#040A14
Closest named color: Almost Black (#070D0D). oklch(14.3% 0.025 255.7), rgb(4, 10, 20).
Aa
White text reads best on this color (19.83:1).
About this color
#040A14 is a very dark close to neutral grey. In OKLCH its lightness is 14%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.024 away. White text reads best on it, at 19.83:1.
| Hue family | Neutrals |
| Lightness | very dark (14%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.05:1 |
| White text | 19.83:1 |
Values
| HEX | #040A14 |
| RGB | rgb(4, 10, 20) |
| HSL | hsl(218, 67%, 5%) |
| OKLCH | oklch(14.3% 0.025 255.7) |
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 #040A14 | 19.83:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #040A14 | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #040A14 text on white | 19.83:1 | AAA | Lc 105.8 | Preferred for body text |
| #040A14 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
#F4F6F8
oklch(97.2% 0.003 247.9)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D2DAE4
oklch(88.5% 0.016 253.9)
-
Step 300
300
#B4C2D4
oklch(80.9% 0.03 254.7)
-
Step 400
400
#8DA2BE
oklch(70.6% 0.047 255.7)
-
Step 500
500
#718BAE
oklch(63% 0.061 256)
-
Step 600
600
#59759A
oklch(55.6% 0.067 255.6)
-
Step 700
700
#496283
oklch(49% 0.061 255.6)
-
Step 800
800
#3C506B
oklch(42.6% 0.052 256.1)
-
Step 900
900
#344357
oklch(37.8% 0.04 255.8)
-
Step 950
950 (this color)
#040A14
oklch(14.3% 0.025 255.7)
#040A14 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) | #060B14 | 0.007 |
| Deuteranopia (no green cones) | #050914 | 0.005 |
| Tritanopia (no blue cones) | #000C0E | 0.021 |
| Achromatopsia (no color) | #0A0A0A | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #040A14
#040A14
oklch(14.3% 0.025 255.7)
- #100801
#100801
oklch(14.3% 0.026 74.5)
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 #040A14, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.024
- Rich Navy #001219 ΔE 0.031
- Midnight #03012D ΔE 0.064
- Dark Navy Blue #00022E ΔE 0.065
- Dark Navy #000435 ΔE 0.073
- Very Dark Blue #000133 ΔE 0.074
- Very Dark Brown #1D0200 ΔE 0.075
- Rich Black #0D1B2A ΔE 0.075
Use #040A14 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.