#B4391C#B4391C

#B4391C is a mid, vivid red. Relative luminance 0.127; OKLCH L 52.1% C 0.164 H 34.3°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).

Color values

HEX	#B4391C
RGB	rgb(180, 57, 28)
HSL	hsl(11, 73%, 41%)
HSV	hsv(11, 84%, 71%)
CMYK	cmyk(0%, 68.3%, 84.4%, 29.4%)
CIE-LAB	lab(42.33, 48.41, 43.93)
CIE-LCH	lch(42.33, 65.37, 42.22°)
OKLab	oklab(52.13% 0.1356 0.0926)
OKLCH	oklch(52.13% 0.164 34.3)
XYZ	xyz(20.4975, 12.7165, 2.4736)
Luminance	0.1271 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4391C #1C97B4

analogous

#B41C4B #B4391C #B4851C

triadic

#B4391C #1CB439 #391CB4

tetradic

#B4391C #4BB41C #1C97B4 #851CB4

square

#B4391C #4BB41C #1C97B4 #851CB4

split-complementary

#B4391C #1CB485 #1C4BB4

monochromatic

#4A170C #7F2814 #B4391C #DF502F #E77D64

Accessibility & contrast

On white

5.93

#B4391C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#B4391C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4391C

5.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4391C	#FFFFFF	#000000	##FFFFFF
##B4391C	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)

#5D5317

Deuteranopia (green-blind)

#7C6E15

Tritanopia (blue-blind)

#C60D34

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b4391c;
/* rgb */ color: rgb(180, 57, 28);
/* oklch */ color: oklch(52.1% 0.164 34.3);

Tailwind

colors: {
  custom: {
    50: '#d4765b',
    500: '#b4391c',
    950: '#000000',
  },
}

SCSS

$custom: #b4391c;
$custom-light: #d4765b;
$custom-dark: #000000;

JSON

{
  "hex": "#b4391c",
  "rgb": {
    "r": 180,
    "g": 57,
    "b": 28
  },
  "hsl": {
    "h": 11.447,
    "s": 73.077,
    "l": 40.784
  },
  "oklch": {
    "l": 0.52131,
    "c": 0.1642,
    "h": 34.3
  },
  "luminance": 0.12713
}

Semantic roles & 50–950 ramp

primary

#B4391C

secondary

#60B7CC

accent

#CDF038

background

#FEF7F5

surface

#FCEDE9

border

#D5C8C5

text

#160904

muted

#847B79

Preview Lab

Preview with #B4391C

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

Preview Lab → · Contrast checker → · Palette generator →