#A6271E#A6271E
#A6271E is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.8% C 0.165 H 28.9°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).
Color values
| HEX | #A6271E |
|---|---|
| RGB | rgb(166, 39, 30) |
| HSL | hsl(4, 69%, 38%) |
| HSV | hsv(4, 82%, 65%) |
| CMYK | cmyk(0%, 76.5%, 81.9%, 34.9%) |
| CIE-LAB | lab(37.21, 50.60, 37.17) |
| CIE-LCH | lch(37.21, 62.79, 36.30°) |
| OKLab | oklab(47.82% 0.1442 0.0797) |
| OKLCH | oklch(47.82% 0.165 28.9) |
| XYZ | xyz(16.6878, 9.6544, 2.2129) |
| Luminance | 0.0965 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Firebrick
#B22222
ΔE00 2.53
Brick
#A03623
ΔE00 2.90
Brownish Red
#9E3623
ΔE00 3.03
Brown
#A52A2A
ΔE00 3.19
Darkish Red
#A90308
ΔE00 3.61
Scarlet
#BE0119
ΔE00 4.42
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A6271E #1E9DA6
analogous
#A61E59 #A6271E #A66B1E
triadic
#A6271E #1EA627 #271EA6
tetradic
#A6271E #59A61E #1E9DA6 #6B1EA6
square
#A6271E #59A61E #1E9DA6 #6B1EA6
split-complementary
#A6271E #1EA66B #1E59A6
monochromatic
#3E0F0B #721B15 #A6271E #D83529 #E2665D
Accessibility & contrast
On white
7.17
#A6271E on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.93
#A6271E on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #A6271E
7.17:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A6271E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A6271E | 1.00 | 7.17 | 2.93 | 7.17 |
| #FFFFFF | 7.17 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.93 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.17 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4E461B
Deuteranopia (green-blind)
#6E6218
Tritanopia (blue-blind)
#B70026
Achromatopsia (no color)
#585858
Design tokens & code
CSS
--color: #a6271e; /* rgb */ color: rgb(166, 39, 30); /* oklch */ color: oklch(47.8% 0.165 28.9);
Tailwind
colors: {
custom: {
50: '#ca6c5b',
500: '#a6271e',
950: '#000000',
},
}SCSS
$custom: #a6271e; $custom-light: #ca6c5b; $custom-dark: #000000;
JSON
{
"hex": "#a6271e",
"rgb": {
"r": 166,
"g": 39,
"b": 30
},
"hsl": {
"h": 3.971,
"s": 69.388,
"l": 38.431
},
"oklch": {
"l": 0.47822,
"c": 0.16481,
"h": 28.9
},
"luminance": 0.09652
}Semantic roles & 50–950 ramp
primary
#A6271E
secondary
#5ABFC6
accent
#E1EC3C
background
#FDF6F5
surface
#FBECE9
border
#D4C7C5
text
#150704
muted
#837A79