#B43F20#B43F20
#B43F20 is a mid, vivid red. Relative luminance 0.134; OKLCH L 52.9% C 0.158 H 35.5°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).
Color values
| HEX | #B43F20 |
|---|---|
| RGB | rgb(180, 63, 32) |
| HSL | hsl(13, 70%, 42%) |
| HSV | hsv(13, 82%, 71%) |
| CMYK | cmyk(0%, 65%, 82.2%, 29.4%) |
| CIE-LAB | lab(43.31, 45.97, 42.89) |
| CIE-LCH | lch(43.31, 62.87, 43.02°) |
| OKLab | oklab(52.88% 0.1288 0.0917) |
| OKLCH | oklch(52.88% 0.158 35.5) |
| XYZ | xyz(20.8630, 13.3657, 2.8475) |
| Luminance | 0.1336 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 3.52
Rust
#B7410E
ΔE00 3.89
Rust (survey)
#A83C09
ΔE00 4.83
Rust Red
#AA2704
ΔE00 5.28
Brick
#A03623
ΔE00 5.46
Brownish Red
#9E3623
ΔE00 5.79
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B43F20 #2095B4
analogous
#B4204B #B43F20 #B48920
triadic
#B43F20 #20B43F #3F20B4
tetradic
#B43F20 #4BB420 #2095B4 #8920B4
square
#B43F20 #4BB420 #2095B4 #8920B4
split-complementary
#B43F20 #20B489 #204BB4
monochromatic
#4C1B0E #802D17 #B43F20 #DB5936 #E4846A
Accessibility & contrast
On white
5.72
#B43F20 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.67
#B43F20 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B43F20
5.72:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B43F20 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B43F20 | 1.00 | 5.72 | 3.67 | 5.72 |
| #FFFFFF | 5.72 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.67 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.72 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#61561B
Deuteranopia (green-blind)
#7E701B
Tritanopia (blue-blind)
#C61D39
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #b43f20; /* rgb */ color: rgb(180, 63, 32); /* oklch */ color: oklch(52.9% 0.158 35.5);
Tailwind
colors: {
custom: {
50: '#d37a5e',
500: '#b43f20',
950: '#000000',
},
}SCSS
$custom: #b43f20; $custom-light: #d37a5e; $custom-dark: #000000;
JSON
{
"hex": "#b43f20",
"rgb": {
"r": 180,
"g": 63,
"b": 32
},
"hsl": {
"h": 12.568,
"s": 69.811,
"l": 41.569
},
"oklch": {
"l": 0.52875,
"c": 0.1581,
"h": 35.5
},
"luminance": 0.13363
}Semantic roles & 50–950 ramp
primary
#B43F20
secondary
#66B5CA
accent
#C7ED3B
background
#FEF7F5
surface
#FCEEE9
border
#D5C9C5
text
#160904
muted
#847B79