#040F14
Closest named color: Rich Navy (#001219). oklch(16% 0.021 226.2), rgb(4, 15, 20).
Aa
White text reads best on this color (19.37:1).
About this color
#040F14 is a very dark close to neutral grey. In OKLCH its lightness is 16%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Rich Navy (#001219), ΔE 0.014 away. White text reads best on it, at 19.37:1.
| Hue family | Neutrals |
| Lightness | very dark (16%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.08:1 |
| White text | 19.37:1 |
Values
| HEX | #040F14 |
| RGB | rgb(4, 15, 20) |
| HSL | hsl(199, 67%, 5%) |
| OKLCH | oklch(16% 0.021 226.2) |
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 #040F14 | 19.37:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #040F14 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #040F14 text on white | 19.37:1 | AAA | Lc 105.6 | Preferred for body text |
| #040F14 text on black | 1.08:1 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#D0DBE0
oklch(88.5% 0.014 226.6)
-
Step 300
300
#B1C4CD
oklch(80.9% 0.024 227.8)
-
Step 400
400
#87A6B4
oklch(70.7% 0.04 227.1)
-
Step 500
500
#6990A1
oklch(63.1% 0.05 226.7)
-
Step 600
600
#507A8C
oklch(55.6% 0.054 226.8)
-
Step 700
700
#406777
oklch(49.1% 0.051 226)
-
Step 800
800
#355461
oklch(42.7% 0.042 226.3)
-
Step 900
900
#2F454F
oklch(37.6% 0.032 227.9)
-
Step 950
950 (this color)
#040F14
oklch(16% 0.021 226.2)
#040F14 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) | #0C0F14 | 0.015 |
| Deuteranopia (no green cones) | #0A0D14 | 0.013 |
| Tritanopia (no blue cones) | #001011 | 0.013 |
| Achromatopsia (no color) | #0D0D0D | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #040F14
#040F14
oklch(16% 0.021 226.2)
- #150A06
#150A06
oklch(15.9% 0.022 43.5)
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 #040F14, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.014
- Almost Black #070D0D ΔE 0.015
- Rich Black #0D1B2A ΔE 0.061
- Very Dark Brown #1D0200 ΔE 0.075
- Dark Navy Blue #00022E ΔE 0.076
- Midnight #03012D ΔE 0.077
- Dark Navy #000435 ΔE 0.080
- Very Dark Blue #000133 ΔE 0.084
Use #040F14 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.