#040F08
Closest named color: Almost Black (#070D0D). oklch(15.4% 0.024 157.2), rgb(4, 15, 8).
Aa
White text reads best on this color (19.49:1).
About this color
#040F08 is a very dark close to neutral grey. In OKLCH its lightness is 15%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.017 away. White text reads best on it, at 19.49:1.
| Hue family | Neutrals |
| Lightness | very dark (15%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.07:1 |
| White text | 19.49:1 |
Values
| HEX | #040F08 |
| RGB | rgb(4, 15, 8) |
| HSL | hsl(142, 58%, 4%) |
| OKLCH | oklch(15.4% 0.024 157.2) |
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 #040F08 | 19.49:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #040F08 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #040F08 text on white | 19.49:1 | AAA | Lc 105.7 | Preferred for body text |
| #040F08 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
#E6ECE8
oklch(93.7% 0.008 157.1)
-
Step 200
200
#D1DCD5
oklch(88.4% 0.015 158.2)
-
Step 300
300
#B2C6B9
oklch(80.8% 0.028 157.2)
-
Step 400
400
#8AAA96
oklch(70.8% 0.046 157.6)
-
Step 500
500
#6C947C
oklch(63% 0.057 157.9)
-
Step 600
600
#537F65
oklch(55.7% 0.063 157.6)
-
Step 700
700
#446B54
oklch(49.2% 0.058 157.6)
-
Step 800
800
#385744
oklch(42.6% 0.049 156.7)
-
Step 900
900
#31483A
oklch(37.8% 0.037 157.4)
-
Step 950
950 (this color)
#040F08
oklch(15.4% 0.024 157.2)
#040F08 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) | #0F0D08 | 0.023 |
| Deuteranopia (no green cones) | #0D0C08 | 0.021 |
| Tritanopia (no blue cones) | #020F0D | 0.011 |
| Achromatopsia (no color) | #0D0D0D | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #040F08
#040F08
oklch(15.4% 0.024 157.2)
- #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 #040F08, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.017
- Rich Navy #001219 ΔE 0.034
- Very Dark Brown #1D0200 ΔE 0.070
- Rich Black #0D1B2A ΔE 0.078
- Dark Navy Blue #00022E ΔE 0.100
- Midnight #03012D ΔE 0.101
- Dark Navy #000435 ΔE 0.105
- Very Dark Blue #000133 ΔE 0.108
Use #040F08 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.