#A53037#A53037
#A53037 is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.9% C 0.153 H 21.7°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).
Color values
| HEX | #A53037 |
|---|---|
| RGB | rgb(165, 48, 55) |
| HSL | hsl(356, 55%, 42%) |
| HSV | hsv(356, 71%, 65%) |
| CMYK | cmyk(0%, 70.9%, 66.7%, 35.3%) |
| CIE-LAB | lab(38.54, 48.10, 23.82) |
| CIE-LCH | lch(38.54, 53.68, 26.34°) |
| OKLab | oklab(48.88% 0.1418 0.0563) |
| OKLCH | oklch(48.88% 0.153 21.7) |
| XYZ | xyz(17.2654, 10.3916, 4.7103) |
| Luminance | 0.1039 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brown
#A52A2A
ΔE00 3.41
Rouge
#AB1239
ΔE00 4.85
Lipstick Red
#C0022F
ΔE00 5.24
Cardinal
#C41E3A
ΔE00 5.64
Rose Red
#BE013C
ΔE00 5.83
Firebrick
#B22222
ΔE00 5.92
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A53037 #30A59E
analogous
#A53072 #A53037 #A56430
triadic
#A53037 #37A530 #3037A5
tetradic
#A53037 #72A530 #30A59E #6430A5
square
#A53037 #72A530 #30A59E #6430A5
split-complementary
#A53037 #30A564 #3072A5
monochromatic
#461417 #762227 #A53037 #CA4850 #D8787D
Accessibility & contrast
On white
6.82
#A53037 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.08
#A53037 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A53037
6.82:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A53037 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A53037 | 1.00 | 6.82 | 3.08 | 6.82 |
| #FFFFFF | 6.82 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.08 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.82 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#504B36
Deuteranopia (green-blind)
#6E6434
Tritanopia (blue-blind)
#B50C34
Achromatopsia (no color)
#5B5B5B
Design tokens & code
CSS
--color: #a53037; /* rgb */ color: rgb(165, 48, 55); /* oklch */ color: oklch(48.9% 0.153 21.7);
Tailwind
colors: {
custom: {
50: '#c7706d',
500: '#a53037',
950: '#000000',
},
}SCSS
$custom: #a53037; $custom-light: #c7706d; $custom-dark: #000000;
JSON
{
"hex": "#a53037",
"rgb": {
"r": 165,
"g": 48,
"b": 55
},
"hsl": {
"h": 356.41,
"s": 54.93,
"l": 41.765
},
"oklch": {
"l": 0.48876,
"c": 0.15258,
"h": 21.7
},
"luminance": 0.10389
}Semantic roles & 50–950 ramp
primary
#A53037
secondary
#71C0BB
accent
#DED54A
background
#FDF7F6
surface
#FAEDEB
border
#D3C8C6
text
#140807
muted
#837B7A