#2A010A#2A010A
#2A010A is a very dark, moderate red. Relative luminance 0.005; OKLCH L 18.4% C 0.070 H 11.8°. Best body text is #FFFFFF at 18.97:1 contrast (WCAG AA passes).
Color values
| HEX | #2A010A |
|---|---|
| RGB | rgb(42, 1, 10) |
| HSL | hsl(347, 95%, 8%) |
| HSV | hsv(347, 98%, 16%) |
| CMYK | cmyk(0%, 97.6%, 76.2%, 83.5%) |
| CIE-LAB | lab(4.84, 20.47, 3.53) |
| CIE-LCH | lch(4.84, 20.78, 9.78°) |
| OKLab | oklab(18.4% 0.0689 0.0144) |
| OKLCH | oklch(18.4% 0.07 11.8) |
| XYZ | xyz(1.0206, 0.5360, 0.3368) |
| Luminance | 0.0054 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dark Maroon
#3C0008
ΔE00 6.21
Very Dark Brown
#1D0200
ΔE00 7.95
Deep Brown
#410200
ΔE00 9.04
Dark Plum
#3F012C
ΔE00 10.62
Mahogany
#4A0100
ΔE00 11.33
Dried Blood
#4B0101
ΔE00 11.43
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A010A #012A21
analogous
#2A011E #2A010A #2A0C01
triadic
#2A010A #0A2A01 #010A2A
tetradic
#2A010A #1E2A01 #012A21 #0C012A
square
#2A010A #1E2A01 #012A21 #0C012A
split-complementary
#2A010A #012A0C #011E2A
monochromatic
#1E0107 #1E0107 #2A010A #660218 #A20426
Accessibility & contrast
On white
18.97
#2A010A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.11
#2A010A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A010A
18.97:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A010A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A010A | 1.00 | 18.97 | 1.11 | 18.97 |
| #FFFFFF | 18.97 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.11 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 18.97 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0B0B0A
Deuteranopia (green-blind)
#161409
Tritanopia (blue-blind)
#2F0004
Achromatopsia (no color)
#101010
Design tokens & code
CSS
--color: #2a010a; /* rgb */ color: rgb(42, 1, 10); /* oklch */ color: oklch(18.4% 0.070 11.8);
Tailwind
colors: {
custom: {
50: '#66464b',
500: '#2a010a',
950: '#000000',
},
}SCSS
$custom: #2a010a; $custom-light: #66464b; $custom-dark: #000000;
JSON
{
"hex": "#2a010a",
"rgb": {
"r": 42,
"g": 1,
"b": 10
},
"hsl": {
"h": 346.829,
"s": 95.349,
"l": 8.431
},
"oklch": {
"l": 0.18405,
"c": 0.07037,
"h": 11.8
},
"luminance": 0.00536
}Semantic roles & 50–950 ramp
primary
#2A010A
secondary
#16705D
accent
#FFD029
background
#F6F3F4
surface
#EBE5E7
border
#C6C1C3
text
#060001
muted
#7A7677