#B4361B#B4361B

#B4361B is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.167 H 33.6°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#B4361B
RGB	rgb(180, 54, 27)
HSL	hsl(11, 74%, 41%)
HSV	hsv(11, 85%, 71%)
CMYK	cmyk(0%, 70%, 85%, 29.4%)
CIE-LAB	lab(41.88, 49.59, 44.00)
CIE-LCH	lch(41.88, 66.30, 41.59°)
OKLab	oklab(51.79% 0.1391 0.0923)
OKLCH	oklch(51.79% 0.167 33.6)
XYZ	xyz(20.3418, 12.4239, 2.3637)
Luminance	0.1242 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4361B #1B99B4

analogous

#B41B4D #B4361B #B4821B

triadic

#B4361B #1BB436 #361BB4

tetradic

#B4361B #4DB41B #1B99B4 #821BB4

square

#B4361B #4DB41B #1B99B4 #821BB4

split-complementary

#B4361B #1BB482 #1B4DB4

monochromatic

#4A160B #7F2613 #B4361B #DF4C2D #E77A62

Accessibility & contrast

On white

6.03

#B4361B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#B4361B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4361B

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4361B	#FFFFFF	#000000	##FFFFFF
##B4361B	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5116

Deuteranopia (green-blind)

#7B6D14

Tritanopia (blue-blind)

#C70131

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b4361b;
/* rgb */ color: rgb(180, 54, 27);
/* oklch */ color: oklch(51.8% 0.167 33.6);

Tailwind

colors: {
  custom: {
    50: '#d4755b',
    500: '#b4361b',
    950: '#000000',
  },
}

SCSS

$custom: #b4361b;
$custom-light: #d4755b;
$custom-dark: #000000;

JSON

{
  "hex": "#b4361b",
  "rgb": {
    "r": 180,
    "g": 54,
    "b": 27
  },
  "hsl": {
    "h": 10.588,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.5179,
    "c": 0.16697,
    "h": 33.6
  },
  "luminance": 0.12421
}

Semantic roles & 50–950 ramp

primary

#B4361B

secondary

#5FB9CC

accent

#D0F137

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B4361B

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

Preview Lab → · Contrast checker → · Palette generator →