#B3543F#B3543F

#B3543F is a mid, vivid red. Relative luminance 0.163; OKLCH L 56.0% C 0.129 H 33.8°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#B3543F
RGB	rgb(179, 84, 63)
HSL	hsl(11, 48%, 47%)
HSV	hsv(11, 65%, 70%)
CMYK	cmyk(0%, 53.1%, 64.8%, 29.8%)
CIE-LAB	lab(47.35, 36.99, 30.45)
CIE-LCH	lch(47.35, 47.91, 39.46°)
OKLab	oklab(56.01% 0.1069 0.0716)
OKLCH	oklch(56.01% 0.129 33.8)
XYZ	xyz(22.6600, 16.2860, 6.6519)
Luminance	0.1628 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3543F #3F9EB3

analogous

#B33F64 #B3543F #B38E3F

triadic

#B3543F #3FB354 #543FB3

tetradic

#B3543F #64B33F #3F9EB3 #8E3FB3

square

#B3543F #64B33F #3F9EB3 #8E3FB3

split-complementary

#B3543F #3FB38E #3F64B3

monochromatic

#582A1F #863F2F #B3543F #C97866 #D9A093

Accessibility & contrast

On white

4.93

#B3543F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#B3543F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3543F

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3543F	#FFFFFF	#000000	##FFFFFF
##B3543F	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D643D

Deuteranopia (green-blind)

#84783D

Tritanopia (blue-blind)

#C4424F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #b3543f;
/* rgb */ color: rgb(179, 84, 63);
/* oklch */ color: oklch(56.0% 0.129 33.8);

Tailwind

colors: {
  custom: {
    50: '#cf8674',
    500: '#b3543f',
    950: '#000000',
  },
}

SCSS

$custom: #b3543f;
$custom-light: #cf8674;
$custom-dark: #000000;

JSON

{
  "hex": "#b3543f",
  "rgb": {
    "r": 179,
    "g": 84,
    "b": 63
  },
  "hsl": {
    "h": 10.862,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.5601,
    "c": 0.12864,
    "h": 33.8
  },
  "luminance": 0.16283
}

Semantic roles & 50–950 ramp

primary

#B3543F

secondary

#89BAC4

accent

#BFD850

background

#FDF8F7

surface

#FBF0ED

border

#D4CBC8

text

#150B08

muted

#837C7B

Preview Lab

Preview with #B3543F

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

Preview Lab → · Contrast checker → · Palette generator →