#A3372F#A3372F
#A3372F is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.2% C 0.144 H 27.8°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).
Color values
| HEX | #A3372F |
|---|---|
| RGB | rgb(163, 55, 47) |
| HSL | hsl(4, 55%, 41%) |
| HSV | hsv(4, 71%, 64%) |
| CMYK | cmyk(0%, 66.3%, 71.2%, 36.1%) |
| CIE-LAB | lab(39.12, 44.06, 29.30) |
| CIE-LCH | lch(39.12, 52.91, 33.62°) |
| OKLab | oklab(49.2% 0.1276 0.0673) |
| OKLCH | oklch(49.2% 0.144 27.8) |
| XYZ | xyz(16.9853, 10.7266, 3.8648) |
| Luminance | 0.1072 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brown
#A52A2A
ΔE00 2.39
Brick
#A03623
ΔE00 3.51
Brownish Red
#9E3623
ΔE00 3.58
Firebrick
#B22222
ΔE00 3.92
Dull Red
#BB3F3F
ΔE00 5.97
Scarlet
#BE0119
ΔE00 6.37
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A3372F #2F9BA3
analogous
#A32F61 #A3372F #A3712F
triadic
#A3372F #2FA337 #372FA3
tetradic
#A3372F #61A32F #2F9BA3 #712FA3
square
#A3372F #61A32F #2F9BA3 #712FA3
split-complementary
#A3372F #2FA371 #2F61A3
monochromatic
#441714 #732721 #A3372F #CA4F46 #D77C75
Accessibility & contrast
On white
6.68
#A3372F on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.14
#A3372F on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A3372F
6.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A3372F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A3372F | 1.00 | 6.68 | 3.14 | 6.68 |
| #FFFFFF | 6.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.14 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#554D2D
Deuteranopia (green-blind)
#70652C
Tritanopia (blue-blind)
#B31B36
Achromatopsia (no color)
#5C5C5C
Design tokens & code
CSS
--color: #a3372f; /* rgb */ color: rgb(163, 55, 47); /* oklch */ color: oklch(49.2% 0.144 27.8);
Tailwind
colors: {
custom: {
50: '#c57468',
500: '#a3372f',
950: '#000000',
},
}SCSS
$custom: #a3372f; $custom-light: #c57468; $custom-dark: #000000;
JSON
{
"hex": "#a3372f",
"rgb": {
"r": 163,
"g": 55,
"b": 47
},
"hsl": {
"h": 4.138,
"s": 55.238,
"l": 41.176
},
"oklch": {
"l": 0.49202,
"c": 0.14428,
"h": 27.8
},
"luminance": 0.10724
}Semantic roles & 50–950 ramp
primary
#A3372F
secondary
#6FBABF
accent
#D4DF49
background
#FDF7F6
surface
#FAEDEB
border
#D3C8C6
text
#140806
muted
#837B7A