#AA221C#AA221C
#AA221C is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.1% C 0.173 H 28.4°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).
Color values
| HEX | #AA221C |
|---|---|
| RGB | rgb(170, 34, 28) |
| HSL | hsl(3, 72%, 39%) |
| HSV | hsv(3, 84%, 67%) |
| CMYK | cmyk(0%, 80%, 83.5%, 33.3%) |
| CIE-LAB | lab(37.44, 53.35, 38.75) |
| CIE-LCH | lch(37.44, 65.94, 35.99°) |
| OKLab | oklab(48.13% 0.152 0.082) |
| OKLCH | oklch(48.13% 0.173 28.4) |
| XYZ | xyz(17.3613, 9.7768, 2.0714) |
| Luminance | 0.0977 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 2.01
Darkish Red
#A90308
ΔE00 3.23
Brown
#A52A2A
ΔE00 3.43
Brick
#A03623
ΔE00 3.59
Scarlet
#BE0119
ΔE00 3.62
Brownish Red
#9E3623
ΔE00 3.76
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AA221C #1CA4AA
analogous
#AA1C5D #AA221C #AA691C
triadic
#AA221C #1CAA22 #221CAA
tetradic
#AA221C #5DAA1C #1CA4AA #691CAA
square
#AA221C #5DAA1C #1CA4AA #691CAA
split-complementary
#AA221C #1CAA69 #1C5DAA
monochromatic
#410D0B #751713 #AA221C #DC2F28 #E4625C
Accessibility & contrast
On white
7.11
#AA221C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.95
#AA221C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #AA221C
7.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AA221C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AA221C | 1.00 | 7.11 | 2.95 | 7.11 |
| #FFFFFF | 7.11 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.95 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.11 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4E4519
Deuteranopia (green-blind)
#6F6314
Tritanopia (blue-blind)
#BC0023
Achromatopsia (no color)
#585858
Design tokens & code
CSS
--color: #aa221c; /* rgb */ color: rgb(170, 34, 28); /* oklch */ color: oklch(48.1% 0.173 28.4);
Tailwind
colors: {
custom: {
50: '#cd6a5a',
500: '#aa221c',
950: '#000000',
},
}SCSS
$custom: #aa221c; $custom-light: #cd6a5a; $custom-dark: #000000;
JSON
{
"hex": "#aa221c",
"rgb": {
"r": 170,
"g": 34,
"b": 28
},
"hsl": {
"h": 2.535,
"s": 71.717,
"l": 38.824
},
"oklch": {
"l": 0.48126,
"c": 0.17275,
"h": 28.4
},
"luminance": 0.09774
}Semantic roles & 50–950 ramp
primary
#AA221C
secondary
#5AC4C8
accent
#E7EE39
background
#FDF6F5
surface
#FBECE9
border
#D4C7C5
text
#160704
muted
#847A79