#000520
Closest named color: Dark Navy Blue (#00022E). oklch(13.2% 0.062 262.1), rgb(0, 5, 32).
Aa
White text reads best on this color (20.14:1).
About this color
#000520 is a very dark, muted blue. In OKLCH its lightness is 13%, its chroma 0.062 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Navy Blue (#00022E), ΔE 0.030 away. White text reads best on it, at 20.14:1.
| Hue family | Blues |
| Lightness | very dark (13%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dark Navy Blue (#00022E) |
| Black text | 1.04:1 |
| White text | 20.14:1 |
Values
| HEX | #000520 |
| RGB | rgb(0, 5, 32) |
| HSL | hsl(231, 100%, 6%) |
| OKLCH | oklch(13.2% 0.062 262.1) |
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 #000520 | 20.14:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #000520 | 1.04:1 | Fails | Lc 0.0 | Not readable |
| #000520 text on white | 20.14:1 | AAA | Lc 105.8 | Preferred for body text |
| #000520 text on black | 1.04:1 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CBDAF5
oklch(88.6% 0.041 262.3)
-
Step 300
300
#A7C1F1
oklch(80.8% 0.074 262.5)
-
Step 400
400
#78A0E9
oklch(70.7% 0.116 261.9)
-
Step 500
500
#5686E3
oklch(63% 0.15 262.3)
-
Step 600
600
#3B6ED1
oklch(55.6% 0.163 262)
-
Step 700
700
#2E5BB5
oklch(49% 0.151 262.3)
-
Step 800
800
#274B92
oklch(42.7% 0.124 262.2)
-
Step 900
900
#243F75
oklch(37.7% 0.098 262.6)
-
Step 950
950 (this color)
#000520
oklch(13.2% 0.062 262.1)
#000520 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) | #000921 | 0.016 |
| Deuteranopia (no green cones) | #00061F | 0.005 |
| Tritanopia (no blue cones) | #000C11 | 0.047 |
| Achromatopsia (no color) | #070707 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #000520
#000520
oklch(13.2% 0.062 262.1)
- #0D0700
#0D0700
oklch(13.4% 0.027 84.6)
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 #000520, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Navy Blue #00022E ΔE 0.030
- Midnight #03012D ΔE 0.030
- Very Dark Blue #000133 ΔE 0.040
- Dark Navy #000435 ΔE 0.044
- Rich Navy #001219 ΔE 0.056
- Almost Black #070D0D ΔE 0.062
- Night Blue #040348 ΔE 0.083
- Navy Blue #001146 ΔE 0.088
Use #000520 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.