#A6373D#A6373D
#A6373D is a mid, vivid red. Relative luminance 0.112; OKLCH L 49.9% C 0.146 H 21.1°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).
Color values
| HEX | #A6373D |
|---|---|
| RGB | rgb(166, 55, 61) |
| HSL | hsl(357, 50%, 43%) |
| HSV | hsv(357, 67%, 65%) |
| CMYK | cmyk(0%, 66.9%, 63.3%, 34.9%) |
| CIE-LAB | lab(39.88, 45.93, 21.85) |
| CIE-LCH | lch(39.88, 50.86, 25.44°) |
| OKLab | oklab(49.95% 0.136 0.0525) |
| OKLCH | oklch(49.95% 0.146 21.1) |
| XYZ | xyz(17.9361, 11.1788, 5.6272) |
| Luminance | 0.1118 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brown
#A52A2A
ΔE00 4.57
Dull Red
#BB3F3F
ΔE00 5.34
Rouge
#AB1239
ΔE00 5.37
Cardinal
#C41E3A
ΔE00 5.57
Lipstick Red
#C0022F
ΔE00 5.86
Dusty Red
#B9484E
ΔE00 5.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A6373D #37A6A0
analogous
#A63774 #A6373D #A66837
triadic
#A6373D #3DA637 #373DA6
tetradic
#A6373D #74A637 #37A6A0 #6837A6
square
#A6373D #74A637 #37A6A0 #6837A6
split-complementary
#A6373D #37A668 #3774A6
monochromatic
#4A191B #78282C #A6373D #C6545A #D68286
Accessibility & contrast
On white
6.49
#A6373D on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.24
#A6373D on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #A6373D
6.49:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A6373D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A6373D | 1.00 | 6.49 | 3.24 | 6.49 |
| #FFFFFF | 6.49 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.24 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.49 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#544F3C
Deuteranopia (green-blind)
#70673A
Tritanopia (blue-blind)
#B61D3A
Achromatopsia (no color)
#5E5E5E
Design tokens & code
CSS
--color: #a6373d; /* rgb */ color: rgb(166, 55, 61); /* oklch */ color: oklch(49.9% 0.146 21.1);
Tailwind
colors: {
custom: {
50: '#c77472',
500: '#a6373d',
950: '#000000',
},
}SCSS
$custom: #a6373d; $custom-light: #c77472; $custom-dark: #000000;
JSON
{
"hex": "#a6373d",
"rgb": {
"r": 166,
"g": 55,
"b": 61
},
"hsl": {
"h": 356.757,
"s": 50.226,
"l": 43.333
},
"oklch": {
"l": 0.49948,
"c": 0.14577,
"h": 21.1
},
"luminance": 0.11176
}Semantic roles & 50–950 ramp
primary
#A6373D
secondary
#7ABFBB
accent
#DAD24E
background
#FDF7F6
surface
#FAEDEC
border
#D3C8C7
text
#140908
muted
#837B7B