#AC3F23#AC3F23
#AC3F23 is a mid, vivid red. Relative luminance 0.124; OKLCH L 51.6% C 0.149 H 35.3°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).
Color values
| HEX | #AC3F23 |
|---|---|
| RGB | rgb(172, 63, 35) |
| HSL | hsl(12, 66%, 41%) |
| HSV | hsv(12, 80%, 67%) |
| CMYK | cmyk(0%, 63.4%, 79.7%, 32.5%) |
| CIE-LAB | lab(41.92, 43.18, 39.54) |
| CIE-LCH | lch(41.92, 58.55, 42.48°) |
| OKLab | oklab(51.57% 0.1215 0.0861) |
| OKLCH | oklch(51.57% 0.149 35.3) |
| XYZ | xyz(19.0962, 12.4497, 2.9873) |
| Luminance | 0.1245 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 3.42
Brick
#A03623
ΔE00 3.88
Brownish Red
#9E3623
ΔE00 4.17
Rust (survey)
#A83C09
ΔE00 4.83
Rust Red
#AA2704
ΔE00 4.87
Rust
#B7410E
ΔE00 5.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AC3F23 #2390AC
analogous
#AC234B #AC3F23 #AC8323
triadic
#AC3F23 #23AC3F #3F23AC
tetradic
#AC3F23 #4BAC23 #2390AC #8323AC
square
#AC3F23 #4BAC23 #2390AC #8323AC
split-complementary
#AC3F23 #23AC83 #234BAC
monochromatic
#461A0E #792C19 #AC3F23 #D65736 #E08169
Accessibility & contrast
On white
6.02
#AC3F23 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.49
#AC3F23 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AC3F23
6.02:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AC3F23 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AC3F23 | 1.00 | 6.02 | 3.49 | 6.02 |
| #FFFFFF | 6.02 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.49 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.02 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E541F
Deuteranopia (green-blind)
#796C1F
Tritanopia (blue-blind)
#BD2339
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #ac3f23; /* rgb */ color: rgb(172, 63, 35); /* oklch */ color: oklch(51.6% 0.149 35.3);
Tailwind
colors: {
custom: {
50: '#cd7960',
500: '#ac3f23',
950: '#000000',
},
}SCSS
$custom: #ac3f23; $custom-light: #cd7960; $custom-dark: #000000;
JSON
{
"hex": "#ac3f23",
"rgb": {
"r": 172,
"g": 63,
"b": 35
},
"hsl": {
"h": 12.263,
"s": 66.184,
"l": 40.588
},
"oklch": {
"l": 0.51572,
"c": 0.14888,
"h": 35.3
},
"luminance": 0.12447
}Semantic roles & 50–950 ramp
primary
#AC3F23
secondary
#64B2C6
accent
#C6E93F
background
#FDF7F5
surface
#FBEEE9
border
#D4C9C5
text
#150905
muted
#837B79