#A63F45#A63F45
#A63F45 is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.1% C 0.136 H 19.9°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).
Color values
| HEX | #A63F45 |
|---|---|
| RGB | rgb(166, 63, 69) |
| HSL | hsl(357, 45%, 45%) |
| HSV | hsv(357, 62%, 65%) |
| CMYK | cmyk(0%, 62%, 58.4%, 34.9%) |
| CIE-LAB | lab(41.37, 42.91, 18.84) |
| CIE-LCH | lch(41.37, 46.87, 23.70°) |
| OKLab | oklab(51.11% 0.1279 0.0462) |
| OKLCH | oklch(51.11% 0.136 19.9) |
| XYZ | xyz(18.5792, 12.0941, 6.9851) |
| Luminance | 0.1209 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dusty Red
#B9484E
ΔE00 4.74
Light Maroon
#A24857
ΔE00 5.27
Dull Red
#BB3F3F
ΔE00 5.35
Cardinal
#C41E3A
ΔE00 6.28
Rouge
#AB1239
ΔE00 6.41
Brown
#A52A2A
ΔE00 6.44
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A63F45 #3FA6A0
analogous
#A63F78 #A63F45 #A66D3F
triadic
#A63F45 #45A63F #3F45A6
tetradic
#A63F45 #78A63F #3FA6A0 #6D3FA6
square
#A63F45 #78A63F #3FA6A0 #6D3FA6
split-complementary
#A63F45 #3FA66D #3F78A6
monochromatic
#4D1D20 #7A2E33 #A63F45 #C36065 #D38C90
Accessibility & contrast
On white
6.14
#A63F45 on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.42
#A63F45 on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A63F45
6.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A63F45 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A63F45 | 1.00 | 6.14 | 3.42 | 6.14 |
| #FFFFFF | 6.14 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.42 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.14 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#585445
Deuteranopia (green-blind)
#726A42
Tritanopia (blue-blind)
#B52C42
Achromatopsia (no color)
#626262
Design tokens & code
CSS
--color: #a63f45; /* rgb */ color: rgb(166, 63, 69); /* oklch */ color: oklch(51.1% 0.136 19.9);
Tailwind
colors: {
custom: {
50: '#c67978',
500: '#a63f45',
950: '#000000',
},
}SCSS
$custom: #a63f45; $custom-light: #c67978; $custom-dark: #000000;
JSON
{
"hex": "#a63f45",
"rgb": {
"r": 166,
"g": 63,
"b": 69
},
"hsl": {
"h": 356.505,
"s": 44.978,
"l": 44.902
},
"oklch": {
"l": 0.5111,
"c": 0.13598,
"h": 19.9
},
"luminance": 0.12092
}Semantic roles & 50–950 ramp
primary
#A63F45
secondary
#83BEBB
accent
#D5CD53
background
#FCF7F7
surface
#F9EEED
border
#D2C9C8
text
#140909
muted
#827B7B