#B43D23#B43D23
#B43D23 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.7% C 0.159 H 33.9°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).
Color values
| HEX | #B43D23 |
|---|---|
| RGB | rgb(180, 61, 35) |
| HSL | hsl(11, 67%, 42%) |
| HSV | hsv(11, 81%, 71%) |
| CMYK | cmyk(0%, 66.1%, 80.6%, 29.4%) |
| CIE-LAB | lab(43.01, 46.94, 41.10) |
| CIE-LCH | lch(43.01, 62.39, 41.21°) |
| OKLab | oklab(52.66% 0.1323 0.0888) |
| OKLCH | oklch(52.66% 0.159 33.9) |
| XYZ | xyz(20.7969, 13.1652, 3.0358) |
| Luminance | 0.1316 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 3.70
Brick
#A03623
ΔE00 4.78
Rust
#B7410E
ΔE00 5.11
Brownish Red
#9E3623
ΔE00 5.14
Rust Red
#AA2704
ΔE00 5.35
Rust (survey)
#A83C09
ΔE00 5.78
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#B43D23 #239AB4
analogous
#B42351 #B43D23 #B48623
triadic
#B43D23 #23B43D #3D23B4
tetradic
#B43D23 #51B423 #239AB4 #8623B4
square
#B43D23 #51B423 #239AB4 #8623B4
split-complementary
#B43D23 #23B486 #2351B4
monochromatic
#4E1A0F #812C19 #B43D23 #D9583B #E3836E
Accessibility & contrast
On white
5.78
#B43D23 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.63
#B43D23 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #B43D23
5.78:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##B43D23 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##B43D23 | 1.00 | 5.78 | 3.63 | 5.78 |
| #FFFFFF | 5.78 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.78 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F551F
Deuteranopia (green-blind)
#7D6F1E
Tritanopia (blue-blind)
#C61A38
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #b43d23; /* rgb */ color: rgb(180, 61, 35); /* oklch */ color: oklch(52.7% 0.159 33.9);
Tailwind
colors: {
custom: {
50: '#d37860',
500: '#b43d23',
950: '#000000',
},
}SCSS
$custom: #b43d23; $custom-light: #d37860; $custom-dark: #000000;
JSON
{
"hex": "#b43d23",
"rgb": {
"r": 180,
"g": 61,
"b": 35
},
"hsl": {
"h": 10.759,
"s": 67.442,
"l": 42.157
},
"oklch": {
"l": 0.52658,
"c": 0.15932,
"h": 33.9
},
"luminance": 0.13162
}Semantic roles & 50–950 ramp
primary
#B43D23
secondary
#69B8C9
accent
#CBEA3D
background
#FEF7F5
surface
#FCEEE9
border
#D5C9C5
text
#160905
muted
#847B79