#B4391A#B4391A

#B4391A is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.1% C 0.165 H 34.8°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#B4391A
RGB	rgb(180, 57, 26)
HSL	hsl(12, 75%, 40%)
HSV	hsv(12, 86%, 71%)
CMYK	cmyk(0%, 68.3%, 85.6%, 29.4%)
CIE-LAB	lab(42.32, 48.35, 44.85)
CIE-LCH	lch(42.32, 65.95, 42.85°)
OKLab	oklab(52.12% 0.1351 0.0939)
OKLCH	oklch(52.12% 0.165 34.8)
XYZ	xyz(20.4744, 12.7072, 2.3517)
Luminance	0.1270 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4391A #1A95B4

analogous

#B41A48 #B4391A #B4861A

triadic

#B4391A #1AB439 #391AB4

tetradic

#B4391A #48B41A #1A95B4 #861AB4

square

#B4391A #48B41A #1A95B4 #861AB4

split-complementary

#B4391A #1AB486 #1A48B4

monochromatic

#49170B #7F2812 #B4391A #E04F2B #E87C60

Accessibility & contrast

On white

5.93

#B4391A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B4391A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4391A

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4391A	#FFFFFF	#000000	##FFFFFF
##B4391A	1.00	5.93	3.54	5.93
#FFFFFF	5.93	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5314

Deuteranopia (green-blind)

#7C6E13

Tritanopia (blue-blind)

#C70C33

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b4391a;
/* rgb */ color: rgb(180, 57, 26);
/* oklch */ color: oklch(52.1% 0.165 34.8);

Tailwind

colors: {
  custom: {
    50: '#d4765a',
    500: '#b4391a',
    950: '#000000',
  },
}

SCSS

$custom: #b4391a;
$custom-light: #d4765a;
$custom-dark: #000000;

JSON

{
  "hex": "#b4391a",
  "rgb": {
    "r": 180,
    "g": 57,
    "b": 26
  },
  "hsl": {
    "h": 12.078,
    "s": 74.757,
    "l": 40.392
  },
  "oklch": {
    "l": 0.52116,
    "c": 0.16454,
    "h": 34.8
  },
  "luminance": 0.12704
}

Semantic roles & 50–950 ramp

primary

#B4391A

secondary

#5DB6CC

accent

#CCF136

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B4391A

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

Preview Lab → · Contrast checker → · Palette generator →