#B43D24#B43D24
#B43D24 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.159 H 33.6°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).
Color values
| HEX | #B43D24 |
|---|---|
| RGB | rgb(180, 61, 36) |
| HSL | hsl(10, 67%, 42%) |
| HSV | hsv(10, 80%, 71%) |
| CMYK | cmyk(0%, 66.1%, 80%, 29.4%) |
| CIE-LAB | lab(43.02, 46.97, 40.59) |
| CIE-LCH | lch(43.02, 62.08, 40.83°) |
| OKLab | oklab(52.67% 0.1326 0.088) |
| OKLCH | oklch(52.67% 0.159 33.6) |
| XYZ | xyz(20.8119, 13.1712, 3.1152) |
| Luminance | 0.1317 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 3.86
Brick
#A03623
ΔE00 4.70
Brownish Red
#9E3623
ΔE00 5.07
Rust
#B7410E
ΔE00 5.36
Rust Red
#AA2704
ΔE00 5.48
Firebrick
#B22222
ΔE00 5.88
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B43D24 #249BB4
analogous
#B42453 #B43D24 #B48524
triadic
#B43D24 #24B43D #3D24B4
tetradic
#B43D24 #53B424 #249BB4 #8524B4
square
#B43D24 #53B424 #249BB4 #8524B4
split-complementary
#B43D24 #24B485 #2453B4
monochromatic
#4E1A10 #812C1A #B43D24 #D8583D #E28470
Accessibility & contrast
On white
5.78
#B43D24 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.63
#B43D24 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B43D24
5.78:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B43D24 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B43D24 | 1.00 | 5.78 | 3.63 | 5.78 |
| #FFFFFF | 5.78 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.78 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F5520
Deuteranopia (green-blind)
#7D6F1F
Tritanopia (blue-blind)
#C61A38
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #b43d24; /* rgb */ color: rgb(180, 61, 36); /* oklch */ color: oklch(52.7% 0.159 33.6);
Tailwind
colors: {
custom: {
50: '#d37961',
500: '#b43d24',
950: '#000000',
},
}SCSS
$custom: #b43d24; $custom-light: #d37961; $custom-dark: #000000;
JSON
{
"hex": "#b43d24",
"rgb": {
"r": 180,
"g": 61,
"b": 36
},
"hsl": {
"h": 10.417,
"s": 66.667,
"l": 42.353
},
"oklch": {
"l": 0.52668,
"c": 0.15913,
"h": 33.6
},
"luminance": 0.13168
}Semantic roles & 50–950 ramp
primary
#B43D24
secondary
#6BB9C9
accent
#CCEA3E
background
#FEF7F5
surface
#FCEEEA
border
#D5C9C6
text
#160905
muted
#847B79