#AA403C#AA403C
#AA403C is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.7% C 0.140 H 25.4°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #AA403C |
|---|---|
| RGB | rgb(170, 64, 60) |
| HSL | hsl(2, 48%, 45%) |
| HSV | hsv(2, 65%, 67%) |
| CMYK | cmyk(0%, 62.4%, 64.7%, 33.3%) |
| CIE-LAB | lab(42.06, 43.24, 25.37) |
| CIE-LCH | lch(42.06, 50.14, 30.40°) |
| OKLab | oklab(51.71% 0.1268 0.0602) |
| OKLCH | oklch(51.71% 0.14 25.4) |
| XYZ | xyz(19.2284, 12.5417, 5.6823) |
| Luminance | 0.1254 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 3.39
Brown
#A52A2A
ΔE00 4.69
Dusty Red
#B9484E
ΔE00 5.27
Reddish
#C44240
ΔE00 5.39
Firebrick
#B22222
ΔE00 5.82
Cardinal
#C41E3A
ΔE00 6.26
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AA403C #3CA6AA
analogous
#AA3C6F #AA403C #AA773C
triadic
#AA403C #3CAA40 #403CAA
tetradic
#AA403C #6FAA3C #3CA6AA #773CAA
square
#AA403C #6FAA3C #3CA6AA #773CAA
split-complementary
#AA403C #3CAA77 #3C6FAA
monochromatic
#501E1C #7D2F2C #AA403C #C6615D #D68D8B
Accessibility & contrast
On white
5.99
#AA403C on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.51
#AA403C on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AA403C
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AA403C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AA403C | 1.00 | 5.99 | 3.51 | 5.99 |
| #FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.51 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5C553B
Deuteranopia (green-blind)
#766C39
Tritanopia (blue-blind)
#BA2A40
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #aa403c; /* rgb */ color: rgb(170, 64, 60); /* oklch */ color: oklch(51.7% 0.140 25.4);
Tailwind
colors: {
custom: {
50: '#ca7a72',
500: '#aa403c',
950: '#000000',
},
}SCSS
$custom: #aa403c; $custom-light: #ca7a72; $custom-dark: #000000;
JSON
{
"hex": "#aa403c",
"rgb": {
"r": 170,
"g": 64,
"b": 60
},
"hsl": {
"h": 2.182,
"s": 47.826,
"l": 45.098
},
"oklch": {
"l": 0.51714,
"c": 0.1404,
"h": 25.4
},
"luminance": 0.12539
}Semantic roles & 50–950 ramp
primary
#AA403C
secondary
#81BEC0
accent
#D3D750
background
#FDF7F6
surface
#FAEEEC
border
#D3C9C7
text
#140907
muted
#837B7A