#B43D1C#B43D1C
#B43D1C is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.6% C 0.161 H 35.7°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).
Color values
| HEX | #B43D1C |
|---|---|
| RGB | rgb(180, 61, 28) |
| HSL | hsl(13, 73%, 41%) |
| HSV | hsv(13, 84%, 71%) |
| CMYK | cmyk(0%, 66.1%, 84.4%, 29.4%) |
| CIE-LAB | lab(42.95, 46.72, 44.48) |
| CIE-LCH | lch(42.95, 64.51, 43.59°) |
| OKLab | oklab(52.6% 0.1304 0.0938) |
| OKLCH | oklch(52.6% 0.161 35.7) |
| XYZ | xyz(20.7031, 13.1277, 2.5421) |
| Luminance | 0.1313 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 3.02
Rust
#B7410E
ΔE00 3.49
Rust (survey)
#A83C09
ΔE00 4.33
Rust Red
#AA2704
ΔE00 4.80
Brick
#A03623
ΔE00 5.56
Russet
#A13905
ΔE00 5.57
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B43D1C #1C93B4
analogous
#B41C47 #B43D1C #B4891C
triadic
#B43D1C #1CB43D #3D1CB4
tetradic
#B43D1C #47B41C #1C93B4 #891CB4
square
#B43D1C #47B41C #1C93B4 #891CB4
split-complementary
#B43D1C #1CB489 #1C47B4
monochromatic
#4A190C #7F2B14 #B43D1C #DF552F #E78064
Accessibility & contrast
On white
5.79
#B43D1C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.63
#B43D1C on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B43D1C
5.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B43D1C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B43D1C | 1.00 | 5.79 | 3.63 | 5.79 |
| #FFFFFF | 5.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#605516
Deuteranopia (green-blind)
#7D6F16
Tritanopia (blue-blind)
#C61837
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #b43d1c; /* rgb */ color: rgb(180, 61, 28); /* oklch */ color: oklch(52.6% 0.161 35.7);
Tailwind
colors: {
custom: {
50: '#d3785c',
500: '#b43d1c',
950: '#000000',
},
}SCSS
$custom: #b43d1c; $custom-light: #d3785c; $custom-dark: #000000;
JSON
{
"hex": "#b43d1c",
"rgb": {
"r": 180,
"g": 61,
"b": 28
},
"hsl": {
"h": 13.026,
"s": 73.077,
"l": 40.784
},
"oklch": {
"l": 0.52598,
"c": 0.16067,
"h": 35.7
},
"luminance": 0.13125
}Semantic roles & 50–950 ramp
primary
#B43D1C
secondary
#60B4CC
accent
#C8F038
background
#FEF7F5
surface
#FCEEE9
border
#D5C9C5
text
#160904
muted
#847B79