#B4401C#B4401C

#B4401C is a mid, vivid red. Relative luminance 0.135; OKLCH L 53.0% C 0.158 H 36.9°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#B4401C
RGB	rgb(180, 64, 28)
HSL	hsl(14, 73%, 41%)
HSV	hsv(14, 84%, 71%)
CMYK	cmyk(0%, 64.4%, 84.4%, 29.4%)
CIE-LAB	lab(43.44, 45.41, 44.92)
CIE-LCH	lch(43.44, 63.87, 44.69°)
OKLab	oklab(52.97% 0.1264 0.0948)
OKLCH	oklch(52.97% 0.158 36.9)
XYZ	xyz(20.8678, 13.4570, 2.5970)
Luminance	0.1345 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4401C #1C90B4

analogous

#B41C44 #B4401C #B48C1C

triadic

#B4401C #1CB440 #401CB4

tetradic

#B4401C #44B41C #1C90B4 #8C1CB4

square

#B4401C #44B41C #1C90B4 #8C1CB4

split-complementary

#B4401C #1CB48C #1C44B4

monochromatic

#4A1A0C #7F2D14 #B4401C #DF582F #E78364

Accessibility & contrast

On white

5.69

#B4401C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#B4401C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4401C

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4401C	#FFFFFF	#000000	##FFFFFF
##B4401C	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625616

Deuteranopia (green-blind)

#7E7016

Tritanopia (blue-blind)

#C61F39

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b4401c;
/* rgb */ color: rgb(180, 64, 28);
/* oklch */ color: oklch(53.0% 0.158 36.9);

Tailwind

colors: {
  custom: {
    50: '#d37a5c',
    500: '#b4401c',
    950: '#000000',
  },
}

SCSS

$custom: #b4401c;
$custom-light: #d37a5c;
$custom-dark: #000000;

JSON

{
  "hex": "#b4401c",
  "rgb": {
    "r": 180,
    "g": 64,
    "b": 28
  },
  "hsl": {
    "h": 14.211,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.52967,
    "c": 0.158,
    "h": 36.9
  },
  "luminance": 0.13454
}

Semantic roles & 50–950 ramp

primary

#B4401C

secondary

#60B2CC

accent

#C4F038

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160A04

muted

#847C79

Preview Lab

Preview with #B4401C

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

Preview Lab → · Contrast checker → · Palette generator →