#B4573C#B4573C

#B4573C is a mid, vivid red. Relative luminance 0.168; OKLCH L 56.6% C 0.128 H 37.0°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#B4573C
RGB	rgb(180, 87, 60)
HSL	hsl(14, 50%, 47%)
HSV	hsv(14, 67%, 71%)
CMYK	cmyk(0%, 51.7%, 66.7%, 29.4%)
CIE-LAB	lab(48.07, 35.64, 33.06)
CIE-LCH	lch(48.07, 48.61, 42.85°)
OKLab	oklab(56.58% 0.1021 0.0769)
OKLCH	oklch(56.58% 0.128 37)
XYZ	xyz(23.0483, 16.8487, 6.3125)
Luminance	0.1685 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4573C #3C99B4

analogous

#B43C5D #B4573C #B4933C

triadic

#B4573C #3CB457 #573CB4

tetradic

#B4573C #5DB43C #3C99B4 #933CB4

square

#B4573C #5DB43C #3C99B4 #933CB4

split-complementary

#B4573C #3CB493 #3C5DB4

monochromatic

#582B1D #86412D #B4573C #CB7A62 #DAA190

Accessibility & contrast

On white

4.81

#B4573C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#B4573C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4573C

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4573C	#FFFFFF	#000000	##FFFFFF
##B4573C	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#706639

Deuteranopia (green-blind)

#867A3A

Tritanopia (blue-blind)

#C54551

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #b4573c;
/* rgb */ color: rgb(180, 87, 60);
/* oklch */ color: oklch(56.6% 0.128 37.0);

Tailwind

colors: {
  custom: {
    50: '#d08872',
    500: '#b4573c',
    950: '#000000',
  },
}

SCSS

$custom: #b4573c;
$custom-light: #d08872;
$custom-dark: #000000;

JSON

{
  "hex": "#b4573c",
  "rgb": {
    "r": 180,
    "g": 87,
    "b": 60
  },
  "hsl": {
    "h": 13.5,
    "s": 50,
    "l": 47.059
  },
  "oklch": {
    "l": 0.56576,
    "c": 0.12781,
    "h": 37
  },
  "luminance": 0.16846
}

Semantic roles & 50–950 ramp

primary

#B4573C

secondary

#87B7C5

accent

#BADA4E

background

#FDF8F6

surface

#FBF0EC

border

#D4CBC7

text

#150B08

muted

#837C7B

Preview Lab

Preview with #B4573C

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

Preview Lab → · Contrast checker → · Palette generator →