#000409
Closest named color: Almost Black (#070D0D). oklch(10.1% 0.023 238.4), rgb(0, 4, 9).
Aa
White text reads best on this color (20.56:1).
About this color
#000409 is a very dark close to neutral grey. In OKLCH its lightness is 10%, its chroma 0.023. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.054 away. White text reads best on it, at 20.56:1.
| Hue family | Neutrals |
| Lightness | very dark (10%) |
| Chroma | close to neutral grey (0.023) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.02:1 |
| White text | 20.56:1 |
Values
| HEX | #000409 |
| RGB | rgb(0, 4, 9) |
| HSL | hsl(213, 100%, 2%) |
| OKLCH | oklch(10.1% 0.023 238.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #000409 | 20.56:1 | AAA | Lc -107.9 | Preferred for body text |
| Black text on #000409 | 1.02:1 | Fails | Lc 0.0 | Not readable |
| #000409 text on white | 20.56:1 | AAA | Lc 106.0 | Preferred for body text |
| #000409 text on black | 1.02:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D1DBE2
oklch(88.6% 0.015 238)
-
Step 300
300
#B1C4D0
oklch(81% 0.027 235.4)
-
Step 400
400
#88A5B9
oklch(70.7% 0.044 238.4)
-
Step 500
500
#6A8FA7
oklch(63.1% 0.055 237.2)
-
Step 600
600
#527992
oklch(55.7% 0.059 237.4)
-
Step 700
700
#42657D
oklch(49% 0.056 239.4)
-
Step 800
800
#375365
oklch(42.8% 0.045 237.4)
-
Step 900
900
#304453
oklch(37.6% 0.036 241.3)
-
Step 950
950 (this color)
#000409
oklch(10.1% 0.023 238.4)
#000409 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #020409 | 0.010 |
| Deuteranopia (no green cones) | #010309 | 0.009 |
| Tritanopia (no blue cones) | #000506 | 0.013 |
| Achromatopsia (no color) | #040404 | 0.023 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #000409
#000409
oklch(10.1% 0.023 238.4)
- #080200
#080200
oklch(10% 0.024 56.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #000409, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.054
- Rich Navy #001219 ΔE 0.069
- Midnight #03012D ΔE 0.081
- Dark Navy Blue #00022E ΔE 0.081
- Very Dark Brown #1D0200 ΔE 0.090
- Very Dark Blue #000133 ΔE 0.092
- Dark Navy #000435 ΔE 0.096
- Black #000000 ΔE 0.104
Use #000409 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.