#B3381A#B3381A

#B3381A is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.8% C 0.164 H 34.5°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#B3381A
RGB	rgb(179, 56, 26)
HSL	hsl(12, 75%, 40%)
HSV	hsv(12, 85%, 70%)
CMYK	cmyk(0%, 68.7%, 85.5%, 29.8%)
CIE-LAB	lab(41.98, 48.42, 44.49)
CIE-LCH	lch(41.98, 65.76, 42.58°)
OKLab	oklab(51.83% 0.1354 0.0932)
OKLCH	oklch(51.83% 0.164 34.5)
XYZ	xyz(20.1934, 12.4897, 2.3246)
Luminance	0.1249 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B3381A #1A95B3

analogous

#B31A48 #B3381A #B3851A

triadic

#B3381A #1AB338 #381AB3

tetradic

#B3381A #48B31A #1A95B3 #851AB3

square

#B3381A #48B31A #1A95B3 #851AB3

split-complementary

#B3381A #1AB385 #1A48B3

monochromatic

#48170A #7E2712 #B3381A #E04E2A #E87A60

Accessibility & contrast

On white

6.00

#B3381A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#B3381A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B3381A

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B3381A	#FFFFFF	#000000	##FFFFFF
##B3381A	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5214

Deuteranopia (green-blind)

#7B6D13

Tritanopia (blue-blind)

#C50A33

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #b3381a;
/* rgb */ color: rgb(179, 56, 26);
/* oklch */ color: oklch(51.8% 0.164 34.5);

Tailwind

colors: {
  custom: {
    50: '#d3765a',
    500: '#b3381a',
    950: '#000000',
  },
}

SCSS

$custom: #b3381a;
$custom-light: #d3765a;
$custom-dark: #000000;

JSON

{
  "hex": "#b3381a",
  "rgb": {
    "r": 179,
    "g": 56,
    "b": 26
  },
  "hsl": {
    "h": 11.765,
    "s": 74.634,
    "l": 40.196
  },
  "oklch": {
    "l": 0.51831,
    "c": 0.16438,
    "h": 34.5
  },
  "luminance": 0.12487
}

Semantic roles & 50–950 ramp

primary

#B3381A

secondary

#5DB6CC

accent

#CDF137

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B3381A

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

Preview Lab → · Contrast checker → · Palette generator →