#040B06
Closest named color: Almost Black (#070D0D). oklch(13.9% 0.018 154.8), rgb(4, 11, 6).
Aa
White text reads best on this color (19.89:1).
About this color
#040B06 is a very dark close to neutral grey. In OKLCH its lightness is 14%, its chroma 0.018. 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 19.89:1.
| Hue family | Neutrals |
| Lightness | very dark (14%) |
| Chroma | close to neutral grey (0.018) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.05:1 |
| White text | 19.89:1 |
Values
| HEX | #040B06 |
| RGB | rgb(4, 11, 6) |
| HSL | hsl(137, 47%, 3%) |
| OKLCH | oklch(13.9% 0.018 154.8) |
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 #040B06 | 19.89:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #040B06 | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #040B06 text on white | 19.89:1 | AAA | Lc 105.9 | Preferred for body text |
| #040B06 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
#F4F6F4
oklch(97.1% 0.003 145.5)
-
Step 100
100
#E7EBE8
oklch(93.6% 0.006 153.8)
-
Step 200
200
#D3DCD6
oklch(88.6% 0.013 157)
-
Step 300
300
#B6C5BB
oklch(80.9% 0.021 156.7)
-
Step 400
400
#90A797
oklch(70.6% 0.035 155.1)
-
Step 500
500
#75927E
oklch(63.2% 0.044 154.8)
-
Step 600
600
#5D7C67
oklch(55.6% 0.048 154.9)
-
Step 700
700
#4D6856
oklch(49% 0.043 155.3)
-
Step 800
800
#3F5546
oklch(42.6% 0.037 154.8)
-
Step 900
900
#36463B
oklch(37.7% 0.028 154.9)
-
Step 950
950 (this color)
#040B06
oklch(13.9% 0.018 154.8)
#040B06 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) | #0B0A06 | 0.016 |
| Deuteranopia (no green cones) | #0A0906 | 0.016 |
| Tritanopia (no blue cones) | #030B09 | 0.008 |
| Achromatopsia (no color) | #090909 | 0.018 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #040B06
#040B06
oklch(13.9% 0.018 154.8)
- #0D060C
#0D060C
oklch(13.7% 0.019 331.2)
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 #040B06, 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 0.043
- Very Dark Brown #1D0200 ΔE 0.066
- Rich Black #0D1B2A ΔE 0.089
- Midnight #03012D ΔE 0.097
- Dark Navy Blue #00022E ΔE 0.097
- Dark Navy #000435 ΔE 0.105
- Very Dark Blue #000133 ΔE 0.106
Use #040B06 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.