#B3543B#B3543B

#B3543B is a mid, vivid red. Relative luminance 0.162; OKLCH L 56.0% C 0.130 H 35.8°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#B3543B
RGB	rgb(179, 84, 59)
HSL	hsl(13, 50%, 47%)
HSV	hsv(13, 67%, 70%)
CMYK	cmyk(0%, 53.1%, 67%, 29.8%)
CIE-LAB	lab(47.29, 36.73, 32.66)
CIE-LCH	lch(47.29, 49.15, 41.64°)
OKLab	oklab(55.95% 0.1054 0.076)
OKLCH	oklch(55.95% 0.13 35.8)
XYZ	xyz(22.5522, 16.2429, 6.0844)
Luminance	0.1624 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3543B #3B9AB3

analogous

#B33B5E #B3543B #B3903B

triadic

#B3543B #3BB354 #543BB3

tetradic

#B3543B #5EB33B #3B9AB3 #903BB3

square

#B3543B #5EB33B #3B9AB3 #903BB3

split-complementary

#B3543B #3BB390 #3B5EB3

monochromatic

#57291D #853E2C #B3543B #CB7760 #DA9E8E

Accessibility & contrast

On white

4.94

#B3543B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#B3543B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3543B

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3543B	#FFFFFF	#000000	##FFFFFF
##B3543B	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D6338

Deuteranopia (green-blind)

#847839

Tritanopia (blue-blind)

#C4414E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #b3543b;
/* rgb */ color: rgb(179, 84, 59);
/* oklch */ color: oklch(56.0% 0.130 35.8);

Tailwind

colors: {
  custom: {
    50: '#d08671',
    500: '#b3543b',
    950: '#000000',
  },
}

SCSS

$custom: #b3543b;
$custom-light: #d08671;
$custom-dark: #000000;

JSON

{
  "hex": "#b3543b",
  "rgb": {
    "r": 179,
    "g": 84,
    "b": 59
  },
  "hsl": {
    "h": 12.5,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.5595,
    "c": 0.12988,
    "h": 35.8
  },
  "luminance": 0.1624
}

Semantic roles & 50–950 ramp

primary

#B3543B

secondary

#85B7C5

accent

#BDDA4E

background

#FDF8F6

surface

#FBF0EC

border

#D4CBC7

text

#150B08

muted

#837C7B

Preview Lab

Preview with #B3543B

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

Preview Lab → · Contrast checker → · Palette generator →