#AA2B37#AA2B37
#AA2B37 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.3% C 0.163 H 20.7°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).
Color values
| HEX | #AA2B37 |
|---|---|
| RGB | rgb(170, 43, 55) |
| HSL | hsl(354, 60%, 42%) |
| HSV | hsv(354, 75%, 67%) |
| CMYK | cmyk(0%, 74.7%, 67.6%, 33.3%) |
| CIE-LAB | lab(38.82, 51.56, 24.37) |
| CIE-LCH | lch(38.82, 57.03, 25.30°) |
| OKLab | oklab(49.26% 0.1522 0.0574) |
| OKLCH | oklch(49.26% 0.163 20.7) |
| XYZ | xyz(18.1330, 10.5524, 4.6957) |
| Luminance | 0.1055 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brown
#A52A2A
ΔE00 3.86
Rouge
#AB1239
ΔE00 4.09
Lipstick Red
#C0022F
ΔE00 4.30
Cardinal
#C41E3A
ΔE00 4.71
Rose Red
#BE013C
ΔE00 4.72
Dull Red
#BB3F3F
ΔE00 5.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AA2B37 #2BAA9E
analogous
#AA2B77 #AA2B37 #AA5F2B
triadic
#AA2B37 #37AA2B #2B37AA
tetradic
#AA2B37 #77AA2B #2BAA9E #5F2BAA
square
#AA2B37 #77AA2B #2BAA9E #5F2BAA
split-complementary
#AA2B37 #2BAA5F #2B77AA
monochromatic
#481217 #791F27 #AA2B37 #CF4350 #DC747D
Accessibility & contrast
On white
6.75
#AA2B37 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.11
#AA2B37 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AA2B37
6.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AA2B37 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AA2B37 | 1.00 | 6.75 | 3.11 | 6.75 |
| #FFFFFF | 6.75 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.11 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.75 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4F4A36
Deuteranopia (green-blind)
#6F6533
Tritanopia (blue-blind)
#BB0031
Achromatopsia (no color)
#5B5B5B
Design tokens & code
CSS
--color: #aa2b37; /* rgb */ color: rgb(170, 43, 55); /* oklch */ color: oklch(49.3% 0.163 20.7);
Tailwind
colors: {
custom: {
50: '#cb6f6d',
500: '#aa2b37',
950: '#000000',
},
}SCSS
$custom: #aa2b37; $custom-light: #cb6f6d; $custom-dark: #000000;
JSON
{
"hex": "#aa2b37",
"rgb": {
"r": 170,
"g": 43,
"b": 55
},
"hsl": {
"h": 354.331,
"s": 59.624,
"l": 41.765
},
"oklch": {
"l": 0.49258,
"c": 0.16263,
"h": 20.7
},
"luminance": 0.1055
}Semantic roles & 50–950 ramp
primary
#AA2B37
secondary
#6EC3BB
accent
#E3D445
background
#FDF7F6
surface
#FAEDEB
border
#D3C8C6
text
#150807
muted
#837B7A