#B4543A#B4543A

#B4543A is a mid, vivid red. Relative luminance 0.163; OKLCH L 56.1% C 0.131 H 36.1°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#B4543A
RGB	rgb(180, 84, 58)
HSL	hsl(13, 51%, 47%)
HSV	hsv(13, 68%, 71%)
CMYK	cmyk(0%, 53.3%, 67.8%, 29.4%)
CIE-LAB	lab(47.43, 37.06, 33.43)
CIE-LCH	lch(47.43, 49.91, 42.05°)
OKLab	oklab(56.08% 0.1061 0.0774)
OKLCH	oklch(56.08% 0.131 36.1)
XYZ	xyz(22.7585, 16.3522, 5.9600)
Luminance	0.1635 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4543A #3A9AB4

analogous

#B43A5D #B4543A #B4913A

triadic

#B4543A #3AB454 #543AB4

tetradic

#B4543A #5DB43A #3A9AB4 #913AB4

square

#B4543A #5DB43A #3A9AB4 #913AB4

split-complementary

#B4543A #3AB491 #3A5DB4

monochromatic

#57291C #863E2B #B4543A #CC7760 #DB9E8E

Accessibility & contrast

On white

4.92

#B4543A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#B4543A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4543A

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4543A	#FFFFFF	#000000	##FFFFFF
##B4543A	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6437

Deuteranopia (green-blind)

#857838

Tritanopia (blue-blind)

#C5414E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #b4543a;
/* rgb */ color: rgb(180, 84, 58);
/* oklch */ color: oklch(56.1% 0.131 36.1);

Tailwind

colors: {
  custom: {
    50: '#d08671',
    500: '#b4543a',
    950: '#000000',
  },
}

SCSS

$custom: #b4543a;
$custom-light: #d08671;
$custom-dark: #000000;

JSON

{
  "hex": "#b4543a",
  "rgb": {
    "r": 180,
    "g": 84,
    "b": 58
  },
  "hsl": {
    "h": 12.787,
    "s": 51.261,
    "l": 46.667
  },
  "oklch": {
    "l": 0.56084,
    "c": 0.13135,
    "h": 36.1
  },
  "luminance": 0.16349
}

Semantic roles & 50–950 ramp

primary

#B4543A

secondary

#85B7C5

accent

#BDDB4D

background

#FDF8F6

surface

#FBF0EC

border

#D4CBC7

text

#150B07

muted

#837C7A

Preview Lab

Preview with #B4543A

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

Preview Lab → · Contrast checker → · Palette generator →