#AA3E21#AA3E21
#AA3E21 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.1% C 0.148 H 35.7°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).
Color values
| HEX | #AA3E21 |
|---|---|
| RGB | rgb(170, 62, 33) |
| HSL | hsl(13, 67%, 40%) |
| HSV | hsv(13, 81%, 67%) |
| CMYK | cmyk(0%, 63.5%, 80.6%, 33.3%) |
| CIE-LAB | lab(41.38, 42.84, 39.92) |
| CIE-LCH | lch(41.38, 58.56, 42.98°) |
| OKLab | oklab(51.09% 0.1202 0.0864) |
| OKLCH | oklch(51.09% 0.148 35.7) |
| XYZ | xyz(18.5768, 12.1038, 2.7966) |
| Luminance | 0.1210 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rusty Red
#AF2F0D
ΔE00 3.13
Brick
#A03623
ΔE00 3.67
Brownish Red
#9E3623
ΔE00 3.94
Rust (survey)
#A83C09
ΔE00 4.42
Rust Red
#AA2704
ΔE00 4.48
Rust
#B7410E
ΔE00 5.00
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AA3E21 #218DAA
analogous
#AA2148 #AA3E21 #AA8321
triadic
#AA3E21 #21AA3E #3E21AA
tetradic
#AA3E21 #48AA21 #218DAA #8321AA
square
#AA3E21 #48AA21 #218DAA #8321AA
split-complementary
#AA3E21 #21AA83 #2148AA
monochromatic
#43190D #772B17 #AA3E21 #D75431 #E17F64
Accessibility & contrast
On white
6.14
#AA3E21 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.42
#AA3E21 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AA3E21
6.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AA3E21 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AA3E21 | 1.00 | 6.14 | 3.42 | 6.14 |
| #FFFFFF | 6.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.42 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5D521D
Deuteranopia (green-blind)
#776B1D
Tritanopia (blue-blind)
#BB2138
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #aa3e21; /* rgb */ color: rgb(170, 62, 33); /* oklch */ color: oklch(51.1% 0.148 35.7);
Tailwind
colors: {
custom: {
50: '#cb785e',
500: '#aa3e21',
950: '#000000',
},
}SCSS
$custom: #aa3e21; $custom-light: #cb785e; $custom-dark: #000000;
JSON
{
"hex": "#aa3e21",
"rgb": {
"r": 170,
"g": 62,
"b": 33
},
"hsl": {
"h": 12.701,
"s": 67.488,
"l": 39.804
},
"oklch": {
"l": 0.51091,
"c": 0.14808,
"h": 35.7
},
"luminance": 0.12101
}Semantic roles & 50–950 ramp
primary
#AA3E21
secondary
#61B1C6
accent
#C6EA3D
background
#FDF7F5
surface
#FBEDE9
border
#D4C8C5
text
#150904
muted
#837B79