#AA3121#AA3121
#AA3121 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.6% C 0.160 H 30.8°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).
Color values
| HEX | #AA3121 |
|---|---|
| RGB | rgb(170, 49, 33) |
| HSL | hsl(7, 67%, 40%) |
| HSV | hsv(7, 81%, 67%) |
| CMYK | cmyk(0%, 71.2%, 80.6%, 33.3%) |
| CIE-LAB | lab(39.34, 48.36, 37.90) |
| CIE-LCH | lch(39.34, 61.44, 38.08°) |
| OKLab | oklab(49.56% 0.1374 0.082) |
| OKLCH | oklch(49.56% 0.16 30.8) |
| XYZ | xyz(17.9525, 10.8552, 2.5885) |
| Luminance | 0.1085 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 2.05
Brownish Red
#9E3623
ΔE00 2.42
Firebrick
#B22222
ΔE00 3.11
Rusty Red
#AF2F0D
ΔE00 4.25
Brown
#A52A2A
ΔE00 4.42
Rust Red
#AA2704
ΔE00 4.72
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AA3121 #219AAA
analogous
#AA2156 #AA3121 #AA7521
triadic
#AA3121 #21AA31 #3121AA
tetradic
#AA3121 #56AA21 #219AAA #7521AA
square
#AA3121 #56AA21 #219AAA #7521AA
split-complementary
#AA3121 #21AA75 #2156AA
monochromatic
#43130D #772217 #AA3121 #D74531 #E17364
Accessibility & contrast
On white
6.62
#AA3121 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.17
#AA3121 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AA3121
6.62:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AA3121 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AA3121 | 1.00 | 6.62 | 3.17 | 6.62 |
| #FFFFFF | 6.62 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.17 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.62 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#554C1E
Deuteranopia (green-blind)
#73661C
Tritanopia (blue-blind)
#BB002E
Achromatopsia (no color)
#5D5D5D
Design tokens & code
CSS
--color: #aa3121; /* rgb */ color: rgb(170, 49, 33); /* oklch */ color: oklch(49.6% 0.160 30.8);
Tailwind
colors: {
custom: {
50: '#cc715e',
500: '#aa3121',
950: '#000000',
},
}SCSS
$custom: #aa3121; $custom-light: #cc715e; $custom-dark: #000000;
JSON
{
"hex": "#aa3121",
"rgb": {
"r": 170,
"g": 49,
"b": 33
},
"hsl": {
"h": 7.007,
"s": 67.488,
"l": 39.804
},
"oklch": {
"l": 0.49555,
"c": 0.16001,
"h": 30.8
},
"luminance": 0.10852
}Semantic roles & 50–950 ramp
primary
#AA3121
secondary
#61BAC6
accent
#D6EA3D
background
#FDF7F5
surface
#FBEDE9
border
#D4C8C5
text
#150804
muted
#837B79