#B4543F#B4543F

#B4543F is a mid, vivid red. Relative luminance 0.164; OKLCH L 56.2% C 0.130 H 33.7°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#B4543F
RGB	rgb(180, 84, 63)
HSL	hsl(11, 48%, 48%)
HSV	hsv(11, 65%, 71%)
CMYK	cmyk(0%, 53.3%, 65%, 29.4%)
CIE-LAB	lab(47.50, 37.37, 30.67)
CIE-LCH	lch(47.50, 48.35, 39.38°)
OKLab	oklab(56.16% 0.108 0.0721)
OKLCH	oklch(56.16% 0.13 33.7)
XYZ	xyz(22.8920, 16.4056, 6.6628)
Luminance	0.1640 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4543F #3F9FB4

analogous

#B43F65 #B4543F #B48E3F

triadic

#B4543F #3FB454 #543FB4

tetradic

#B4543F #65B43F #3F9FB4 #8E3FB4

square

#B4543F #65B43F #3F9FB4 #8E3FB4

split-complementary

#B4543F #3FB48E #3F65B4

monochromatic

#592A1F #873F2F #B4543F #CA7867 #DAA094

Accessibility & contrast

On white

4.91

#B4543F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#B4543F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4543F

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4543F	#FFFFFF	#000000	##FFFFFF
##B4543F	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)

#6D643D

Deuteranopia (green-blind)

#84793D

Tritanopia (blue-blind)

#C5424F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #b4543f;
/* rgb */ color: rgb(180, 84, 63);
/* oklch */ color: oklch(56.2% 0.130 33.7);

Tailwind

colors: {
  custom: {
    50: '#d08674',
    500: '#b4543f',
    950: '#000000',
  },
}

SCSS

$custom: #b4543f;
$custom-light: #d08674;
$custom-dark: #000000;

JSON

{
  "hex": "#b4543f",
  "rgb": {
    "r": 180,
    "g": 84,
    "b": 63
  },
  "hsl": {
    "h": 10.769,
    "s": 48.148,
    "l": 47.647
  },
  "oklch": {
    "l": 0.56159,
    "c": 0.12982,
    "h": 33.7
  },
  "luminance": 0.16403
}

Semantic roles & 50–950 ramp

primary

#B4543F

secondary

#8ABAC5

accent

#BFD850

background

#FDF8F7

surface

#FBF0ED

border

#D4CBC8

text

#150B08

muted

#837C7B

Preview Lab

Preview with #B4543F

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

Preview Lab → · Contrast checker → · Palette generator →