#040F07
Closest named color: Almost Black (#070D0D). oklch(15.4% 0.026 153.4), rgb(4, 15, 7).
Aa
White text reads best on this color (19.50:1).
About this color
#040F07 is a very dark close to neutral grey. In OKLCH its lightness is 15%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.019 away. White text reads best on it, at 19.50:1.
| Hue family | Neutrals |
| Lightness | very dark (15%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.07:1 |
| White text | 19.50:1 |
Values
| HEX | #040F07 |
| RGB | rgb(4, 15, 7) |
| HSL | hsl(136, 58%, 4%) |
| OKLCH | oklch(15.4% 0.026 153.4) |
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 #040F07 | 19.50:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #040F07 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #040F07 text on white | 19.50:1 | AAA | Lc 105.7 | Preferred for body text |
| #040F07 text on black | 1.07:1 | 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
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E6ECE7
oklch(93.7% 0.009 150.7)
-
Step 200
200
#D1DDD4
oklch(88.6% 0.018 153.5)
-
Step 300
300
#B3C7B8
oklch(81% 0.03 153.2)
-
Step 400
400
#8AAA93
oklch(70.7% 0.048 153.8)
-
Step 500
500
#6C9578
oklch(63.1% 0.063 153.5)
-
Step 600
600
#547F61
oklch(55.6% 0.067 153.4)
-
Step 700
700
#446B50
oklch(49% 0.062 153.4)
-
Step 800
800
#385742
oklch(42.6% 0.051 154.1)
-
Step 900
900
#314838
oklch(37.7% 0.04 153.8)
-
Step 950
950 (this color)
#040F07
oklch(15.4% 0.026 153.4)
#040F07 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) | #0F0D07 | 0.023 |
| Deuteranopia (no green cones) | #0D0C07 | 0.021 |
| Tritanopia (no blue cones) | #030F0D | 0.013 |
| Achromatopsia (no color) | #0C0C0C | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #040F07
#040F07
oklch(15.4% 0.026 153.4)
- #120810
#120810
oklch(15.3% 0.024 334.1)
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 #040F07, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.019
- Rich Navy #001219 ΔE 0.036
- Very Dark Brown #1D0200 ΔE 0.070
- Rich Black #0D1B2A ΔE 0.079
- Dark Navy Blue #00022E ΔE 0.102
- Midnight #03012D ΔE 0.103
- Dark Navy #000435 ΔE 0.107
- Very Dark Blue #000133 ΔE 0.110
Use #040F07 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.