#B3291C#B3291C

#B3291C is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.4% C 0.176 H 29.9°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#B3291C
RGB	rgb(179, 41, 28)
HSL	hsl(5, 73%, 41%)
HSV	hsv(5, 84%, 70%)
CMYK	cmyk(0%, 77.1%, 84.4%, 29.8%)
CIE-LAB	lab(40.01, 53.96, 41.77)
CIE-LCH	lch(40.01, 68.24, 37.75°)
OKLab	oklab(50.36% 0.153 0.0878)
OKLCH	oklch(50.36% 0.176 29.9)
XYZ	xyz(19.5954, 11.2566, 2.2394)
Luminance	0.1125 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3291C #1CA6B3

analogous

#B31C5A #B3291C #B3751C

triadic

#B3291C #1CB329 #291CB3

tetradic

#B3291C #5AB31C #1CA6B3 #751CB3

square

#B3291C #5AB31C #1CA6B3 #751CB3

split-complementary

#B3291C #1CB375 #1C5AB3

monochromatic

#49110B #7E1D14 #B3291C #DE3D2E #E76E63

Accessibility & contrast

On white

6.46

#B3291C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#B3291C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3291C

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3291C	#FFFFFF	#000000	##FFFFFF
##B3291C	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B18

Deuteranopia (green-blind)

#766914

Tritanopia (blue-blind)

#C60028

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b3291c;
/* rgb */ color: rgb(179, 41, 28);
/* oklch */ color: oklch(50.4% 0.176 29.9);

Tailwind

colors: {
  custom: {
    50: '#d46f5a',
    500: '#b3291c',
    950: '#000000',
  },
}

SCSS

$custom: #b3291c;
$custom-light: #d46f5a;
$custom-dark: #000000;

JSON

{
  "hex": "#b3291c",
  "rgb": {
    "r": 179,
    "g": 41,
    "b": 28
  },
  "hsl": {
    "h": 5.166,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.50359,
    "c": 0.17636,
    "h": 29.9
  },
  "luminance": 0.11253
}

Semantic roles & 50–950 ramp

primary

#B3291C

secondary

#5FC2CB

accent

#E0F038

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B3291C

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

Preview Lab → · Contrast checker → · Palette generator →