#040313
Closest named color: Almost Black (#070D0D). oklch(11.5% 0.04 282.6), rgb(4, 3, 19).
Aa
White text reads best on this color (20.43:1).
About this color
#040313 is a very dark, muted purple. In OKLCH its lightness is 11%, its chroma 0.040 and its hue 283°. 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 20.43:1.
| Hue family | Purples |
| Lightness | very dark (11%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.02:1 |
| White text | 20.43:1 |
Values
| HEX | #040313 |
| RGB | rgb(4, 3, 19) |
| HSL | hsl(244, 73%, 4%) |
| OKLCH | oklch(11.5% 0.04 282.6) |
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 #040313 | 20.43:1 | AAA | Lc -107.8 | Preferred for body text |
| Black text on #040313 | 1.02:1 | Fails | Lc 0.0 | Not readable |
| #040313 text on white | 20.43:1 | AAA | Lc 106.0 | Preferred for body text |
| #040313 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D6D7EB
oklch(88.4% 0.027 283.5)
-
Step 300
300
#BBBDDF
oklch(80.8% 0.048 282.6)
-
Step 400
400
#999BCF
oklch(70.7% 0.076 282.6)
-
Step 500
500
#8182C3
oklch(63.2% 0.097 282.6)
-
Step 600
600
#6B6AAF
oklch(55.6% 0.106 283.1)
-
Step 700
700
#595897
oklch(49.1% 0.099 282.8)
-
Step 800
800
#49487A
oklch(42.6% 0.082 283.3)
-
Step 900
900
#3D3D62
oklch(37.7% 0.063 283)
-
Step 950
950 (this color)
#040313
oklch(11.5% 0.04 282.6)
#040313 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) | #000514 | 0.019 |
| Deuteranopia (no green cones) | #000413 | 0.018 |
| Tritanopia (no blue cones) | #010609 | 0.034 |
| Achromatopsia (no color) | #050505 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #040313
#040313
oklch(11.5% 0.04 282.6)
- #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 #040313, 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 0.056
- Dark Navy Blue #00022E ΔE 0.060
- Rich Navy #001219 ΔE 0.065
- Very Dark Blue #000133 ΔE 0.070
- Dark Navy #000435 ΔE 0.074
- Very Dark Brown #1D0200 ΔE 0.086
- Rich Black #0D1B2A ΔE 0.105
Use #040313 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.