#AA4540#AA4540
#AA4540 is a mid, vivid red. Relative luminance 0.132; OKLCH L 52.5% C 0.134 H 25.6°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).
Color values
| HEX | #AA4540 |
|---|---|
| RGB | rgb(170, 69, 64) |
| HSL | hsl(3, 45%, 46%) |
| HSV | hsv(3, 62%, 67%) |
| CMYK | cmyk(0%, 59.4%, 62.4%, 33.3%) |
| CIE-LAB | lab(43.03, 41.14, 24.17) |
| CIE-LCH | lch(43.03, 47.72, 30.44°) |
| OKLab | oklab(52.46% 0.121 0.058) |
| OKLCH | oklch(52.46% 0.134 25.6) |
| XYZ | xyz(19.6329, 13.1750, 6.3587) |
| Luminance | 0.1317 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dull Red
#BB3F3F
ΔE00 3.36
Dusty Red
#B9484E
ΔE00 4.70
Reddish
#C44240
ΔE00 5.14
Brown
#A52A2A
ΔE00 5.81
Firebrick
#B22222
ΔE00 6.82
Cardinal
#C41E3A
ΔE00 6.85
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AA4540 #40A5AA
analogous
#AA4070 #AA4540 #AA7A40
triadic
#AA4540 #40AA45 #4540AA
tetradic
#AA4540 #70AA40 #40A5AA #7A40AA
square
#AA4540 #70AA40 #40A5AA #7A40AA
split-complementary
#AA4540 #40AA7A #4070AA
monochromatic
#51211F #7E332F #AA4540 #C46863 #D5938F
Accessibility & contrast
On white
5.78
#AA4540 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.63
#AA4540 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #AA4540
5.78:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AA4540 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AA4540 | 1.00 | 5.78 | 3.63 | 5.78 |
| #FFFFFF | 5.78 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.63 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 5.78 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#5F583F
Deuteranopia (green-blind)
#786E3E
Tritanopia (blue-blind)
#BA3244
Achromatopsia (no color)
#666666
Design tokens & code
CSS
--color: #aa4540; /* rgb */ color: rgb(170, 69, 64); /* oklch */ color: oklch(52.5% 0.134 25.6);
Tailwind
colors: {
custom: {
50: '#c97d75',
500: '#aa4540',
950: '#000000',
},
}SCSS
$custom: #aa4540; $custom-light: #c97d75; $custom-dark: #000000;
JSON
{
"hex": "#aa4540",
"rgb": {
"r": 170,
"g": 69,
"b": 64
},
"hsl": {
"h": 2.83,
"s": 45.299,
"l": 45.882
},
"oklch": {
"l": 0.5246,
"c": 0.13415,
"h": 25.6
},
"luminance": 0.13172
}Semantic roles & 50–950 ramp
primary
#AA4540
secondary
#86BDC0
accent
#CFD553
background
#FDF7F7
surface
#FAEEED
border
#D3C9C8
text
#140A08
muted
#837C7B