#040C02
Closest named color: Almost Black (#070D0D). oklch(14% 0.031 137.3), rgb(4, 12, 2).
Aa
White text reads best on this color (19.83:1).
About this color
#040C02 is a very dark, muted green. In OKLCH its lightness is 14%, its chroma 0.031 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.030 away. White text reads best on it, at 19.83:1.
| Hue family | Greens |
| Lightness | very dark (14%) |
| Chroma | muted (0.031) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.05:1 |
| White text | 19.83:1 |
Values
| HEX | #040C02 |
| RGB | rgb(4, 12, 2) |
| HSL | hsl(108, 71%, 3%) |
| OKLCH | oklch(14% 0.031 137.3) |
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 #040C02 | 19.83:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #040C02 | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #040C02 text on white | 19.83:1 | AAA | Lc 105.8 | Preferred for body text |
| #040C02 text on black | 1.05:1 | 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
#D3DCCF
oklch(88.4% 0.02 135.8)
-
Step 300
300
#B6C7B0
oklch(81% 0.037 137.5)
-
Step 400
400
#8FAA86
oklch(70.8% 0.059 137.9)
-
Step 500
500
#749467
oklch(63% 0.075 136.9)
-
Step 600
600
#5C7F4E
oklch(55.7% 0.083 137.1)
-
Step 700
700
#4B6B3F
oklch(49.1% 0.077 137.5)
-
Step 800
800
#3E5734
oklch(42.7% 0.063 137.1)
-
Step 900
900
#35482E
oklch(37.8% 0.049 137.5)
-
Step 950
950 (this color)
#040C02
oklch(14% 0.031 137.3)
#040C02 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) | #0D0A02 | 0.021 |
| Deuteranopia (no green cones) | #0B0902 | 0.020 |
| Tritanopia (no blue cones) | #040B09 | 0.022 |
| Achromatopsia (no color) | #0A0A0A | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #040C02
#040C02
oklch(14% 0.031 137.3)
- #0E0512
#0E0512
oklch(13.9% 0.033 315.7)
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 #040C02, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.030
- Rich Navy #001219 ΔE 0.051
- Very Dark Brown #1D0200 ΔE 0.069
- Rich Black #0D1B2A ΔE 0.096
- Dark Navy Blue #00022E ΔE 0.111
- Midnight #03012D ΔE 0.112
- Dark Navy #000435 ΔE 0.118
- Very Dark Blue #000133 ΔE 0.120
Use #040C02 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.