Rust Red#AA2704
#AA2704 is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.4% C 0.172 H 33.9°. Best body text is #FFFFFF at 7.00:1 contrast (WCAG AA passes).
Color values
| HEX | #AA2704 |
|---|---|
| RGB | rgb(170, 39, 4) |
| HSL | hsl(13, 95%, 34%) |
| HSV | hsv(13, 98%, 67%) |
| CMYK | cmyk(0%, 77.1%, 97.6%, 33.3%) |
| CIE-LAB | lab(37.86, 51.36, 49.18) |
| CIE-LCH | lch(37.86, 71.11, 43.75°) |
| OKLab | oklab(48.4% 0.1425 0.0958) |
| OKLCH | oklch(48.4% 0.172 33.9) |
| XYZ | xyz(17.3272, 10.0087, 1.1344) |
| Luminance | 0.1001 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rust Red
#AA2704
ΔE00 0.00
Rusty Red
#AF2F0D
ΔE00 1.80
Burnt Red
#9F2305
ΔE00 2.46
Auburn
#9A3001
ΔE00 3.96
Russet
#A13905
ΔE00 4.60
Rust (survey)
#A83C09
ΔE00 4.68
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AA2704 #0487AA
analogous
#AA0434 #AA2704 #AA7A04
triadic
#AA2704 #04AA27 #2704AA
tetradic
#AA2704 #34AA04 #0487AA #7A04AA
square
#AA2704 #34AA04 #0487AA #7A04AA
split-complementary
#AA2704 #04AA7A #0434AA
monochromatic
#320C01 #6E1903 #AA2704 #E63505 #FA592E
Accessibility & contrast
On white
7.00
#AA2704 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
3.00
#AA2704 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AA2704
7.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AA2704 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AA2704 | 1.00 | 7.00 | 3.00 | 7.00 |
| #FFFFFF | 7.00 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.00 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.00 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#514600
Deuteranopia (green-blind)
#716400
Tritanopia (blue-blind)
#BC0022
Achromatopsia (no color)
#595959
Design tokens & code
CSS
--color: #aa2704; /* rgb */ color: rgb(170, 39, 4); /* oklch */ color: oklch(48.4% 0.172 33.9);
Tailwind
colors: {
custom: {
50: '#ce6c4d',
500: '#aa2704',
950: '#000000',
},
}SCSS
$custom: #aa2704; $custom-light: #ce6c4d; $custom-dark: #000000;
JSON
{
"hex": "#aa2704",
"rgb": {
"r": 170,
"g": 39,
"b": 4
},
"hsl": {
"h": 12.651,
"s": 95.402,
"l": 34.118
},
"oklch": {
"l": 0.48395,
"c": 0.17168,
"h": 33.9
},
"luminance": 0.10006
}Semantic roles & 50–950 ramp
primary
#AA2704
secondary
#33B4D6
accent
#D2FF29
background
#FEF6F4
surface
#FCECE7
border
#D5C7C3
text
#160702
muted
#847A78