#AA2A1B#AA2A1B
#AA2A1B is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.8% C 0.167 H 30.5°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).
Color values
| HEX | #AA2A1B |
|---|---|
| RGB | rgb(170, 42, 27) |
| HSL | hsl(6, 73%, 39%) |
| HSV | hsv(6, 84%, 67%) |
| CMYK | cmyk(0%, 75.3%, 84.1%, 33.3%) |
| CIE-LAB | lab(38.35, 50.76, 40.11) |
| CIE-LCH | lch(38.35, 64.70, 38.31°) |
| OKLab | oklab(48.8% 0.1437 0.0847) |
| OKLCH | oklch(48.8% 0.167 30.5) |
| XYZ | xyz(17.6055, 10.2839, 2.0947) |
| Luminance | 0.1028 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brick
#A03623
ΔE00 2.58
Brownish Red
#9E3623
ΔE00 2.86
Firebrick
#B22222
ΔE00 3.05
Darkish Red
#A90308
ΔE00 3.65
Rusty Red
#AF2F0D
ΔE00 4.02
Rust Red
#AA2704
ΔE00 4.09
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AA2A1B #1B9BAA
analogous
#AA1B53 #AA2A1B #AA711B
triadic
#AA2A1B #1BAA2A #2A1BAA
tetradic
#AA2A1B #53AA1B #1B9BAA #711BAA
square
#AA2A1B #53AA1B #1B9BAA #711BAA
split-complementary
#AA2A1B #1BAA71 #1B53AA
monochromatic
#40100A #751D13 #AA2A1B #DC3926 #E5695B
Accessibility & contrast
On white
6.87
#AA2A1B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.06
#AA2A1B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AA2A1B
6.87:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AA2A1B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AA2A1B | 1.00 | 6.87 | 3.06 | 6.87 |
| #FFFFFF | 6.87 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.06 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.87 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#524818
Deuteranopia (green-blind)
#716414
Tritanopia (blue-blind)
#BC0028
Achromatopsia (no color)
#5A5A5A
Design tokens & code
CSS
--color: #aa2a1b; /* rgb */ color: rgb(170, 42, 27); /* oklch */ color: oklch(48.8% 0.167 30.5);
Tailwind
colors: {
custom: {
50: '#cd6e59',
500: '#aa2a1b',
950: '#000000',
},
}SCSS
$custom: #aa2a1b; $custom-light: #cd6e59; $custom-dark: #000000;
JSON
{
"hex": "#aa2a1b",
"rgb": {
"r": 170,
"g": 42,
"b": 27
},
"hsl": {
"h": 6.294,
"s": 72.589,
"l": 38.627
},
"oklch": {
"l": 0.488,
"c": 0.16684,
"h": 30.5
},
"luminance": 0.10281
}Semantic roles & 50–950 ramp
primary
#AA2A1B
secondary
#58BDC9
accent
#DCEF39
background
#FDF6F5
surface
#FBECE9
border
#D4C7C5
text
#150804
muted
#837B79