#AA3431#AA3431
#AA3431 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.1% C 0.155 H 25.9°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).
Color values
| HEX | #AA3431 |
|---|---|
| RGB | rgb(170, 52, 49) |
| HSL | hsl(1, 55%, 43%) |
| HSV | hsv(1, 71%, 67%) |
| CMYK | cmyk(0%, 69.4%, 71.2%, 33.3%) |
| CIE-LAB | lab(39.96, 47.84, 29.42) |
| CIE-LCH | lch(39.96, 56.16, 31.59°) |
| OKLab | oklab(50.08% 0.1391 0.0676) |
| OKLCH | oklch(50.08% 0.155 25.9) |
| XYZ | xyz(18.3619, 11.2265, 4.1052) |
| Luminance | 0.1122 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brown
#A52A2A
ΔE00 2.19
Firebrick
#B22222
ΔE00 3.40
Dull Red
#BB3F3F
ΔE00 4.74
Brick
#A03623
ΔE00 4.85
Brownish Red
#9E3623
ΔE00 5.00
Lipstick Red
#C0022F
ΔE00 5.45
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AA3431 #31A7AA
analogous
#AA316A #AA3431 #AA7131
triadic
#AA3431 #31AA34 #3431AA
tetradic
#AA3431 #6AAA31 #31A7AA #7131AA
square
#AA3431 #6AAA31 #31A7AA #7131AA
split-complementary
#AA3431 #31AA71 #316AAA
monochromatic
#4B1716 #7A2523 #AA3431 #CC504D #D97E7C
Accessibility & contrast
On white
6.47
#AA3431 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.24
#AA3431 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AA3431
6.47:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AA3431 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AA3431 | 1.00 | 6.47 | 3.24 | 6.47 |
| #FFFFFF | 6.47 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.47 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#554E30
Deuteranopia (green-blind)
#73682D
Tritanopia (blue-blind)
#BB1035
Achromatopsia (no color)
#5E5E5E
Design tokens & code
CSS
--color: #aa3431; /* rgb */ color: rgb(170, 52, 49); /* oklch */ color: oklch(50.1% 0.155 25.9);
Tailwind
colors: {
custom: {
50: '#cb7369',
500: '#aa3431',
950: '#000000',
},
}SCSS
$custom: #aa3431; $custom-light: #cb7369; $custom-dark: #000000;
JSON
{
"hex": "#aa3431",
"rgb": {
"r": 170,
"g": 52,
"b": 49
},
"hsl": {
"h": 1.488,
"s": 55.251,
"l": 42.941
},
"oklch": {
"l": 0.50082,
"c": 0.15462,
"h": 25.9
},
"luminance": 0.11224
}Semantic roles & 50–950 ramp
primary
#AA3431
secondary
#75C0C2
accent
#DBDF49
background
#FDF7F6
surface
#FAEDEB
border
#D3C8C6
text
#150806
muted
#837B7A