#B43117#B43117
#B43117 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.2% C 0.172 H 33.0°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).
Color values
| HEX | #B43117 |
|---|---|
| RGB | rgb(180, 49, 23) |
| HSL | hsl(10, 77%, 40%) |
| HSV | hsv(10, 87%, 71%) |
| CMYK | cmyk(0%, 72.8%, 87.2%, 29.4%) |
| CIE-LAB | lab(41.16, 51.40, 45.24) |
| CIE-LCH | lch(41.16, 68.47, 41.35°) |
| OKLab | oklab(51.24% 0.1441 0.0935) |
| OKLCH | oklch(51.24% 0.172 33) |
| XYZ | xyz(20.0778, 11.9649, 2.0627) |
| Luminance | 0.1196 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 1.94
Rust Red
#AA2704
ΔE00 3.41
Brick
#A03623
ΔE00 4.48
Brownish Red
#9E3623
ΔE00 4.83
Burnt Red
#9F2305
ΔE00 5.29
Firebrick
#B22222
ΔE00 5.35
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B43117 #179AB4
analogous
#B4174C #B43117 #B47F17
triadic
#B43117 #17B431 #3117B4
tetradic
#B43117 #4CB417 #179AB4 #7F17B4
square
#B43117 #4CB417 #179AB4 #7F17B4
split-complementary
#B43117 #17B47F #174CB4
monochromatic
#471309 #7E2210 #B43117 #E34525 #EA735B
Accessibility & contrast
On white
6.19
#B43117 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.39
#B43117 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B43117
6.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B43117 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B43117 | 1.00 | 6.19 | 3.39 | 6.19 |
| #FFFFFF | 6.19 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.39 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.19 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#594F11
Deuteranopia (green-blind)
#796C0E
Tritanopia (blue-blind)
#C7002D
Achromatopsia (no color)
#616161
Design tokens & code
CSS
--color: #b43117; /* rgb */ color: rgb(180, 49, 23); /* oklch */ color: oklch(51.2% 0.172 33.0);
Tailwind
colors: {
custom: {
50: '#d47258',
500: '#b43117',
950: '#000000',
},
}SCSS
$custom: #b43117; $custom-light: #d47258; $custom-dark: #000000;
JSON
{
"hex": "#b43117",
"rgb": {
"r": 180,
"g": 49,
"b": 23
},
"hsl": {
"h": 9.936,
"s": 77.34,
"l": 39.804
},
"oklch": {
"l": 0.51241,
"c": 0.17175,
"h": 33
},
"luminance": 0.11962
}Semantic roles & 50–950 ramp
primary
#B43117
secondary
#59BACE
accent
#D4F434
background
#FEF7F5
surface
#FDEDE9
border
#D5C8C5
text
#160803
muted
#847B78