#B43D27#B43D27
#B43D27 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.159 H 32.6°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).
Color values
| HEX | #B43D27 |
|---|---|
| RGB | rgb(180, 61, 39) |
| HSL | hsl(9, 64%, 43%) |
| HSV | hsv(9, 78%, 71%) |
| CMYK | cmyk(0%, 66.1%, 78.3%, 29.4%) |
| CIE-LAB | lab(43.05, 47.08, 39.03) |
| CIE-LCH | lch(43.05, 61.15, 39.66°) |
| OKLab | oklab(52.7% 0.1335 0.0855) |
| OKLCH | oklch(52.7% 0.159 32.6) |
| XYZ | xyz(20.8597, 13.1903, 3.3667) |
| Luminance | 0.1319 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 4.42
Brick
#A03623
ΔE00 4.54
Brownish Red
#9E3623
ΔE00 4.92
Firebrick
#B22222
ΔE00 5.38
Rust Red
#AA2704
ΔE00 5.93
Rust
#B7410E
ΔE00 6.14
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B43D27 #279EB4
analogous
#B42757 #B43D27 #B48427
triadic
#B43D27 #27B43D #3D27B4
tetradic
#B43D27 #57B427 #279EB4 #8427B4
square
#B43D27 #57B427 #279EB4 #8427B4
split-complementary
#B43D27 #27B484 #2757B4
monochromatic
#4F1B11 #822C1C #B43D27 #D65942 #E18574
Accessibility & contrast
On white
5.77
#B43D27 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.64
#B43D27 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B43D27
5.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B43D27 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B43D27 | 1.00 | 5.77 | 3.64 | 5.77 |
| #FFFFFF | 5.77 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.64 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.77 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F5524
Deuteranopia (green-blind)
#7C6F22
Tritanopia (blue-blind)
#C61B39
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #b43d27; /* rgb */ color: rgb(180, 61, 39); /* oklch */ color: oklch(52.7% 0.159 32.6);
Tailwind
colors: {
custom: {
50: '#d37963',
500: '#b43d27',
950: '#000000',
},
}SCSS
$custom: #b43d27; $custom-light: #d37963; $custom-dark: #000000;
JSON
{
"hex": "#b43d27",
"rgb": {
"r": 180,
"g": 61,
"b": 39
},
"hsl": {
"h": 9.362,
"s": 64.384,
"l": 42.941
},
"oklch": {
"l": 0.52698,
"c": 0.15853,
"h": 32.6
},
"luminance": 0.13187
}Semantic roles & 50–950 ramp
primary
#B43D27
secondary
#6FBAC8
accent
#CDE740
background
#FEF7F5
surface
#FCEEEA
border
#D5C9C6
text
#160905
muted
#847B79