#B33918#B33918
#B33918 is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.9% C 0.164 H 35.3°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).
Color values
| HEX | #B33918 |
|---|---|
| RGB | rgb(179, 57, 24) |
| HSL | hsl(13, 76%, 40%) |
| HSV | hsv(13, 87%, 70%) |
| CMYK | cmyk(0%, 68.2%, 86.6%, 29.8%) |
| CIE-LAB | lab(42.12, 47.96, 45.51) |
| CIE-LCH | lch(42.12, 66.12, 43.50°) |
| OKLab | oklab(51.93% 0.1337 0.0947) |
| OKLCH | oklch(51.93% 0.164 35.3) |
| XYZ | xyz(20.2208, 12.5790, 2.2272) |
| Luminance | 0.1258 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 2.16
Rust
#B7410E
ΔE00 3.77
Rust Red
#AA2704
ΔE00 3.95
Rust (survey)
#A83C09
ΔE00 4.10
Russet
#A13905
ΔE00 5.20
Brick
#A03623
ΔE00 5.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B33918 #1892B3
analogous
#B31845 #B33918 #B38618
triadic
#B33918 #18B339 #3918B3
tetradic
#B33918 #45B318 #1892B3 #8618B3
square
#B33918 #45B318 #1892B3 #8618B3
split-complementary
#B33918 #18B386 #1845B3
monochromatic
#47170A #7D2811 #B33918 #E24E26 #E97A5C
Accessibility & contrast
On white
5.97
#B33918 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.52
#B33918 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B33918
5.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B33918 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B33918 | 1.00 | 5.97 | 3.52 | 5.97 |
| #FFFFFF | 5.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.52 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D5212
Deuteranopia (green-blind)
#7B6D10
Tritanopia (blue-blind)
#C50D33
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b33918; /* rgb */ color: rgb(179, 57, 24); /* oklch */ color: oklch(51.9% 0.164 35.3);
Tailwind
colors: {
custom: {
50: '#d37659',
500: '#b33918',
950: '#000000',
},
}SCSS
$custom: #b33918; $custom-light: #d37659; $custom-dark: #000000;
JSON
{
"hex": "#b33918",
"rgb": {
"r": 179,
"g": 57,
"b": 24
},
"hsl": {
"h": 12.774,
"s": 76.355,
"l": 39.804
},
"oklch": {
"l": 0.5193,
"c": 0.16383,
"h": 35.3
},
"luminance": 0.12576
}Semantic roles & 50–950 ramp
primary
#B33918
secondary
#5AB4CD
accent
#CAF335
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160904
muted
#847B79