#AA391B#AA391B
#AA391B is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.4% C 0.154 H 35.4°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).
Color values
| HEX | #AA391B |
|---|---|
| RGB | rgb(170, 57, 27) |
| HSL | hsl(13, 73%, 39%) |
| HSV | hsv(13, 84%, 67%) |
| CMYK | cmyk(0%, 66.5%, 84.1%, 33.3%) |
| CIE-LAB | lab(40.50, 44.88, 42.07) |
| CIE-LCH | lch(40.50, 61.52, 43.15°) |
| OKLab | oklab(50.41% 0.1255 0.0891) |
| OKLCH | oklch(50.41% 0.154 35.4) |
| XYZ | xyz(18.2406, 11.5541, 2.3064) |
| Luminance | 0.1155 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 2.10
Rust Red
#AA2704
ΔE00 3.35
Brick
#A03623
ΔE00 3.53
Brownish Red
#9E3623
ΔE00 3.80
Rust (survey)
#A83C09
ΔE00 4.08
Russet
#A13905
ΔE00 4.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AA391B #1B8CAA
analogous
#AA1B45 #AA391B #AA801B
triadic
#AA391B #1BAA39 #391BAA
tetradic
#AA391B #45AA1B #1B8CAA #801BAA
square
#AA391B #45AA1B #1B8CAA #801BAA
split-complementary
#AA391B #1BAA80 #1B45AA
monochromatic
#40160A #752713 #AA391B #DC4C26 #E5785B
Accessibility & contrast
On white
6.34
#AA391B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.31
#AA391B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AA391B
6.34:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AA391B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AA391B | 1.00 | 6.34 | 3.31 | 6.34 |
| #FFFFFF | 6.34 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.31 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.34 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5A5016
Deuteranopia (green-blind)
#766915
Tritanopia (blue-blind)
#BB1633
Achromatopsia (no color)
#5F5F5F
Design tokens & code
CSS
--color: #aa391b; /* rgb */ color: rgb(170, 57, 27); /* oklch */ color: oklch(50.4% 0.154 35.4);
Tailwind
colors: {
custom: {
50: '#cc755a',
500: '#aa391b',
950: '#000000',
},
}SCSS
$custom: #aa391b; $custom-light: #cc755a; $custom-dark: #000000;
JSON
{
"hex": "#aa391b",
"rgb": {
"r": 170,
"g": 57,
"b": 27
},
"hsl": {
"h": 12.587,
"s": 72.589,
"l": 38.627
},
"oklch": {
"l": 0.50411,
"c": 0.15391,
"h": 35.4
},
"luminance": 0.11551
}Semantic roles & 50–950 ramp
primary
#AA391B
secondary
#58B1C9
accent
#C9EF39
background
#FDF7F5
surface
#FBEDE9
border
#D4C8C5
text
#150904
muted
#837B79