#2A040A#2A040A
#2A040A is a very dark, moderate red. Relative luminance 0.006; OKLCH L 19.0% C 0.064 H 15.3°. Best body text is #FFFFFF at 18.75:1 contrast (WCAG AA passes).
Color values
| HEX | #2A040A |
|---|---|
| RGB | rgb(42, 4, 10) |
| HSL | hsl(351, 83%, 9%) |
| HSV | hsv(351, 90%, 16%) |
| CMYK | cmyk(0%, 90.5%, 76.2%, 83.5%) |
| CIE-LAB | lab(5.43, 19.10, 4.39) |
| CIE-LCH | lch(5.43, 19.60, 12.94°) |
| OKLab | oklab(18.99% 0.0616 0.0169) |
| OKLCH | oklch(18.99% 0.064 15.3) |
| XYZ | xyz(1.0532, 0.6011, 0.3477) |
| Luminance | 0.0060 (WCAG relative) |
| Temperature | warm |
| Family | red |
Closest named colors
Dark Maroon
#3C0008
ΔE00 6.23
Very Dark Brown
#1D0200
ΔE00 7.13
Deep Brown
#410200
ΔE00 8.66
Mahogany
#4A0100
ΔE00 10.94
Dried Blood
#4B0101
ΔE00 11.04
Dark Plum
#3F012C
ΔE00 11.43
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#2A040A #042A24
analogous
#2A041D #2A040A #2A1104
triadic
#2A040A #0A2A04 #040A2A
tetradic
#2A040A #1D2A04 #042A24 #11042A
square
#2A040A #1D2A04 #042A24 #11042A
split-complementary
#2A040A #042A11 #041D2A
monochromatic
#1C0307 #1C0307 #2A040A #620917 #9A0F25
Accessibility & contrast
On white
18.75
#2A040A on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.12
#2A040A on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #2A040A
18.75:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##2A040A | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##2A040A | 1.00 | 18.75 | 1.12 | 18.75 |
| #FFFFFF | 18.75 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.12 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 18.75 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#0D0D0A
Deuteranopia (green-blind)
#181509
Tritanopia (blue-blind)
#2F0006
Achromatopsia (no color)
#121212
Design tokens & code
CSS
--color: #2a040a; /* rgb */ color: rgb(42, 4, 10); /* oklch */ color: oklch(19.0% 0.064 15.3);
Tailwind
colors: {
custom: {
50: '#66484b',
500: '#2a040a',
950: '#000000',
},
}SCSS
$custom: #2a040a; $custom-light: #66484b; $custom-dark: #000000;
JSON
{
"hex": "#2a040a",
"rgb": {
"r": 42,
"g": 4,
"b": 10
},
"hsl": {
"h": 350.526,
"s": 82.609,
"l": 9.02
},
"oklch": {
"l": 0.18988,
"c": 0.06388,
"h": 15.3
},
"luminance": 0.00601
}Semantic roles & 50–950 ramp
primary
#2A040A
secondary
#1D6D60
accent
#F9D92F
background
#F6F4F4
surface
#EBE6E7
border
#C6C2C3
text
#060001
muted
#7A7777