#B4291C#B4291C

#B4291C is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.5% C 0.177 H 29.8°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#B4291C
RGB	rgb(180, 41, 28)
HSL	hsl(5, 73%, 41%)
HSV	hsv(5, 84%, 71%)
CMYK	cmyk(0%, 77.2%, 84.4%, 29.4%)
CIE-LAB	lab(40.21, 54.27, 42.02)
CIE-LCH	lch(40.21, 68.64, 37.75°)
OKLab	oklab(50.54% 0.1538 0.0883)
OKLCH	oklch(50.54% 0.177 29.8)
XYZ	xyz(19.8274, 11.3762, 2.2502)
Luminance	0.1137 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4291C #1CA7B4

analogous

#B41C5B #B4291C #B4751C

triadic

#B4291C #1CB429 #291CB4

tetradic

#B4291C #5BB41C #1CA7B4 #751CB4

square

#B4291C #5BB41C #1CA7B4 #751CB4

split-complementary

#B4291C #1CB475 #1C5BB4

monochromatic

#4A110C #7F1D14 #B4291C #DF3E2F #E76F64

Accessibility & contrast

On white

6.41

#B4291C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#B4291C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4291C

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4291C	#FFFFFF	#000000	##FFFFFF
##B4291C	1.00	6.41	3.27	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554B18

Deuteranopia (green-blind)

#776A14

Tritanopia (blue-blind)

#C70028

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b4291c;
/* rgb */ color: rgb(180, 41, 28);
/* oklch */ color: oklch(50.5% 0.177 29.8);

Tailwind

colors: {
  custom: {
    50: '#d46f5a',
    500: '#b4291c',
    950: '#000000',
  },
}

SCSS

$custom: #b4291c;
$custom-light: #d46f5a;
$custom-dark: #000000;

JSON

{
  "hex": "#b4291c",
  "rgb": {
    "r": 180,
    "g": 41,
    "b": 28
  },
  "hsl": {
    "h": 5.132,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.50541,
    "c": 0.17733,
    "h": 29.8
  },
  "luminance": 0.11373
}

Semantic roles & 50–950 ramp

primary

#B4291C

secondary

#60C2CC

accent

#E0F038

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B4291C

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

Preview Lab → · Contrast checker → · Palette generator →