#04050F
Closest named color: Almost Black (#070D0D). oklch(12% 0.025 275.7), rgb(4, 5, 15).
Aa
White text reads best on this color (20.31:1).
About this color
#04050F is a very dark close to neutral grey. In OKLCH its lightness is 12%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.041 away. White text reads best on it, at 20.31:1.
| Hue family | Neutrals |
| Lightness | very dark (12%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.03:1 |
| White text | 20.31:1 |
Values
| HEX | #04050F |
| RGB | rgb(4, 5, 15) |
| HSL | hsl(235, 58%, 4%) |
| OKLCH | oklch(12% 0.025 275.7) |
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 #04050F | 20.31:1 | AAA | Lc -107.8 | Preferred for body text |
| Black text on #04050F | 1.03:1 | Fails | Lc 0.0 | Not readable |
| #04050F text on white | 20.31:1 | AAA | Lc 106.0 | Preferred for body text |
| #04050F text on black | 1.03:1 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D6D8E4
oklch(88.4% 0.017 278.5)
-
Step 300
300
#BBBFD4
oklch(80.8% 0.03 277.1)
-
Step 400
400
#989FBF
oklch(70.8% 0.047 275.4)
-
Step 500
500
#7F87AF
oklch(63.2% 0.061 275.7)
-
Step 600
600
#68709A
oklch(55.5% 0.066 275.7)
-
Step 700
700
#575E84
oklch(49.2% 0.062 275.9)
-
Step 800
800
#474D6B
oklch(42.8% 0.05 275.3)
-
Step 900
900
#3B4057
oklch(37.7% 0.04 274.8)
-
Step 950
950 (this color)
#04050F
oklch(12% 0.025 275.7)
#04050F 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) | #03060F | 0.006 |
| Deuteranopia (no green cones) | #02050F | 0.007 |
| Tritanopia (no blue cones) | #020708 | 0.024 |
| Achromatopsia (no color) | #060606 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04050F
#04050F
oklch(12% 0.025 275.7)
- #080600
#080600
oklch(12.2% 0.025 99.3)
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 #04050F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.041
- Rich Navy #001219 ΔE 0.055
- Midnight #03012D ΔE 0.067
- Dark Navy Blue #00022E ΔE 0.069
- Very Dark Brown #1D0200 ΔE 0.076
- Very Dark Blue #000133 ΔE 0.079
- Dark Navy #000435 ΔE 0.081
- Rich Black #0D1B2A ΔE 0.099
Use #04050F 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.