#B4543D#B4543D

#B4543D is a mid, vivid red. Relative luminance 0.164; OKLCH L 56.1% C 0.130 H 34.7°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#B4543D
RGB	rgb(180, 84, 61)
HSL	hsl(12, 49%, 47%)
HSV	hsv(12, 66%, 71%)
CMYK	cmyk(0%, 53.3%, 66.1%, 29.4%)
CIE-LAB	lab(47.47, 37.25, 31.78)
CIE-LCH	lch(47.47, 48.96, 40.47°)
OKLab	oklab(56.13% 0.1072 0.0743)
OKLCH	oklch(56.13% 0.13 34.7)
XYZ	xyz(22.8371, 16.3837, 6.3737)
Luminance	0.1638 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4543D #3D9DB4

analogous

#B43D61 #B4543D #B4903D

triadic

#B4543D #3DB454 #543DB4

tetradic

#B4543D #61B43D #3D9DB4 #903DB4

square

#B4543D #61B43D #3D9DB4 #903DB4

split-complementary

#B4543D #3DB490 #3D61B4

monochromatic

#59291E #863F2E #B4543D #CA7864 #DA9F92

Accessibility & contrast

On white

4.91

#B4543D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#B4543D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4543D

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4543D	#FFFFFF	#000000	##FFFFFF
##B4543D	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D643B

Deuteranopia (green-blind)

#85793B

Tritanopia (blue-blind)

#C5414F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #b4543d;
/* rgb */ color: rgb(180, 84, 61);
/* oklch */ color: oklch(56.1% 0.130 34.7);

Tailwind

colors: {
  custom: {
    50: '#d08673',
    500: '#b4543d',
    950: '#000000',
  },
}

SCSS

$custom: #b4543d;
$custom-light: #d08673;
$custom-dark: #000000;

JSON

{
  "hex": "#b4543d",
  "rgb": {
    "r": 180,
    "g": 84,
    "b": 61
  },
  "hsl": {
    "h": 11.597,
    "s": 49.378,
    "l": 47.255
  },
  "oklch": {
    "l": 0.56128,
    "c": 0.13042,
    "h": 34.7
  },
  "luminance": 0.16381
}

Semantic roles & 50–950 ramp

primary

#B4543D

secondary

#88B9C5

accent

#BED94F

background

#FDF8F7

surface

#FBF0ED

border

#D4CBC8

text

#150B08

muted

#837C7B

Preview Lab

Preview with #B4543D

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

Preview Lab → · Contrast checker → · Palette generator →