#B4573F#B4573F

#B4573F is a mid, vivid red. Relative luminance 0.169; OKLCH L 56.6% C 0.127 H 35.5°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#B4573F
RGB	rgb(180, 87, 63)
HSL	hsl(12, 48%, 48%)
HSV	hsv(12, 65%, 71%)
CMYK	cmyk(0%, 51.7%, 65%, 29.4%)
CIE-LAB	lab(48.11, 35.83, 31.41)
CIE-LCH	lch(48.11, 47.65, 41.24°)
OKLab	oklab(56.62% 0.1032 0.0737)
OKLCH	oklch(56.62% 0.127 35.5)
XYZ	xyz(23.1298, 16.8813, 6.7420)
Luminance	0.1688 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4573F #3F9CB4

analogous

#B43F61 #B4573F #B4923F

triadic

#B4573F #3FB457 #573FB4

tetradic

#B4573F #61B43F #3F9CB4 #923FB4

square

#B4573F #61B43F #3F9CB4 #923FB4

split-complementary

#B4573F #3FB492 #3F61B4

monochromatic

#592B1F #87412F #B4573F #CA7B67 #DAA294

Accessibility & contrast

On white

4.80

#B4573F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#B4573F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4573F

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4573F	#FFFFFF	#000000	##FFFFFF
##B4573F	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F663D

Deuteranopia (green-blind)

#867A3D

Tritanopia (blue-blind)

#C54551

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #b4573f;
/* rgb */ color: rgb(180, 87, 63);
/* oklch */ color: oklch(56.6% 0.127 35.5);

Tailwind

colors: {
  custom: {
    50: '#d08874',
    500: '#b4573f',
    950: '#000000',
  },
}

SCSS

$custom: #b4573f;
$custom-light: #d08874;
$custom-dark: #000000;

JSON

{
  "hex": "#b4573f",
  "rgb": {
    "r": 180,
    "g": 87,
    "b": 63
  },
  "hsl": {
    "h": 12.308,
    "s": 48.148,
    "l": 47.647
  },
  "oklch": {
    "l": 0.56621,
    "c": 0.12681,
    "h": 35.5
  },
  "luminance": 0.16879
}

Semantic roles & 50–950 ramp

primary

#B4573F

secondary

#8AB9C5

accent

#BCD850

background

#FDF8F7

surface

#FBF0ED

border

#D4CBC8

text

#150C08

muted

#837D7B

Preview Lab

Preview with #B4573F

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

Preview Lab → · Contrast checker → · Palette generator →