#B43E18#B43E18
#B43E18 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.161 H 37.0°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).
Color values
| HEX | #B43E18 |
|---|---|
| RGB | rgb(180, 62, 24) |
| HSL | hsl(15, 76%, 40%) |
| HSV | hsv(15, 87%, 71%) |
| CMYK | cmyk(0%, 65.6%, 86.7%, 29.4%) |
| CIE-LAB | lab(43.09, 46.19, 46.40) |
| CIE-LCH | lch(43.09, 65.47, 45.13°) |
| OKLab | oklab(52.69% 0.1282 0.0966) |
| OKLCH | oklch(52.69% 0.161 37) |
| XYZ | xyz(20.7123, 13.2176, 2.3246) |
| Luminance | 0.1321 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rust
#B7410E
ΔE00 2.44
Rusty Red
#AF2F0D
ΔE00 3.23
Rust (survey)
#A83C09
ΔE00 3.56
Rust Red
#AA2704
ΔE00 4.93
Russet
#A13905
ΔE00 4.98
Brick Orange
#C14A09
ΔE00 5.87
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B43E18 #188EB4
analogous
#B41840 #B43E18 #B48C18
triadic
#B43E18 #18B43E #3E18B4
tetradic
#B43E18 #40B418 #188EB4 #8C18B4
square
#B43E18 #40B418 #188EB4 #8C18B4
split-complementary
#B43E18 #18B48C #1840B4
monochromatic
#48190A #7E2B11 #B43E18 #E25527 #E97F5D
Accessibility & contrast
On white
5.76
#B43E18 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.64
#B43E18 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B43E18
5.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B43E18 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B43E18 | 1.00 | 5.76 | 3.64 | 5.76 |
| #FFFFFF | 5.76 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.64 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.76 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#615511
Deuteranopia (green-blind)
#7E7011
Tritanopia (blue-blind)
#C61A37
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #b43e18; /* rgb */ color: rgb(180, 62, 24); /* oklch */ color: oklch(52.7% 0.161 37.0);
Tailwind
colors: {
custom: {
50: '#d47959',
500: '#b43e18',
950: '#000000',
},
}SCSS
$custom: #b43e18; $custom-light: #d47959; $custom-dark: #000000;
JSON
{
"hex": "#b43e18",
"rgb": {
"r": 180,
"g": 62,
"b": 24
},
"hsl": {
"h": 14.615,
"s": 76.471,
"l": 40
},
"oklch": {
"l": 0.52691,
"c": 0.16051,
"h": 37
},
"luminance": 0.13214
}Semantic roles & 50–950 ramp
primary
#B43E18
secondary
#5BB1CD
accent
#C5F335
background
#FEF7F5
surface
#FCEEE9
border
#D5C9C5
text
#160904
muted
#847B79