#040902
Closest named color: Almost Black (#070D0D). oklch(12.9% 0.025 134.7), rgb(4, 9, 2).
Aa
White text reads best on this color (20.09:1).
About this color
#040902 is a very dark close to neutral grey. In OKLCH its lightness is 13%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.032 away. White text reads best on it, at 20.09:1.
| Hue family | Neutrals |
| Lightness | very dark (13%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.04:1 |
| White text | 20.09:1 |
Values
| HEX | #040902 |
| RGB | rgb(4, 9, 2) |
| HSL | hsl(103, 64%, 2%) |
| OKLCH | oklch(12.9% 0.025 134.7) |
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 #040902 | 20.09:1 | AAA | Lc -107.8 | Preferred for body text |
| Black text on #040902 | 1.04:1 | Fails | Lc 0.0 | Not readable |
| #040902 text on white | 20.09:1 | AAA | Lc 105.9 | Preferred for body text |
| #040902 text on black | 1.04:1 | 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
#E7EBE6
oklch(93.6% 0.008 139.4)
-
Step 200
200
#D5DCD1
oklch(88.6% 0.017 133.8)
-
Step 300
300
#B9C5B2
oklch(80.9% 0.029 133.8)
-
Step 400
400
#95A78A
oklch(70.6% 0.046 133.6)
-
Step 500
500
#7A926D
oklch(63.1% 0.06 134.8)
-
Step 600
600
#637C55
oklch(55.6% 0.065 134.7)
-
Step 700
700
#526946
oklch(49.2% 0.06 135.2)
-
Step 800
800
#435539
oklch(42.6% 0.05 134.7)
-
Step 900
900
#394631
oklch(37.6% 0.039 133.8)
-
Step 950
950 (this color)
#040902
oklch(12.9% 0.025 134.7)
#040902 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) | #0A0802 | 0.016 |
| Deuteranopia (no green cones) | #090702 | 0.016 |
| Tritanopia (no blue cones) | #040807 | 0.019 |
| Achromatopsia (no color) | #070707 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #040902
#040902
oklch(12.9% 0.025 134.7)
- #0A050E
#0A050E
oklch(13% 0.024 311)
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 #040902, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.032
- Rich Navy #001219 ΔE 0.056
- Very Dark Brown #1D0200 ΔE 0.067
- Rich Black #0D1B2A ΔE 0.103
- Midnight #03012D ΔE 0.108
- Dark Navy Blue #00022E ΔE 0.108
- Dark Navy #000435 ΔE 0.117
- Very Dark Blue #000133 ΔE 0.117
Use #040902 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.