#B3363C#B3363C

#B3363C is a mid, vivid red. Relative luminance 0.125; OKLCH L 52.0% C 0.161 H 22.2°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#B3363C
RGB	rgb(179, 54, 60)
HSL	hsl(357, 54%, 46%)
HSV	hsv(357, 70%, 70%)
CMYK	cmyk(0%, 69.8%, 66.5%, 29.8%)
CIE-LAB	lab(42.08, 50.62, 25.74)
CIE-LCH	lch(42.08, 56.78, 26.95°)
OKLab	oklab(52.03% 0.149 0.0607)
OKLCH	oklch(52.03% 0.161 22.2)
XYZ	xyz(20.7274, 12.5513, 5.6053)
Luminance	0.1255 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3363C #36B3AD

analogous

#B3367A #B3363C #B36E36

triadic

#B3363C #3CB336 #363CB3

tetradic

#B3363C #7AB336 #36B3AD #6E36B3

square

#B3363C #7AB336 #36B3AD #6E36B3

split-complementary

#B3363C #36B36E #367AB3

monochromatic

#551A1C #84282C #B3363C #CD595F #DB888C

Accessibility & contrast

On white

5.98

#B3363C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#B3363C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3363C

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3363C	#FFFFFF	#000000	##FFFFFF
##B3363C	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58523B

Deuteranopia (green-blind)

#786D38

Tritanopia (blue-blind)

#C41139

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b3363c;
/* rgb */ color: rgb(179, 54, 60);
/* oklch */ color: oklch(52.0% 0.161 22.2);

Tailwind

colors: {
  custom: {
    50: '#d17571',
    500: '#b3363c',
    950: '#000000',
  },
}

SCSS

$custom: #b3363c;
$custom-light: #d17571;
$custom-dark: #000000;

JSON

{
  "hex": "#b3363c",
  "rgb": {
    "r": 179,
    "g": 54,
    "b": 60
  },
  "hsl": {
    "h": 357.12,
    "s": 53.648,
    "l": 45.686
  },
  "oklch": {
    "l": 0.52026,
    "c": 0.16094,
    "h": 22.2
  },
  "luminance": 0.12548
}

Semantic roles & 50–950 ramp

primary

#B3363C

secondary

#80C5C2

accent

#DDD64B

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150907

muted

#837B7A

Preview Lab

Preview with #B3363C

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

Preview Lab → · Contrast checker → · Palette generator →