#04090E
Closest named color: Almost Black (#070D0D). oklch(13.6% 0.015 242.1), rgb(4, 9, 14).
Aa
White text reads best on this color (19.98:1).
About this color
#04090E is a very dark close to neutral grey. In OKLCH its lightness is 14%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.020 away. White text reads best on it, at 19.98:1.
| Hue family | Neutrals |
| Lightness | very dark (14%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.05:1 |
| White text | 19.98:1 |
Values
| HEX | #04090E |
| RGB | rgb(4, 9, 14) |
| HSL | hsl(210, 56%, 4%) |
| OKLCH | oklch(13.6% 0.015 242.1) |
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 #04090E | 19.98:1 | AAA | Lc -107.8 | Preferred for body text |
| Black text on #04090E | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #04090E text on white | 19.98:1 | AAA | Lc 105.9 | Preferred for body text |
| #04090E 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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D4DADF
oklch(88.5% 0.009 242.9)
-
Step 300
300
#B7C2CC
oklch(80.9% 0.019 245.4)
-
Step 400
400
#91A3B2
oklch(70.6% 0.03 243.3)
-
Step 500
500
#768D9E
oklch(63.1% 0.037 240.2)
-
Step 600
600
#5F7789
oklch(55.7% 0.04 240.8)
-
Step 700
700
#4E6475
oklch(49.2% 0.038 241.7)
-
Step 800
800
#40515F
oklch(42.6% 0.032 243.4)
-
Step 900
900
#36434E
oklch(37.6% 0.025 244)
-
Step 950
950 (this color)
#04090E
oklch(13.6% 0.015 242.1)
#04090E 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) | #07090E | 0.008 |
| Deuteranopia (no green cones) | #06080E | 0.007 |
| Tritanopia (no blue cones) | #020A0B | 0.011 |
| Achromatopsia (no color) | #080808 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04090E
#04090E
oklch(13.6% 0.015 242.1)
- #0D0703
#0D0703
oklch(13.6% 0.017 64.9)
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 #04090E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.020
- Rich Navy #001219 ΔE 0.038
- Very Dark Brown #1D0200 ΔE 0.070
- Midnight #03012D ΔE 0.075
- Dark Navy Blue #00022E ΔE 0.076
- Rich Black #0D1B2A ΔE 0.085
- Dark Navy #000435 ΔE 0.085
- Very Dark Blue #000133 ΔE 0.085
Use #04090E 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.