#AC4523#AC4523
#AC4523 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.4% C 0.143 H 38.1°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).
Color values
| HEX | #AC4523 |
|---|---|
| RGB | rgb(172, 69, 35) |
| HSL | hsl(15, 66%, 41%) |
| HSV | hsv(15, 80%, 67%) |
| CMYK | cmyk(0%, 59.9%, 79.7%, 32.5%) |
| CIE-LAB | lab(42.99, 40.36, 40.61) |
| CIE-LCH | lch(42.99, 57.26, 45.18°) |
| OKLab | oklab(52.38% 0.1128 0.0884) |
| OKLCH | oklch(52.38% 0.143 38.1) |
| XYZ | xyz(19.4468, 13.1509, 3.1041) |
| Luminance | 0.1315 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rust
#B7410E
ΔE00 3.71
Rust (survey)
#A83C09
ΔE00 3.94
Rusty Red
#AF2F0D
ΔE00 4.35
Sienna
#A0522D
ΔE00 4.68
Russet
#A13905
ΔE00 5.07
Burnt Umber
#A0450E
ΔE00 5.56
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AC4523 #238AAC
analogous
#AC2345 #AC4523 #AC8A23
triadic
#AC4523 #23AC45 #4523AC
tetradic
#AC4523 #45AC23 #238AAC #8A23AC
square
#AC4523 #45AC23 #238AAC #8A23AC
split-complementary
#AC4523 #23AC8A #2345AC
monochromatic
#461C0E #793119 #AC4523 #D65E36 #E08769
Accessibility & contrast
On white
5.79
#AC4523 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.63
#AC4523 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AC4523
5.79:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AC4523 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AC4523 | 1.00 | 5.79 | 3.63 | 5.79 |
| #FFFFFF | 5.79 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.79 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#62571E
Deuteranopia (green-blind)
#7B6E1F
Tritanopia (blue-blind)
#BD2C3E
Achromatopsia (no color)
#656565
Design tokens & code
CSS
--color: #ac4523; /* rgb */ color: rgb(172, 69, 35); /* oklch */ color: oklch(52.4% 0.143 38.1);
Tailwind
colors: {
custom: {
50: '#cc7c60',
500: '#ac4523',
950: '#000000',
},
}SCSS
$custom: #ac4523; $custom-light: #cc7c60; $custom-dark: #000000;
JSON
{
"hex": "#ac4523",
"rgb": {
"r": 172,
"g": 69,
"b": 35
},
"hsl": {
"h": 14.891,
"s": 66.184,
"l": 40.588
},
"oklch": {
"l": 0.52378,
"c": 0.14329,
"h": 38.1
},
"luminance": 0.13148
}Semantic roles & 50–950 ramp
primary
#AC4523
secondary
#64AEC6
accent
#BFE93F
background
#FDF7F5
surface
#FBEEEA
border
#D4C9C6
text
#150A05
muted
#837C79