#A81E30#A81E30
#A81E30 is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.7% C 0.172 H 20.6°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).
Color values
| HEX | #A81E30 |
|---|---|
| RGB | rgb(168, 30, 48) |
| HSL | hsl(352, 70%, 39%) |
| HSV | hsv(352, 82%, 66%) |
| CMYK | cmyk(0%, 82.1%, 71.4%, 34.1%) |
| CIE-LAB | lab(36.87, 54.63, 26.26) |
| CIE-LCH | lch(36.87, 60.61, 25.67°) |
| OKLab | oklab(47.71% 0.1607 0.0606) |
| OKLCH | oklch(47.71% 0.172 20.6) |
| XYZ | xyz(17.1482, 9.4695, 3.7206) |
| Luminance | 0.0947 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Brown
#A52A2A
ΔE00 3.62
Rouge
#AB1239
ΔE00 3.72
Lipstick Red
#C0022F
ΔE00 4.30
Rose Red
#BE013C
ΔE00 5.01
Cardinal
#C41E3A
ΔE00 5.62
Firebrick
#B22222
ΔE00 5.81
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#A81E30 #1EA896
analogous
#A81E75 #A81E30 #A8511E
triadic
#A81E30 #30A81E #1E30A8
tetradic
#A81E30 #75A81E #1EA896 #511EA8
square
#A81E30 #75A81E #1EA896 #511EA8
split-complementary
#A81E30 #1EA851 #1E75A8
monochromatic
#400B12 #741521 #A81E30 #D92A41 #E25E6F
Accessibility & contrast
On white
7.26
#A81E30 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.89
#A81E30 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #A81E30
7.26:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##A81E30 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##A81E30 | 1.00 | 7.26 | 2.89 | 7.26 |
| #FFFFFF | 7.26 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.89 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 7.26 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#49442F
Deuteranopia (green-blind)
#6B612B
Tritanopia (blue-blind)
#B90026
Achromatopsia (no color)
#575757
Design tokens & code
CSS
--color: #a81e30; /* rgb */ color: rgb(168, 30, 48); /* oklch */ color: oklch(47.7% 0.172 20.6);
Tailwind
colors: {
custom: {
50: '#ca6968',
500: '#a81e30',
950: '#000000',
},
}SCSS
$custom: #a81e30; $custom-light: #ca6968; $custom-dark: #000000;
JSON
{
"hex": "#a81e30",
"rgb": {
"r": 168,
"g": 30,
"b": 48
},
"hsl": {
"h": 352.174,
"s": 69.697,
"l": 38.824
},
"oklch": {
"l": 0.4771,
"c": 0.17172,
"h": 20.6
},
"luminance": 0.09467
}Semantic roles & 50–950 ramp
primary
#A81E30
secondary
#5BC7B9
accent
#EDD53B
background
#FDF6F6
surface
#FBECEB
border
#D4C7C6
text
#150706
muted
#837A7A