#03040F
Closest named color: Almost Black (#070D0D). oklch(11.4% 0.029 274.6), rgb(3, 4, 15).
Aa
White text reads best on this color (20.42:1).
About this color
#03040F is a very dark close to neutral grey. In OKLCH its lightness is 11%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.048 away. White text reads best on it, at 20.42:1.
| Hue family | Neutrals |
| Lightness | very dark (11%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.02:1 |
| White text | 20.42:1 |
Values
| HEX | #03040F |
| RGB | rgb(3, 4, 15) |
| HSL | hsl(235, 67%, 4%) |
| OKLCH | oklch(11.4% 0.029 274.6) |
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 #03040F | 20.42:1 | AAA | Lc -107.8 | Preferred for body text |
| Black text on #03040F | 1.02:1 | Fails | Lc 0.0 | Not readable |
| #03040F text on white | 20.42:1 | AAA | Lc 106.0 | Preferred for body text |
| #03040F text on black | 1.02:1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D5D8E6
oklch(88.4% 0.019 276.3)
-
Step 300
300
#B9BFD7
oklch(80.8% 0.034 274.5)
-
Step 400
400
#969FC4
oklch(70.8% 0.055 274.2)
-
Step 500
500
#7C87B4
oklch(63.2% 0.069 273.6)
-
Step 600
600
#6670A0
oklch(55.6% 0.076 274.6)
-
Step 700
700
#545D89
oklch(49% 0.072 274.6)
-
Step 800
800
#454C6F
oklch(42.6% 0.059 274.9)
-
Step 900
900
#3A405A
oklch(37.7% 0.045 274)
-
Step 950
950 (this color)
#03040F
oklch(11.4% 0.029 274.6)
#03040F 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) | #01050F | 0.010 |
| Deuteranopia (no green cones) | #01040F | 0.009 |
| Tritanopia (no blue cones) | #010608 | 0.025 |
| Achromatopsia (no color) | #050505 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03040F
#03040F
oklch(11.4% 0.029 274.6)
- #070500
#070500
oklch(11.5% 0.024 97.4)
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 #03040F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.048
- Rich Navy #001219 ΔE 0.061
- Midnight #03012D ΔE 0.066
- Dark Navy Blue #00022E ΔE 0.068
- Very Dark Blue #000133 ΔE 0.078
- Dark Navy #000435 ΔE 0.082
- Very Dark Brown #1D0200 ΔE 0.082
- Rich Black #0D1B2A ΔE 0.105
Use #03040F 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.