#B13A22#B13A22
#B13A22 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.8% C 0.159 H 33.3°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).
Color values
| HEX | #B13A22 |
|---|---|
| RGB | rgb(177, 58, 34) |
| HSL | hsl(10, 68%, 41%) |
| HSV | hsv(10, 81%, 69%) |
| CMYK | cmyk(0%, 67.2%, 80.8%, 30.6%) |
| CIE-LAB | lab(41.99, 47.13, 40.43) |
| CIE-LCH | lch(41.99, 62.09, 40.62°) |
| OKLab | oklab(51.79% 0.133 0.0872) |
| OKLCH | oklch(51.79% 0.159 33.3) |
| XYZ | xyz(19.9355, 12.4917, 2.8745) |
| Luminance | 0.1249 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 3.32
Brick
#A03623
ΔE00 3.85
Brownish Red
#9E3623
ΔE00 4.22
Rust Red
#AA2704
ΔE00 4.78
Firebrick
#B22222
ΔE00 5.26
Rust
#B7410E
ΔE00 5.74
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B13A22 #2299B1
analogous
#B12252 #B13A22 #B18222
triadic
#B13A22 #22B13A #3A22B1
tetradic
#B13A22 #52B122 #2299B1 #8222B1
square
#B13A22 #52B122 #2299B1 #8222B1
split-complementary
#B13A22 #22B182 #2252B1
monochromatic
#4A180E #7E2918 #B13A22 #D95338 #E37F6B
Accessibility & contrast
On white
6.00
#B13A22 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.50
#B13A22 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B13A22
6.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B13A22 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B13A22 | 1.00 | 6.00 | 3.50 | 6.00 |
| #FFFFFF | 6.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C521E
Deuteranopia (green-blind)
#7A6D1D
Tritanopia (blue-blind)
#C31535
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b13a22; /* rgb */ color: rgb(177, 58, 34); /* oklch */ color: oklch(51.8% 0.159 33.3);
Tailwind
colors: {
custom: {
50: '#d1775f',
500: '#b13a22',
950: '#000000',
},
}SCSS
$custom: #b13a22; $custom-light: #d1775f; $custom-dark: #000000;
JSON
{
"hex": "#b13a22",
"rgb": {
"r": 177,
"g": 58,
"b": 34
},
"hsl": {
"h": 10.07,
"s": 67.773,
"l": 41.373
},
"oklch": {
"l": 0.51785,
"c": 0.15907,
"h": 33.3
},
"luminance": 0.12489
}Semantic roles & 50–950 ramp
primary
#B13A22
secondary
#66B8C9
accent
#CEEB3D
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160905
muted
#847B79