#040500
Closest named color: Almost Black (#070D0D). oklch(10.9% 0.025 116.4), rgb(4, 5, 0).
Aa
White text reads best on this color (20.45:1).
About this color
#040500 is a very dark close to neutral grey. In OKLCH its lightness is 11%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Almost Black (#070D0D), ΔE 0.050 away. White text reads best on it, at 20.45:1.
| Hue family | Neutrals |
| Lightness | very dark (11%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.02:1 |
| White text | 20.45:1 |
Values
| HEX | #040500 |
| RGB | rgb(4, 5, 0) |
| HSL | hsl(72, 100%, 1%) |
| OKLCH | oklch(10.9% 0.025 116.4) |
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 #040500 | 20.45:1 | AAA | Lc -107.9 | Preferred for body text |
| Black text on #040500 | 1.02:1 | Fails | Lc 0.0 | Not readable |
| #040500 text on white | 20.45:1 | AAA | Lc 106.0 | Preferred for body text |
| #040500 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E9EBE4
oklch(93.7% 0.01 119.6)
-
Step 200
200
#D8DBCF
oklch(88.6% 0.016 118.2)
-
Step 300
300
#BFC3AE
oklch(80.8% 0.029 115.8)
-
Step 400
400
#9EA583
oklch(70.7% 0.048 117.1)
-
Step 500
500
#878E64
oklch(63% 0.06 115.9)
-
Step 600
600
#71784B
oklch(55.5% 0.065 115.8)
-
Step 700
700
#5E653C
oklch(49% 0.061 116.6)
-
Step 800
800
#4D5332
oklch(42.8% 0.051 117)
-
Step 900
900
#40442C
oklch(37.6% 0.039 116)
-
Step 950
950 (this color)
#040500
oklch(10.9% 0.025 116.4)
#040500 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) | #060400 | 0.009 |
| Deuteranopia (no green cones) | #060400 | 0.009 |
| Tritanopia (no blue cones) | #050403 | 0.022 |
| Achromatopsia (no color) | #040404 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #040500
#040500
oklch(10.9% 0.025 116.4)
- #05030B
#05030B
oklch(10.9% 0.024 297.4)
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 #040500, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.050
- Very Dark Brown #1D0200 ΔE 0.070
- Rich Navy #001219 ΔE 0.075
- Black #000000 ΔE 0.112
- Midnight #03012D ΔE 0.116
- Dark Navy Blue #00022E ΔE 0.117
- Rich Black #0D1B2A ΔE 0.122
- Very Dark Blue #000133 ΔE 0.127
Use #040500 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.