#040D00
Closest named color: Almost Black (#070D0D). oklch(14.3% 0.04 133.1), rgb(4, 13, 0).
Aa
White text reads best on this color (19.76:1).
About this color
#040D00 is a very dark, muted green. In OKLCH its lightness is 14%, its chroma 0.040 and its hue 133°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.038 away. White text reads best on it, at 19.76:1.
| Hue family | Greens |
| Lightness | very dark (14%) |
| Chroma | muted (0.040) |
| Temperature | in between |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.06:1 |
| White text | 19.76:1 |
Values
| HEX | #040D00 |
| RGB | rgb(4, 13, 0) |
| HSL | hsl(102, 100%, 3%) |
| OKLCH | oklch(14.3% 0.04 133.1) |
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 #040D00 | 19.76:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #040D00 | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #040D00 text on white | 19.76:1 | AAA | Lc 105.8 | Preferred for body text |
| #040D00 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E6ECE3
oklch(93.6% 0.014 134.9)
-
Step 200
200
#D2DDCB
oklch(88.4% 0.027 133)
-
Step 300
300
#B5C8A8
oklch(81% 0.049 132.6)
-
Step 400
400
#8EAB7A
oklch(70.6% 0.076 133)
-
Step 500
500
#729657
oklch(63% 0.098 132.8)
-
Step 600
600
#5A803C
oklch(55.5% 0.106 133)
-
Step 700
700
#4A6C2E
oklch(49% 0.098 132.8)
-
Step 800
800
#3D5827
oklch(42.6% 0.081 132.7)
-
Step 900
900
#344924
oklch(37.8% 0.065 132.9)
-
Step 950
950 (this color)
#040D00
oklch(14.3% 0.04 133.1)
#040D00 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) | #0E0B00 | 0.023 |
| Deuteranopia (no green cones) | #0D0A01 | 0.025 |
| Tritanopia (no blue cones) | #040C09 | 0.030 |
| Achromatopsia (no color) | #0A0A0A | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #040D00
#040D00
oklch(14.3% 0.04 133.1)
- #0F0515
#0F0515
oklch(14.3% 0.039 312.4)
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 #040D00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.038
- Rich Navy #001219 ΔE 0.057
- Very Dark Brown #1D0200 ΔE 0.073
- Rich Black #0D1B2A ΔE 0.099
- Dark Navy Blue #00022E ΔE 0.120
- Midnight #03012D ΔE 0.121
- Dark Forest Green #002D04 ΔE 0.123
- Dark Brown #341C02 ΔE 0.123
Use #040D00 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.