#B43318#B43318
#B43318 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.5% C 0.170 H 33.3°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).
Color values
| HEX | #B43318 |
|---|---|
| RGB | rgb(180, 51, 24) |
| HSL | hsl(10, 76%, 40%) |
| HSV | hsv(10, 87%, 71%) |
| CMYK | cmyk(0%, 71.7%, 86.7%, 29.4%) |
| CIE-LAB | lab(41.44, 50.68, 45.02) |
| CIE-LCH | lch(41.44, 67.78, 41.61°) |
| OKLab | oklab(51.45% 0.142 0.0934) |
| OKLCH | oklch(51.45% 0.17 33.3) |
| XYZ | xyz(20.1735, 12.1400, 2.1450) |
| Luminance | 0.1214 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 1.99
Rust Red
#AA2704
ΔE00 3.57
Brick
#A03623
ΔE00 4.55
Brownish Red
#9E3623
ΔE00 4.91
Rust
#B7410E
ΔE00 5.20
Rust (survey)
#A83C09
ΔE00 5.27
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B43318 #1899B4
analogous
#B4184B #B43318 #B48118
triadic
#B43318 #18B433 #3318B4
tetradic
#B43318 #4BB418 #1899B4 #8118B4
square
#B43318 #4BB418 #1899B4 #8118B4
split-complementary
#B43318 #18B481 #184BB4
monochromatic
#48140A #7E2411 #B43318 #E24727 #E9755D
Accessibility & contrast
On white
6.13
#B43318 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.43
#B43318 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B43318
6.13:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B43318 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B43318 | 1.00 | 6.13 | 3.43 | 6.13 |
| #FFFFFF | 6.13 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.43 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.13 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5A4F12
Deuteranopia (green-blind)
#7A6C0F
Tritanopia (blue-blind)
#C7002E
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #b43318; /* rgb */ color: rgb(180, 51, 24); /* oklch */ color: oklch(51.5% 0.170 33.3);
Tailwind
colors: {
custom: {
50: '#d47359',
500: '#b43318',
950: '#000000',
},
}SCSS
$custom: #b43318; $custom-light: #d47359; $custom-dark: #000000;
JSON
{
"hex": "#b43318",
"rgb": {
"r": 180,
"g": 51,
"b": 24
},
"hsl": {
"h": 10.385,
"s": 76.471,
"l": 40
},
"oklch": {
"l": 0.51451,
"c": 0.16996,
"h": 33.3
},
"luminance": 0.12137
}Semantic roles & 50–950 ramp
primary
#B43318
secondary
#5BB9CD
accent
#D2F335
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160904
muted
#847B79