#A3363E#A3363E
#A3363E is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.3% C 0.143 H 20.0°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).
Color values
| HEX | #A3363E |
|---|---|
| RGB | rgb(163, 54, 62) |
| HSL | hsl(356, 50%, 43%) |
| HSV | hsv(356, 67%, 64%) |
| CMYK | cmyk(0%, 66.9%, 62%, 36.1%) |
| CIE-LAB | lab(39.20, 45.40, 20.24) |
| CIE-LCH | lch(39.20, 49.71, 24.03°) |
| OKLab | oklab(49.34% 0.1349 0.049) |
| OKLCH | oklch(49.34% 0.144 20) |
| XYZ | xyz(17.2946, 10.7750, 5.7256) |
| Luminance | 0.1077 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Rouge
#AB1239
ΔE00 4.84
Brown
#A52A2A
ΔE00 5.12
Rose Red
#BE013C
ΔE00 5.96
Cardinal
#C41E3A
ΔE00 6.13
Dull Red
#BB3F3F
ΔE00 6.28
Lipstick Red
#C0022F
ΔE00 6.38
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A3363E #36A39B
analogous
#A33675 #A3363E #A36436
triadic
#A3363E #3EA336 #363EA3
tetradic
#A3363E #75A336 #36A39B #6436A3
square
#A3363E #75A336 #36A39B #6436A3
split-complementary
#A3363E #36A364 #3675A3
monochromatic
#47181B #75272D #A3363E #C55159 #D57F85
Accessibility & contrast
On white
6.66
#A3363E on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.15
#A3363E on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A3363E
6.66:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A3363E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A3363E | 1.00 | 6.66 | 3.15 | 6.66 |
| #FFFFFF | 6.66 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.15 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.66 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#524E3E
Deuteranopia (green-blind)
#6E653B
Tritanopia (blue-blind)
#B31E3A
Achromatopsia (no color)
#5C5C5C
Design tokens & code
CSS
--color: #a3363e; /* rgb */ color: rgb(163, 54, 62); /* oklch */ color: oklch(49.3% 0.143 20.0);
Tailwind
colors: {
custom: {
50: '#c47373',
500: '#a3363e',
950: '#000000',
},
}SCSS
$custom: #a3363e; $custom-light: #c47373; $custom-dark: #000000;
JSON
{
"hex": "#a3363e",
"rgb": {
"r": 163,
"g": 54,
"b": 62
},
"hsl": {
"h": 355.596,
"s": 50.23,
"l": 42.549
},
"oklch": {
"l": 0.49343,
"c": 0.1435,
"h": 20
},
"luminance": 0.10773
}Semantic roles & 50–950 ramp
primary
#A3363E
secondary
#77BEB9
accent
#DACF4E
background
#FCF7F6
surface
#F9EDEC
border
#D2C8C7
text
#140808
muted
#827B7B