#AA2B1B#AA2B1B
#AA2B1B is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.9% C 0.166 H 30.8°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).
Color values
| HEX | #AA2B1B |
|---|---|
| RGB | rgb(170, 43, 27) |
| HSL | hsl(7, 73%, 39%) |
| HSV | hsv(7, 84%, 67%) |
| CMYK | cmyk(0%, 74.7%, 84.1%, 33.3%) |
| CIE-LAB | lab(38.47, 50.41, 40.23) |
| CIE-LCH | lch(38.47, 64.50, 38.59°) |
| OKLab | oklab(48.89% 0.1427 0.085) |
| OKLCH | oklch(48.89% 0.166 30.8) |
| XYZ | xyz(17.6414, 10.3557, 2.1067) |
| Luminance | 0.1035 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 2.50
Brownish Red
#9E3623
ΔE00 2.79
Firebrick
#B22222
ΔE00 3.21
Darkish Red
#A90308
ΔE00 3.78
Rusty Red
#AF2F0D
ΔE00 3.83
Rust Red
#AA2704
ΔE00 3.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AA2B1B #1B9AAA
analogous
#AA1B52 #AA2B1B #AA721B
triadic
#AA2B1B #1BAA2B #2B1BAA
tetradic
#AA2B1B #52AA1B #1B9AAA #721BAA
square
#AA2B1B #52AA1B #1B9AAA #721BAA
split-complementary
#AA2B1B #1BAA72 #1B52AA
monochromatic
#40100A #751E13 #AA2B1B #DC3A26 #E56A5B
Accessibility & contrast
On white
6.84
#AA2B1B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.07
#AA2B1B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AA2B1B
6.84:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AA2B1B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AA2B1B | 1.00 | 6.84 | 3.07 | 6.84 |
| #FFFFFF | 6.84 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.07 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.84 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#524917
Deuteranopia (green-blind)
#716514
Tritanopia (blue-blind)
#BC0029
Achromatopsia (no color)
#5B5B5B
Design tokens & code
CSS
--color: #aa2b1b; /* rgb */ color: rgb(170, 43, 27); /* oklch */ color: oklch(48.9% 0.166 30.8);
Tailwind
colors: {
custom: {
50: '#cd6e5a',
500: '#aa2b1b',
950: '#000000',
},
}SCSS
$custom: #aa2b1b; $custom-light: #cd6e5a; $custom-dark: #000000;
JSON
{
"hex": "#aa2b1b",
"rgb": {
"r": 170,
"g": 43,
"b": 27
},
"hsl": {
"h": 6.713,
"s": 72.589,
"l": 38.627
},
"oklch": {
"l": 0.48894,
"c": 0.16603,
"h": 30.8
},
"luminance": 0.10353
}Semantic roles & 50–950 ramp
primary
#AA2B1B
secondary
#58BCC9
accent
#DBEF39
background
#FDF7F5
surface
#FBEDE9
border
#D4C8C5
text
#150804
muted
#837B79