#B4361C#B4361C

#B4361C is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.8% C 0.167 H 33.3°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#B4361C
RGB	rgb(180, 54, 28)
HSL	hsl(10, 73%, 41%)
HSV	hsv(10, 84%, 71%)
CMYK	cmyk(0%, 70%, 84.4%, 29.4%)
CIE-LAB	lab(41.89, 49.61, 43.53)
CIE-LCH	lch(41.89, 66.01, 41.27°)
OKLab	oklab(51.8% 0.1394 0.0917)
OKLCH	oklch(51.8% 0.167 33.3)
XYZ	xyz(20.3536, 12.4286, 2.4256)
Luminance	0.1242 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4361C #1C9AB4

analogous

#B41C4E #B4361C #B4821C

triadic

#B4361C #1CB436 #361CB4

tetradic

#B4361C #4EB41C #1C9AB4 #821CB4

square

#B4361C #4EB41C #1C9AB4 #821CB4

split-complementary

#B4361C #1CB482 #1C4EB4

monochromatic

#4A160C #7F2614 #B4361C #DF4D2F #E77A64

Accessibility & contrast

On white

6.03

#B4361C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#B4361C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4361C

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4361C	#FFFFFF	#000000	##FFFFFF
##B4361C	1.00	6.03	3.49	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5117

Deuteranopia (green-blind)

#7B6D15

Tritanopia (blue-blind)

#C70131

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b4361c;
/* rgb */ color: rgb(180, 54, 28);
/* oklch */ color: oklch(51.8% 0.167 33.3);

Tailwind

colors: {
  custom: {
    50: '#d4755b',
    500: '#b4361c',
    950: '#000000',
  },
}

SCSS

$custom: #b4361c;
$custom-light: #d4755b;
$custom-dark: #000000;

JSON

{
  "hex": "#b4361c",
  "rgb": {
    "r": 180,
    "g": 54,
    "b": 28
  },
  "hsl": {
    "h": 10.263,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.51798,
    "c": 0.1668,
    "h": 33.3
  },
  "luminance": 0.12425
}

Semantic roles & 50–950 ramp

primary

#B4361C

secondary

#60B9CC

accent

#D0F038

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B4361C

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

Preview Lab → · Contrast checker → · Palette generator →