#AA4237#AA4237
#AA4237 is a mid, vivid red. Relative luminance 0.127; OKLCH L 51.9% C 0.139 H 28.8°. Best body text is #FFFFFF at 5.93:1 contrast (WCAG AA passes).
Color values
| HEX | #AA4237 |
|---|---|
| RGB | rgb(170, 66, 55) |
| HSL | hsl(6, 51%, 44%) |
| HSV | hsv(6, 68%, 67%) |
| CMYK | cmyk(0%, 61.2%, 67.6%, 33.3%) |
| CIE-LAB | lab(42.34, 42.00, 28.69) |
| CIE-LCH | lch(42.34, 50.87, 34.34°) |
| OKLab | oklab(51.9% 0.122 0.067) |
| OKLCH | oklch(51.9% 0.139 28.8) |
| XYZ | xyz(19.2173, 12.7209, 5.0571) |
| Luminance | 0.1272 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 4.22
Brick
#A03623
ΔE00 4.82
Brownish Red
#9E3623
ΔE00 5.01
Brown
#A52A2A
ΔE00 5.01
Firebrick
#B22222
ΔE00 5.36
Reddish
#C44240
ΔE00 5.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AA4237 #379FAA
analogous
#AA3766 #AA4237 #AA7C37
triadic
#AA4237 #37AA42 #4237AA
tetradic
#AA4237 #66AA37 #379FAA #7C37AA
square
#AA4237 #66AA37 #379FAA #7C37AA
split-complementary
#AA4237 #37AA7C #3766AA
monochromatic
#4E1E19 #7C3028 #AA4237 #C86156 #D78C84
Accessibility & contrast
On white
5.93
#AA4237 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.54
#AA4237 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AA4237
5.93:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AA4237 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AA4237 | 1.00 | 5.93 | 3.54 | 5.93 |
| #FFFFFF | 5.93 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.54 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.93 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5E5635
Deuteranopia (green-blind)
#776C34
Tritanopia (blue-blind)
#BA2C40
Achromatopsia (no color)
#646464
Design tokens & code
CSS
--color: #aa4237; /* rgb */ color: rgb(170, 66, 55); /* oklch */ color: oklch(51.9% 0.139 28.8);
Tailwind
colors: {
custom: {
50: '#ca7b6e',
500: '#aa4237',
950: '#000000',
},
}SCSS
$custom: #aa4237; $custom-light: #ca7b6e; $custom-dark: #000000;
JSON
{
"hex": "#aa4237",
"rgb": {
"r": 170,
"g": 66,
"b": 55
},
"hsl": {
"h": 5.739,
"s": 51.111,
"l": 44.118
},
"oklch": {
"l": 0.51897,
"c": 0.13913,
"h": 28.8
},
"luminance": 0.12718
}Semantic roles & 50–950 ramp
primary
#AA4237
secondary
#7CBAC1
accent
#CDDB4D
background
#FDF7F6
surface
#FAEEEC
border
#D3C9C7
text
#140A07
muted
#837C7A