#B43716#B43716
#B43716 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.9% C 0.167 H 35.0°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).
Color values
| HEX | #B43716 |
|---|---|
| RGB | rgb(180, 55, 22) |
| HSL | hsl(13, 78%, 40%) |
| HSV | hsv(13, 88%, 71%) |
| CMYK | cmyk(0%, 69.4%, 87.8%, 29.4%) |
| CIE-LAB | lab(41.99, 49.07, 46.35) |
| CIE-LCH | lch(41.99, 67.50, 43.37°) |
| OKLab | oklab(51.87% 0.1368 0.0957) |
| OKLCH | oklch(51.87% 0.167 35) |
| XYZ | xyz(20.3358, 12.4967, 2.1002) |
| Luminance | 0.1249 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 1.95
Rust Red
#AA2704
ΔE00 3.75
Rust
#B7410E
ΔE00 3.89
Rust (survey)
#A83C09
ΔE00 4.22
Russet
#A13905
ΔE00 5.29
Brick
#A03623
ΔE00 5.29
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B43716 #1693B4
analogous
#B41644 #B43716 #B48616
triadic
#B43716 #16B437 #3716B4
tetradic
#B43716 #44B416 #1693B4 #8616B4
square
#B43716 #44B416 #1693B4 #8616B4
split-complementary
#B43716 #16B486 #1644B4
monochromatic
#471609 #7D260F #B43716 #E44B23 #EB785A
Accessibility & contrast
On white
6.00
#B43716 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.50
#B43716 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B43716
6.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B43716 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B43716 | 1.00 | 6.00 | 3.50 | 6.00 |
| #FFFFFF | 6.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.50 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C510F
Deuteranopia (green-blind)
#7B6D0D
Tritanopia (blue-blind)
#C70331
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #b43716; /* rgb */ color: rgb(180, 55, 22); /* oklch */ color: oklch(51.9% 0.167 35.0);
Tailwind
colors: {
custom: {
50: '#d47558',
500: '#b43716',
950: '#000000',
},
}SCSS
$custom: #b43716; $custom-light: #d47558; $custom-dark: #000000;
JSON
{
"hex": "#b43716",
"rgb": {
"r": 180,
"g": 55,
"b": 22
},
"hsl": {
"h": 12.532,
"s": 78.218,
"l": 39.608
},
"oklch": {
"l": 0.51865,
"c": 0.16689,
"h": 35
},
"luminance": 0.12494
}Semantic roles & 50–950 ramp
primary
#B43716
secondary
#58B5CE
accent
#CCF533
background
#FEF7F5
surface
#FCEDE9
border
#D5C8C5
text
#160903
muted
#847B78