#B4422B#B4422B
#B4422B is a mid, vivid red. Relative luminance 0.138; OKLCH L 53.4% C 0.153 H 33.3°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).
Color values
| HEX | #B4422B |
|---|---|
| RGB | rgb(180, 66, 43) |
| HSL | hsl(10, 61%, 44%) |
| HSV | hsv(10, 76%, 71%) |
| CMYK | cmyk(0%, 63.3%, 76.1%, 29.4%) |
| CIE-LAB | lab(43.91, 45.03, 37.78) |
| CIE-LCH | lch(43.91, 58.78, 40.00°) |
| OKLab | oklab(53.36% 0.1279 0.0839) |
| OKLCH | oklch(53.36% 0.153 33.3) |
| XYZ | xyz(21.2089, 13.7772, 3.8275) |
| Luminance | 0.1377 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 5.15
Brick
#A03623
ΔE00 5.15
Brownish Red
#9E3623
ΔE00 5.50
Rust
#B7410E
ΔE00 6.04
Firebrick
#B22222
ΔE00 6.24
Dull Red
#BB3F3F
ΔE00 6.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B4422B #2B9DB4
analogous
#B42B58 #B4422B #B4862B
triadic
#B4422B #2BB442 #422BB4
tetradic
#B4422B #58B42B #2B9DB4 #862BB4
square
#B4422B #58B42B #2B9DB4 #862BB4
split-complementary
#B4422B #2BB486 #2B58B4
monochromatic
#511E13 #83301F #B4422B #D36049 #DF8B7A
Accessibility & contrast
On white
5.59
#B4422B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.75
#B4422B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B4422B
5.59:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B4422B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B4422B | 1.00 | 5.59 | 3.75 | 5.59 |
| #FFFFFF | 5.59 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.59 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#625828
Deuteranopia (green-blind)
#7E7127
Tritanopia (blue-blind)
#C6253D
Achromatopsia (no color)
#686868
Design tokens & code
CSS
--color: #b4422b; /* rgb */ color: rgb(180, 66, 43); /* oklch */ color: oklch(53.4% 0.153 33.3);
Tailwind
colors: {
custom: {
50: '#d27b66',
500: '#b4422b',
950: '#000000',
},
}SCSS
$custom: #b4422b; $custom-light: #d27b66; $custom-dark: #000000;
JSON
{
"hex": "#b4422b",
"rgb": {
"r": 180,
"g": 66,
"b": 43
},
"hsl": {
"h": 10.073,
"s": 61.435,
"l": 43.725
},
"oklch": {
"l": 0.53361,
"c": 0.15295,
"h": 33.3
},
"luminance": 0.13774
}Semantic roles & 50–950 ramp
primary
#B4422B
secondary
#73B9C7
accent
#C9E543
background
#FEF7F6
surface
#FCEEEB
border
#D5C9C6
text
#160A06
muted
#847C7A