#B4363F#B4363F

#B4363F is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.3% C 0.162 H 20.9°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#B4363F
RGB	rgb(180, 54, 63)
HSL	hsl(356, 54%, 46%)
HSV	hsv(356, 70%, 71%)
CMYK	cmyk(0%, 70%, 65%, 29.4%)
CIE-LAB	lab(42.31, 51.12, 24.24)
CIE-LCH	lch(42.31, 56.57, 25.37°)
OKLab	oklab(52.25% 0.1511 0.0577)
OKLCH	oklch(52.25% 0.162 20.9)
XYZ	xyz(21.0409, 12.7035, 6.0457)
Luminance	0.1270 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4363F #36B4AB

analogous

#B4367E #B4363F #B46C36

triadic

#B4363F #3FB436 #363FB4

tetradic

#B4363F #7EB436 #36B4AB #6C36B4

square

#B4363F #7EB436 #36B4AB #6C36B4

split-complementary

#B4363F #36B46C #367EB4

monochromatic

#561A1E #85282F #B4363F #CD5A62 #DC898F

Accessibility & contrast

On white

5.93

#B4363F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B4363F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4363F

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4363F	#FFFFFF	#000000	##FFFFFF
##B4363F	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58533E

Deuteranopia (green-blind)

#786E3B

Tritanopia (blue-blind)

#C5123A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b4363f;
/* rgb */ color: rgb(180, 54, 63);
/* oklch */ color: oklch(52.3% 0.162 20.9);

Tailwind

colors: {
  custom: {
    50: '#d27574',
    500: '#b4363f',
    950: '#000000',
  },
}

SCSS

$custom: #b4363f;
$custom-light: #d27574;
$custom-dark: #000000;

JSON

{
  "hex": "#b4363f",
  "rgb": {
    "r": 180,
    "g": 54,
    "b": 63
  },
  "hsl": {
    "h": 355.714,
    "s": 53.846,
    "l": 45.882
  },
  "oklch": {
    "l": 0.52251,
    "c": 0.16175,
    "h": 20.9
  },
  "luminance": 0.12701
}

Semantic roles & 50–950 ramp

primary

#B4363F

secondary

#80C6C1

accent

#DDD34B

background

#FDF7F7

surface

#FBEDED

border

#D4C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #B4363F

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

Preview Lab → · Contrast checker → · Palette generator →