#0A0D2B
Closest named color: Dark Navy (#000435). oklch(17.8% 0.06 274.2), rgb(10, 13, 43).
Aa
White text reads best on this color (18.99:1).
About this color
#0A0D2B is a very dark, muted blue. In OKLCH its lightness is 18%, its chroma 0.060 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Navy (#000435), ΔE 0.042 away. White text reads best on it, at 18.99:1.
| Hue family | Blues |
| Lightness | very dark (18%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dark Navy (#000435) |
| Black text | 1.10:1 |
| White text | 18.99:1 |
Values
| HEX | #0A0D2B |
| RGB | rgb(10, 13, 43) |
| HSL | hsl(235, 62%, 10%) |
| OKLCH | oklch(17.8% 0.06 274.2) |
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 #0A0D2B | 18.99:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #0A0D2B | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #0A0D2B text on white | 18.99:1 | AAA | Lc 105.3 | Preferred for body text |
| #0A0D2B text on black | 1.10:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#D1D8F4
oklch(88.6% 0.039 274.4)
-
Step 300
300
#B2BEEF
oklch(80.9% 0.071 274)
-
Step 400
400
#8B9BE8
oklch(70.8% 0.114 274.2)
-
Step 500
500
#7080E0
oklch(63.1% 0.145 274.4)
-
Step 600
600
#5967CE
oklch(55.6% 0.158 274.3)
-
Step 700
700
#4955B3
oklch(49.1% 0.148 274.1)
-
Step 800
800
#3C4690
oklch(42.6% 0.121 274.3)
-
Step 900
900
#333C73
oklch(37.8% 0.094 274)
-
Step 950
950 (this color)
#0A0D2B
oklch(17.8% 0.06 274.2)
#0A0D2B 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) | #00122C | 0.021 |
| Deuteranopia (no green cones) | #000F2A | 0.019 |
| Tritanopia (no blue cones) | #00141A | 0.050 |
| Achromatopsia (no color) | #101010 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0A0D2B
#0A0D2B
oklch(17.8% 0.06 274.2)
- #161100
#161100
oklch(17.9% 0.037 96.5)
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 #0A0D2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Navy #000435 ΔE 0.042
- Midnight #03012D ΔE 0.046
- Dark Navy Blue #00022E ΔE 0.048
- Rich Navy #001219 ΔE 0.048
- Rich Black #0D1B2A ΔE 0.050
- Very Dark Blue #000133 ΔE 0.050
- Navy Blue #001146 ΔE 0.055
- Night Blue #040348 ΔE 0.062
Use #0A0D2B 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.