#B3291A#B3291A

#B3291A is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.3% C 0.177 H 30.3°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#B3291A
RGB	rgb(179, 41, 26)
HSL	hsl(6, 75%, 40%)
HSV	hsv(6, 85%, 70%)
CMYK	cmyk(0%, 77.1%, 85.5%, 29.8%)
CIE-LAB	lab(39.99, 53.91, 42.76)
CIE-LCH	lch(39.99, 68.80, 38.42°)
OKLab	oklab(50.34% 0.1524 0.0892)
OKLCH	oklch(50.34% 0.177 30.3)
XYZ	xyz(19.5722, 11.2473, 2.1175)
Luminance	0.1124 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3291A #1AA4B3

analogous

#B31A58 #B3291A #B3751A

triadic

#B3291A #1AB329 #291AB3

tetradic

#B3291A #58B31A #1AA4B3 #751AB3

square

#B3291A #58B31A #1AA4B3 #751AB3

split-complementary

#B3291A #1AB375 #1A58B3

monochromatic

#48110A #7E1D12 #B3291A #E03C2A #E86D60

Accessibility & contrast

On white

6.46

#B3291A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#B3291A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3291A

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3291A	#FFFFFF	#000000	##FFFFFF
##B3291A	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)

#554B16

Deuteranopia (green-blind)

#766911

Tritanopia (blue-blind)

#C60027

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #b3291a;
/* rgb */ color: rgb(179, 41, 26);
/* oklch */ color: oklch(50.3% 0.177 30.3);

Tailwind

colors: {
  custom: {
    50: '#d46f59',
    500: '#b3291a',
    950: '#000000',
  },
}

SCSS

$custom: #b3291a;
$custom-light: #d46f59;
$custom-dark: #000000;

JSON

{
  "hex": "#b3291a",
  "rgb": {
    "r": 179,
    "g": 41,
    "b": 26
  },
  "hsl": {
    "h": 5.882,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50342,
    "c": 0.17662,
    "h": 30.3
  },
  "luminance": 0.11244
}

Semantic roles & 50–950 ramp

primary

#B3291A

secondary

#5DC1CC

accent

#DFF137

background

#FEF7F5

surface

#FDEDE9

border

#D5C8C5

text

#160804

muted

#847B79

Preview Lab

Preview with #B3291A

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

Preview Lab → · Contrast checker → · Palette generator →