#040E03
Closest named color: Almost Black (#070D0D). oklch(14.8% 0.032 141), rgb(4, 14, 3).
Aa
White text reads best on this color (19.63:1).
About this color
#040E03 is a very dark, muted green. In OKLCH its lightness is 15%, its chroma 0.032 and its hue 141°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.028 away. White text reads best on it, at 19.63:1.
| Hue family | Greens |
| Lightness | very dark (15%) |
| Chroma | muted (0.032) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.06:1 |
| White text | 19.63:1 |
Values
| HEX | #040E03 |
| RGB | rgb(4, 14, 3) |
| HSL | hsl(115, 65%, 3%) |
| OKLCH | oklch(14.8% 0.032 141) |
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 #040E03 | 19.63:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #040E03 | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #040E03 text on white | 19.63:1 | AAA | Lc 105.7 | Preferred for body text |
| #040E03 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E6ECE5
oklch(93.7% 0.011 141.3)
-
Step 200
200
#D2DDD0
oklch(88.6% 0.021 140.9)
-
Step 300
300
#B4C7B0
oklch(80.9% 0.038 140.2)
-
Step 400
400
#8CAB87
oklch(70.8% 0.062 141.2)
-
Step 500
500
#6F9669
oklch(63.2% 0.079 141.3)
-
Step 600
600
#578050
oklch(55.7% 0.085 140.9)
-
Step 700
700
#476C41
oklch(49.1% 0.079 141)
-
Step 800
800
#3A5836
oklch(42.7% 0.065 141.6)
-
Step 900
900
#32482F
oklch(37.6% 0.05 141.6)
-
Step 950
950 (this color)
#040E03
oklch(14.8% 0.032 141)
#040E03 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) | #0F0C02 | 0.023 |
| Deuteranopia (no green cones) | #0D0B03 | 0.022 |
| Tritanopia (no blue cones) | #030D0B | 0.022 |
| Achromatopsia (no color) | #0B0B0B | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #040E03
#040E03
oklch(14.8% 0.032 141)
- #110613
#110613
oklch(14.8% 0.034 321.6)
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 #040E03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.028
- Rich Navy #001219 ΔE 0.047
- Very Dark Brown #1D0200 ΔE 0.070
- Rich Black #0D1B2A ΔE 0.089
- Dark Navy Blue #00022E ΔE 0.111
- Midnight #03012D ΔE 0.111
- Dark Navy #000435 ΔE 0.117
- Very Dark Blue #000133 ΔE 0.119
Use #040E03 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.