#B4364B#B4364B

#B4364B is a mid, vivid red. Relative luminance 0.129; OKLCH L 52.5% C 0.162 H 15.2°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#B4364B
RGB	rgb(180, 54, 75)
HSL	hsl(350, 54%, 46%)
HSV	hsv(350, 70%, 71%)
CMYK	cmyk(0%, 70%, 58.3%, 29.4%)
CIE-LAB	lab(42.54, 51.91, 17.13)
CIE-LCH	lch(42.54, 54.67, 18.27°)
OKLab	oklab(52.49% 0.1559 0.0423)
OKLCH	oklch(52.49% 0.162 15.2)
XYZ	xyz(21.4136, 12.8526, 8.0085)
Luminance	0.1285 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4364B #36B49F

analogous

#B4368A #B4364B #B46036

triadic

#B4364B #4BB436 #364BB4

tetradic

#B4364B #8AB436 #36B49F #6036B4

square

#B4364B #8AB436 #36B49F #6036B4

split-complementary

#B4364B #36B460 #368AB4

monochromatic

#561A24 #852837 #B4364B #CD5A6D #DC8997

Accessibility & contrast

On white

5.88

#B4364B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#B4364B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4364B

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4364B	#FFFFFF	#000000	##FFFFFF
##B4364B	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56544B

Deuteranopia (green-blind)

#776E48

Tritanopia (blue-blind)

#C5183F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b4364b;
/* rgb */ color: rgb(180, 54, 75);
/* oklch */ color: oklch(52.5% 0.162 15.2);

Tailwind

colors: {
  custom: {
    50: '#d1767d',
    500: '#b4364b',
    950: '#000000',
  },
}

SCSS

$custom: #b4364b;
$custom-light: #d1767d;
$custom-dark: #000000;

JSON

{
  "hex": "#b4364b",
  "rgb": {
    "r": 180,
    "g": 54,
    "b": 75
  },
  "hsl": {
    "h": 350,
    "s": 53.846,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52493,
    "c": 0.16153,
    "h": 15.2
  },
  "luminance": 0.1285
}

Semantic roles & 50–950 ramp

primary

#B4364B

secondary

#80C6BA

accent

#DDC54B

background

#FDF7F7

surface

#FBEDEE

border

#D4C8C9

text

#150909

muted

#837B7B

Preview Lab

Preview with #B4364B

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

Preview Lab → · Contrast checker → · Palette generator →