#B4392A#B4392A
#B4392A is a mid, vivid red. Relative luminance 0.128; OKLCH L 52.3% C 0.162 H 30.3°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).
Color values
| HEX | #B4392A |
|---|---|
| RGB | rgb(180, 57, 42) |
| HSL | hsl(7, 62%, 44%) |
| HSV | hsv(7, 77%, 71%) |
| CMYK | cmyk(0%, 68.3%, 76.7%, 29.4%) |
| CIE-LAB | lab(42.46, 48.87, 36.78) |
| CIE-LCH | lch(42.46, 61.16, 36.96°) |
| OKLab | oklab(52.27% 0.1397 0.0815) |
| OKLCH | oklch(52.27% 0.162 30.3) |
| XYZ | xyz(20.7058, 12.7998, 3.5704) |
| Luminance | 0.1280 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 3.91
Brick
#A03623
ΔE00 4.29
Brownish Red
#9E3623
ΔE00 4.67
Scarlet
#BE0119
ΔE00 5.11
Dull Red
#BB3F3F
ΔE00 5.41
Rusty Red
#AF2F0D
ΔE00 5.43
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B4392A #2AA5B4
analogous
#B42A60 #B4392A #B47E2A
triadic
#B4392A #2AB439 #392AB4
tetradic
#B4392A #60B42A #2AA5B4 #7E2AB4
square
#B4392A #60B42A #2AA5B4 #7E2AB4
split-complementary
#B4392A #2AB47E #2A60B4
monochromatic
#511A13 #82291E #B4392A #D45647 #E08479
Accessibility & contrast
On white
5.90
#B4392A on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.56
#B4392A on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B4392A
5.90:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B4392A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B4392A | 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)
#5C5327
Deuteranopia (green-blind)
#7B6E25
Tritanopia (blue-blind)
#C61136
Achromatopsia (no color)
#646464
Design tokens & code
CSS
--color: #b4392a; /* rgb */ color: rgb(180, 57, 42); /* oklch */ color: oklch(52.3% 0.162 30.3);
Tailwind
colors: {
custom: {
50: '#d37664',
500: '#b4392a',
950: '#000000',
},
}SCSS
$custom: #b4392a; $custom-light: #d37664; $custom-dark: #000000;
JSON
{
"hex": "#b4392a",
"rgb": {
"r": 180,
"g": 57,
"b": 42
},
"hsl": {
"h": 6.522,
"s": 62.162,
"l": 43.529
},
"oklch": {
"l": 0.52267,
"c": 0.16168,
"h": 30.3
},
"luminance": 0.12797
}Semantic roles & 50–950 ramp
primary
#B4392A
secondary
#72BEC8
accent
#D4E543
background
#FEF7F6
surface
#FCEDEB
border
#D5C8C6
text
#160905
muted
#847B7A