#AA231E#AA231E
#AA231E is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.2% C 0.172 H 28.0°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).
Color values
| HEX | #AA231E |
|---|---|
| RGB | rgb(170, 35, 30) |
| HSL | hsl(2, 70%, 39%) |
| HSV | hsv(2, 82%, 67%) |
| CMYK | cmyk(0%, 79.4%, 82.4%, 33.3%) |
| CIE-LAB | lab(37.56, 53.12, 37.78) |
| CIE-LCH | lch(37.56, 65.18, 35.42°) |
| OKLab | oklab(48.22% 0.1517 0.0807) |
| OKLCH | oklch(48.22% 0.172 28) |
| XYZ | xyz(17.4151, 9.8447, 2.2113) |
| Luminance | 0.0984 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 1.75
Brown
#A52A2A
ΔE00 3.02
Darkish Red
#A90308
ΔE00 3.60
Scarlet
#BE0119
ΔE00 3.61
Brick
#A03623
ΔE00 3.64
Brownish Red
#9E3623
ΔE00 3.82
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#AA231E #1EA5AA
analogous
#AA1E5F #AA231E #AA691E
triadic
#AA231E #1EAA23 #231EAA
tetradic
#AA231E #5FAA1E #1EA5AA #691EAA
square
#AA231E #5FAA1E #1EA5AA #691EAA
split-complementary
#AA231E #1EAA69 #1E5FAA
monochromatic
#420E0C #761815 #AA231E #DA322C #E36460
Accessibility & contrast
On white
7.07
#AA231E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.97
#AA231E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #AA231E
7.07:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##AA231E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##AA231E | 1.00 | 7.07 | 2.97 | 7.07 |
| #FFFFFF | 7.07 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.97 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.07 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4E461C
Deuteranopia (green-blind)
#6F6317
Tritanopia (blue-blind)
#BC0024
Achromatopsia (no color)
#585858
Design tokens & code
CSS
--color: #aa231e; /* rgb */ color: rgb(170, 35, 30); /* oklch */ color: oklch(48.2% 0.172 28.0);
Tailwind
colors: {
custom: {
50: '#cd6b5b',
500: '#aa231e',
950: '#000000',
},
}SCSS
$custom: #aa231e; $custom-light: #cd6b5b; $custom-dark: #000000;
JSON
{
"hex": "#aa231e",
"rgb": {
"r": 170,
"g": 35,
"b": 30
},
"hsl": {
"h": 2.143,
"s": 70,
"l": 39.216
},
"oklch": {
"l": 0.48223,
"c": 0.1718,
"h": 28
},
"luminance": 0.09842
}Semantic roles & 50–950 ramp
primary
#AA231E
secondary
#5CC4C7
accent
#E6ED3B
background
#FDF6F5
surface
#FBECE9
border
#D4C7C5
text
#150704
muted
#837A79