#B4363D#B4363D

#B4363D is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.2% C 0.162 H 21.8°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#B4363D
RGB	rgb(180, 54, 61)
HSL	hsl(357, 54%, 46%)
HSV	hsv(357, 70%, 71%)
CMYK	cmyk(0%, 70%, 66.1%, 29.4%)
CIE-LAB	lab(42.28, 51.00, 25.42)
CIE-LCH	lch(42.28, 56.98, 26.49°)
OKLab	oklab(52.22% 0.1503 0.0601)
OKLCH	oklch(52.22% 0.162 21.8)
XYZ	xyz(20.9861, 12.6816, 5.7567)
Luminance	0.1268 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4363D #36B4AD

analogous

#B4367C #B4363D #B46E36

triadic

#B4363D #3DB436 #363DB4

tetradic

#B4363D #7CB436 #36B4AD #6E36B4

square

#B4363D #7CB436 #36B4AD #6E36B4

split-complementary

#B4363D #36B46E #367CB4

monochromatic

#561A1D #85282D #B4363D #CD5A60 #DC898D

Accessibility & contrast

On white

5.94

#B4363D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B4363D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4363D

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4363D	#FFFFFF	#000000	##FFFFFF
##B4363D	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59533C

Deuteranopia (green-blind)

#786E39

Tritanopia (blue-blind)

#C6113A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b4363d;
/* rgb */ color: rgb(180, 54, 61);
/* oklch */ color: oklch(52.2% 0.162 21.8);

Tailwind

colors: {
  custom: {
    50: '#d27572',
    500: '#b4363d',
    950: '#000000',
  },
}

SCSS

$custom: #b4363d;
$custom-light: #d27572;
$custom-dark: #000000;

JSON

{
  "hex": "#b4363d",
  "rgb": {
    "r": 180,
    "g": 54,
    "b": 61
  },
  "hsl": {
    "h": 356.667,
    "s": 53.846,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52215,
    "c": 0.16191,
    "h": 21.8
  },
  "luminance": 0.12679
}

Semantic roles & 50–950 ramp

primary

#B4363D

secondary

#80C6C2

accent

#DDD54B

background

#FDF7F6

surface

#FBEDEC

border

#D4C8C7

text

#150908

muted

#837B7B

Preview Lab

Preview with #B4363D

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

Preview Lab → · Contrast checker → · Palette generator →