#B3563B#B3563B

#B3563B is a mid, vivid red. Relative luminance 0.166; OKLCH L 56.3% C 0.128 H 37.0°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#B3563B
RGB	rgb(179, 86, 59)
HSL	hsl(14, 50%, 47%)
HSV	hsv(14, 67%, 70%)
CMYK	cmyk(0%, 52%, 67%, 29.8%)
CIE-LAB	lab(47.70, 35.70, 33.14)
CIE-LCH	lch(47.70, 48.71, 42.87°)
OKLab	oklab(56.26% 0.1022 0.077)
OKLCH	oklch(56.26% 0.128 37)
XYZ	xyz(22.7097, 16.5578, 6.1369)
Luminance	0.1656 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3563B #3B98B3

analogous

#B33B5C #B3563B #B3923B

triadic

#B3563B #3BB356 #563BB3

tetradic

#B3563B #5CB33B #3B98B3 #923BB3

square

#B3563B #5CB33B #3B98B3 #923BB3

split-complementary

#B3563B #3BB392 #3B5CB3

monochromatic

#572A1D #85402C #B3563B #CB7860 #DA9F8E

Accessibility & contrast

On white

4.87

#B3563B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#B3563B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3563B

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3563B	#FFFFFF	#000000	##FFFFFF
##B3563B	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F6538

Deuteranopia (green-blind)

#857939

Tritanopia (blue-blind)

#C44450

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #b3563b;
/* rgb */ color: rgb(179, 86, 59);
/* oklch */ color: oklch(56.3% 0.128 37.0);

Tailwind

colors: {
  custom: {
    50: '#d08872',
    500: '#b3563b',
    950: '#000000',
  },
}

SCSS

$custom: #b3563b;
$custom-light: #d08872;
$custom-dark: #000000;

JSON

{
  "hex": "#b3563b",
  "rgb": {
    "r": 179,
    "g": 86,
    "b": 59
  },
  "hsl": {
    "h": 13.5,
    "s": 50.42,
    "l": 46.667
  },
  "oklch": {
    "l": 0.56259,
    "c": 0.12794,
    "h": 37
  },
  "luminance": 0.16555
}

Semantic roles & 50–950 ramp

primary

#B3563B

secondary

#85B6C5

accent

#BADA4E

background

#FDF8F6

surface

#FBF0EC

border

#D4CBC7

text

#150B08

muted

#837C7B

Preview Lab

Preview with #B3563B

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

Preview Lab → · Contrast checker → · Palette generator →