#A6211F#A6211F
#A6211F is a mid, vivid red. Relative luminance 0.093; OKLCH L 47.3% C 0.169 H 27.2°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).
Color values
| HEX | #A6211F |
|---|---|
| RGB | rgb(166, 33, 31) |
| HSL | hsl(1, 69%, 39%) |
| HSV | hsv(1, 81%, 65%) |
| CMYK | cmyk(0%, 80.1%, 81.3%, 34.9%) |
| CIE-LAB | lab(36.55, 52.53, 35.96) |
| CIE-LCH | lch(36.55, 63.66, 34.39°) |
| OKLab | oklab(47.33% 0.1505 0.0774) |
| OKLCH | oklch(47.33% 0.169 27.2) |
| XYZ | xyz(16.5191, 9.2963, 2.2206) |
| Luminance | 0.0929 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brown
#A52A2A
ΔE00 2.40
Firebrick
#B22222
ΔE00 2.41
Carmine
#9D0216
ΔE00 3.56
Darkish Red
#A90308
ΔE00 3.87
Brick
#A03623
ΔE00 4.07
Brownish Red
#9E3623
ΔE00 4.14
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A6211F #1FA4A6
analogous
#A61F60 #A6211F #A6641F
triadic
#A6211F #1FA621 #211FA6
tetradic
#A6211F #60A61F #1FA4A6 #641FA6
square
#A6211F #60A61F #1FA4A6 #641FA6
split-complementary
#A6211F #1FA664 #1F60A6
monochromatic
#3F0C0C #721715 #A6211F #D72D2B #E1605E
Accessibility & contrast
On white
7.35
#A6211F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.86
#A6211F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #A6211F
7.35:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A6211F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A6211F | 1.00 | 7.35 | 2.86 | 7.35 |
| #FFFFFF | 7.35 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.86 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.35 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4B441D
Deuteranopia (green-blind)
#6C6018
Tritanopia (blue-blind)
#B70023
Achromatopsia (no color)
#565656
Design tokens & code
CSS
--color: #a6211f; /* rgb */ color: rgb(166, 33, 31); /* oklch */ color: oklch(47.3% 0.169 27.2);
Tailwind
colors: {
custom: {
50: '#ca6a5c',
500: '#a6211f',
950: '#000000',
},
}SCSS
$custom: #a6211f; $custom-light: #ca6a5c; $custom-dark: #000000;
JSON
{
"hex": "#a6211f",
"rgb": {
"r": 166,
"g": 33,
"b": 31
},
"hsl": {
"h": 0.889,
"s": 68.528,
"l": 38.627
},
"oklch": {
"l": 0.47329,
"c": 0.16924,
"h": 27.2
},
"luminance": 0.09294
}Semantic roles & 50–950 ramp
primary
#A6211F
secondary
#5BC4C5
accent
#E9EB3C
background
#FDF6F5
surface
#FBECE9
border
#D4C7C5
text
#150704
muted
#837A79