#AA403B#AA403B
#AA403B is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.7% C 0.141 H 25.9°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).
Color values
| HEX | #AA403B |
|---|---|
| RGB | rgb(170, 64, 59) |
| HSL | hsl(3, 48%, 45%) |
| HSV | hsv(3, 65%, 67%) |
| CMYK | cmyk(0%, 62.4%, 65.3%, 33.3%) |
| CIE-LAB | lab(42.05, 43.18, 25.95) |
| CIE-LCH | lch(42.05, 50.38, 31.01°) |
| OKLab | oklab(51.7% 0.1264 0.0614) |
| OKLCH | oklch(51.7% 0.141 25.9) |
| XYZ | xyz(19.2022, 12.5312, 5.5444) |
| Luminance | 0.1253 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 3.45
Brown
#A52A2A
ΔE00 4.60
Reddish
#C44240
ΔE00 5.38
Dusty Red
#B9484E
ΔE00 5.51
Firebrick
#B22222
ΔE00 5.63
Brick
#A03623
ΔE00 6.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AA403B #3BA5AA
analogous
#AA3B6D #AA403B #AA783B
triadic
#AA403B #3BAA40 #403BAA
tetradic
#AA403B #6DAA3B #3BA5AA #783BAA
square
#AA403B #6DAA3B #3BA5AA #783BAA
split-complementary
#AA403B #3BAA78 #3B6DAA
monochromatic
#4F1E1B #7D2F2B #AA403B #C6615C #D68D89
Accessibility & contrast
On white
5.99
#AA403B on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.51
#AA403B on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AA403B
5.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AA403B | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AA403B | 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)
#5C553A
Deuteranopia (green-blind)
#766C38
Tritanopia (blue-blind)
#BA2940
Achromatopsia (no color)
#636363
Design tokens & code
CSS
--color: #aa403b; /* rgb */ color: rgb(170, 64, 59); /* oklch */ color: oklch(51.7% 0.141 25.9);
Tailwind
colors: {
custom: {
50: '#ca7a71',
500: '#aa403b',
950: '#000000',
},
}SCSS
$custom: #aa403b; $custom-light: #ca7a71; $custom-dark: #000000;
JSON
{
"hex": "#aa403b",
"rgb": {
"r": 170,
"g": 64,
"b": 59
},
"hsl": {
"h": 2.703,
"s": 48.472,
"l": 44.902
},
"oklch": {
"l": 0.51697,
"c": 0.14057,
"h": 25.9
},
"luminance": 0.12529
}Semantic roles & 50–950 ramp
primary
#AA403B
secondary
#80BEC0
accent
#D2D850
background
#FDF7F6
surface
#FAEEEC
border
#D3C9C7
text
#140907
muted
#837B7A