#040311
Closest named color: Almost Black (#070D0D). oklch(11.3% 0.036 284), rgb(4, 3, 17).
Aa
White text reads best on this color (20.46:1).
About this color
#040311 is a very dark, muted purple. In OKLCH its lightness is 11%, its chroma 0.036 and its hue 284°. Its hue sits on the cool side of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.055 away. White text reads best on it, at 20.46:1.
| Hue family | Purples |
| Lightness | very dark (11%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.02:1 |
| White text | 20.46:1 |
Values
| HEX | #040311 |
| RGB | rgb(4, 3, 17) |
| HSL | hsl(244, 70%, 4%) |
| OKLCH | oklch(11.3% 0.036 284) |
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 #040311 | 20.46:1 | AAA | Lc -107.8 | Preferred for body text |
| Black text on #040311 | 1.02:1 | Fails | Lc 0.0 | Not readable |
| #040311 text on white | 20.46:1 | AAA | Lc 106.0 | Preferred for body text |
| #040311 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D7D7E9
oklch(88.5% 0.025 285.9)
-
Step 300
300
#BDBDDC
oklch(80.8% 0.043 285.4)
-
Step 400
400
#9B9BCB
oklch(70.7% 0.07 284.5)
-
Step 500
500
#8382BD
oklch(63.1% 0.088 284.4)
-
Step 600
600
#6D6BA9
oklch(55.6% 0.095 284.3)
-
Step 700
700
#5B5991
oklch(49.1% 0.089 284.3)
-
Step 800
800
#4A4976
oklch(42.7% 0.074 283.8)
-
Step 900
900
#3E3D5F
oklch(37.7% 0.058 284.6)
-
Step 950
950 (this color)
#040311
oklch(11.3% 0.036 284)
#040311 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) | #000512 | 0.019 |
| Deuteranopia (no green cones) | #000411 | 0.018 |
| Tritanopia (no blue cones) | #010508 | 0.030 |
| Achromatopsia (no color) | #040404 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #040311
#040311
oklch(11.3% 0.036 284)
- #060500
#060500
oklch(11.3% 0.024 103.4)
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 #040311, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.055
- Midnight #03012D ΔE 0.061
- Dark Navy Blue #00022E ΔE 0.064
- Rich Navy #001219 ΔE 0.066
- Very Dark Blue #000133 ΔE 0.075
- Dark Navy #000435 ΔE 0.078
- Very Dark Brown #1D0200 ΔE 0.084
- Rich Black #0D1B2A ΔE 0.107
Use #040311 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.