsl(14, 51%, 47%)
HSV	hsv(14, 68%, 71%)
CMYK	cmyk(0%, 51.7%, 67.8%, 29.4%)
CIE-LAB	lab(48.04, 35.52, 34.14)
CIE-LCH	lch(48.04, 49.27, 43.87°)
OKLab	oklab(56.55% 0.1013 0.079)
OKLCH	oklch(56.55% 0.128 37.9)
XYZ	xyz(22.9964, 16.8279, 6.0393)
Luminance	0.1683 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4573A #3A97B4

analogous

#B43A5A #B4573A #B4943A

triadic

#B4573A #3AB457 #573AB4

tetradic

#B4573A #5AB43A #3A97B4 #943AB4

square

#B4573A #5AB43A #3A97B4 #943AB4

split-complementary

#B4573A #3AB494 #3A5AB4

monochromatic

#572A1C #86412B #B4573A #CC7960 #DBA08E

Accessibility & contrast

On white

4.81

#B4573A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#B4573A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4573A

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4573A	#FFFFFF	#000000	##FFFFFF
##B4573A	1.00	4.81	4.36	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#706537

Deuteranopia (green-blind)

#867A38

Tritanopia (blue-blind)

#C54550

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #b4573a;
/* rgb */ color: rgb(180, 87, 58);
/* oklch */ color: oklch(56.5% 0.128 37.9);

Tailwind

colors: {
  custom: {
    50: '#d08871',
    500: '#b4573a',
    950: '#000000',
  },
}

SCSS

$custom: #b4573a;
$custom-light: #d08871;
$custom-dark: #000000;

JSON

{
  "hex": "#b4573a",
  "rgb": {
    "r": 180,
    "g": 87,
    "b": 58
  },
  "hsl": {
    "h": 14.262,
    "s": 51.261,
    "l": 46.667
  },
  "oklch": {
    "l": 0.56548,
    "c": 0.12848,
    "h": 37.9
  },
  "luminance": 0.16825
}

Semantic roles & 50–950 ramp

primary

#B4573A

secondary

#85B6C5

accent

#B9DB4D

background

#FDF8F6

surface

#FBF0EC

border

#D4CBC7

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B4573A

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

Preview Lab → · Contrast checker → · Palette generator →