#B4411B#B4411B

#B4411B is a mid, vivid red. Relative luminance 0.136; OKLCH L 53.1% C 0.157 H 37.5°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#B4411B
RGB	rgb(180, 65, 27)
HSL	hsl(15, 74%, 41%)
HSV	hsv(15, 85%, 71%)
CMYK	cmyk(0%, 63.9%, 85%, 29.4%)
CIE-LAB	lab(43.60, 44.94, 45.51)
CIE-LCH	lch(43.60, 63.96, 45.37°)
OKLab	oklab(53.09% 0.1248 0.0958)
OKLCH	oklch(53.09% 0.157 37.5)
XYZ	xyz(20.9129, 13.5661, 2.5540)
Luminance	0.1356 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4411B #1B8EB4

analogous

#B41B41 #B4411B #B48D1B

triadic

#B4411B #1BB441 #411BB4

tetradic

#B4411B #41B41B #1B8EB4 #8D1BB4

square

#B4411B #41B41B #1B8EB4 #8D1BB4

split-complementary

#B4411B #1BB48D #1B41B4

monochromatic

#4A1B0B #7F2E13 #B4411B #DF592D #E78362

Accessibility & contrast

On white

5.66

#B4411B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#B4411B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4411B

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4411B	#FFFFFF	#000000	##FFFFFF
##B4411B	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625714

Deuteranopia (green-blind)

#7F7115

Tritanopia (blue-blind)

#C6213A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #b4411b;
/* rgb */ color: rgb(180, 65, 27);
/* oklch */ color: oklch(53.1% 0.157 37.5);

Tailwind

colors: {
  custom: {
    50: '#d37b5b',
    500: '#b4411b',
    950: '#000000',
  },
}

SCSS

$custom: #b4411b;
$custom-light: #d37b5b;
$custom-dark: #000000;

JSON

{
  "hex": "#b4411b",
  "rgb": {
    "r": 180,
    "g": 65,
    "b": 27
  },
  "hsl": {
    "h": 14.902,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.53085,
    "c": 0.1573,
    "h": 37.5
  },
  "luminance": 0.13563
}

Semantic roles & 50–950 ramp

primary

#B4411B

secondary

#5FB1CC

accent

#C3F137

background

#FEF7F5

surface

#FCEEE9

border

#D5C9C5

text

#160A04

muted

#847C79

Preview Lab

Preview with #B4411B

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

Preview Lab → · Contrast checker → · Palette generator →