#040D0D
Closest named color: Almost Black (#070D0D). oklch(14.9% 0.016 195.6), rgb(4, 13, 13).
Aa
White text reads best on this color (19.65:1).
About this color
#040D0D is a very dark close to neutral grey. In OKLCH its lightness is 15%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.007 away. White text reads best on it, at 19.65:1.
| Hue family | Neutrals |
| Lightness | very dark (15%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.06:1 |
| White text | 19.65:1 |
Values
| HEX | #040D0D |
| RGB | rgb(4, 13, 13) |
| HSL | hsl(180, 53%, 3%) |
| OKLCH | oklch(14.9% 0.016 195.6) |
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 #040D0D | 19.65:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #040D0D | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #040D0D text on white | 19.65:1 | AAA | Lc 105.7 | Preferred for body text |
| #040D0D text on black | 1.06:1 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEB
oklch(93.6% 0.005 197.1)
-
Step 200
200
#D2DBDB
oklch(88.5% 0.01 197)
-
Step 300
300
#B4C5C4
oklch(81% 0.019 192.5)
-
Step 400
400
#8CA7A6
oklch(70.8% 0.03 193.7)
-
Step 500
500
#6F9191
oklch(63.1% 0.038 196.2)
-
Step 600
600
#577B7B
oklch(55.6% 0.041 196)
-
Step 700
700
#476868
oklch(49.2% 0.038 196)
-
Step 800
800
#3A5554
oklch(42.8% 0.032 193.1)
-
Step 900
900
#324646
oklch(37.7% 0.025 196.1)
-
Step 950
950 (this color)
#040D0D
oklch(14.9% 0.016 195.6)
#040D0D 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) | #0C0C0D | 0.017 |
| Deuteranopia (no green cones) | #0A0B0D | 0.015 |
| Tritanopia (no blue cones) | #020E0D | 0.006 |
| Achromatopsia (no color) | #0B0B0B | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #040D0D
#040D0D
oklch(14.9% 0.016 195.6)
- #110809
#110809
oklch(14.8% 0.017 11.3)
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 #040D0D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.007
- Rich Navy #001219 ΔE 0.028
- Very Dark Brown #1D0200 ΔE 0.069
- Rich Black #0D1B2A ΔE 0.075
- Dark Navy Blue #00022E ΔE 0.085
- Midnight #03012D ΔE 0.086
- Dark Navy #000435 ΔE 0.092
- Very Dark Blue #000133 ΔE 0.094
Use #040D0D 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.