#B3391A#B3391A

#B3391A is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.9% C 0.164 H 34.9°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#B3391A
RGB	rgb(179, 57, 26)
HSL	hsl(12, 75%, 40%)
HSV	hsv(12, 85%, 70%)
CMYK	cmyk(0%, 68.2%, 85.5%, 29.8%)
CIE-LAB	lab(42.14, 48.01, 44.62)
CIE-LCH	lch(42.14, 65.54, 42.91°)
OKLab	oklab(51.94% 0.1342 0.0935)
OKLCH	oklch(51.94% 0.164 34.9)
XYZ	xyz(20.2424, 12.5876, 2.3409)
Luminance	0.1258 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3391A #1A94B3

analogous

#B31A47 #B3391A #B3861A

triadic

#B3391A #1AB339 #391AB3

tetradic

#B3391A #47B31A #1A94B3 #861AB3

square

#B3391A #47B31A #1A94B3 #861AB3

split-complementary

#B3391A #1AB386 #1A47B3

monochromatic

#48170A #7E2812 #B3391A #E04F2A #E87B60

Accessibility & contrast

On white

5.97

#B3391A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#B3391A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3391A

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3391A	#FFFFFF	#000000	##FFFFFF
##B3391A	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5214

Deuteranopia (green-blind)

#7B6D13

Tritanopia (blue-blind)

#C50E33

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b3391a;
/* rgb */ color: rgb(179, 57, 26);
/* oklch */ color: oklch(51.9% 0.164 34.9);

Tailwind

colors: {
  custom: {
    50: '#d3765a',
    500: '#b3391a',
    950: '#000000',
  },
}

SCSS

$custom: #b3391a;
$custom-light: #d3765a;
$custom-dark: #000000;

JSON

{
  "hex": "#b3391a",
  "rgb": {
    "r": 179,
    "g": 57,
    "b": 26
  },
  "hsl": {
    "h": 12.157,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.51944,
    "c": 0.1635,
    "h": 34.9
  },
  "luminance": 0.12585
}

Semantic roles & 50–950 ramp

primary

#B3391A

secondary

#5DB6CC

accent

#CBF137

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B3391A

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

Preview Lab → · Contrast checker → · Palette generator →