#B4361F#B4361F

#B4361F is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.166 H 32.6°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#B4361F
RGB	rgb(180, 54, 31)
HSL	hsl(9, 71%, 41%)
HSV	hsv(9, 83%, 71%)
CMYK	cmyk(0%, 70%, 82.8%, 29.4%)
CIE-LAB	lab(41.91, 49.70, 42.08)
CIE-LCH	lch(41.91, 65.12, 40.25°)
OKLab	oklab(51.82% 0.1401 0.0896)
OKLCH	oklch(51.82% 0.166 32.6)
XYZ	xyz(20.3913, 12.4437, 2.6242)
Luminance	0.1244 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4361F #1F9DB4

analogous

#B41F53 #B4361F #B4811F

triadic

#B4361F #1FB436 #361FB4

tetradic

#B4361F #53B41F #1F9DB4 #811FB4

square

#B4361F #53B41F #1F9DB4 #811FB4

split-complementary

#B4361F #1FB481 #1F53B4

monochromatic

#4C170D #802616 #B4361F #DC4E34 #E57C68

Accessibility & contrast

On white

6.02

#B4361F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B4361F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4361F

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4361F	#FFFFFF	#000000	##FFFFFF
##B4361F	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B511B

Deuteranopia (green-blind)

#7A6D19

Tritanopia (blue-blind)

#C60232

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b4361f;
/* rgb */ color: rgb(180, 54, 31);
/* oklch */ color: oklch(51.8% 0.166 32.6);

Tailwind

colors: {
  custom: {
    50: '#d4755d',
    500: '#b4361f',
    950: '#000000',
  },
}

SCSS

$custom: #b4361f;
$custom-light: #d4755d;
$custom-dark: #000000;

JSON

{
  "hex": "#b4361f",
  "rgb": {
    "r": 180,
    "g": 54,
    "b": 31
  },
  "hsl": {
    "h": 9.262,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.51823,
    "c": 0.16631,
    "h": 32.6
  },
  "luminance": 0.12441
}

Semantic roles & 50–950 ramp

primary

#B4361F

secondary

#64BBCB

accent

#D2ED3A

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B4361F

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

Preview Lab → · Contrast checker → · Palette generator →