#B4392B#B4392B

#B4392B is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.3% C 0.161 H 29.9°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#B4392B
RGB	rgb(180, 57, 43)
HSL	hsl(6, 61%, 44%)
HSV	hsv(6, 76%, 71%)
CMYK	cmyk(0%, 68.3%, 76.1%, 29.4%)
CIE-LAB	lab(42.47, 48.91, 36.23)
CIE-LCH	lch(42.47, 60.87, 36.53°)
OKLab	oklab(52.28% 0.14 0.0805)
OKLCH	oklch(52.28% 0.161 29.9)
XYZ	xyz(20.7239, 12.8070, 3.6658)
Luminance	0.1280 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B4392B #2BA6B4

analogous

#B42B61 #B4392B #B47D2B

triadic

#B4392B #2BB439 #392BB4

tetradic

#B4392B #61B42B #2BA6B4 #7D2BB4

square

#B4392B #61B42B #2BA6B4 #7D2BB4

split-complementary

#B4392B #2BB47D #2B61B4

monochromatic

#511A13 #83291F #B4392B #D35749 #DF847A

Accessibility & contrast

On white

5.90

#B4392B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#B4392B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B4392B

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B4392B	#FFFFFF	#000000	##FFFFFF
##B4392B	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5328

Deuteranopia (green-blind)

#7B6E26

Tritanopia (blue-blind)

#C61237

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #b4392b;
/* rgb */ color: rgb(180, 57, 43);
/* oklch */ color: oklch(52.3% 0.161 29.9);

Tailwind

colors: {
  custom: {
    50: '#d37765',
    500: '#b4392b',
    950: '#000000',
  },
}

SCSS

$custom: #b4392b;
$custom-light: #d37765;
$custom-dark: #000000;

JSON

{
  "hex": "#b4392b",
  "rgb": {
    "r": 180,
    "g": 57,
    "b": 43
  },
  "hsl": {
    "h": 6.131,
    "s": 61.435,
    "l": 43.725
  },
  "oklch": {
    "l": 0.52278,
    "c": 0.16149,
    "h": 29.9
  },
  "luminance": 0.12804
}

Semantic roles & 50–950 ramp

primary

#B4392B

secondary

#73BFC7

accent

#D4E543

background

#FEF7F6

surface

#FCEDEB

border

#D5C8C6

text

#160906

muted

#847B7A

Preview Lab

Preview with #B4392B

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

Preview Lab → · Contrast checker → · Palette generator →