Color

#0d0e3a

#0d0e3a
hex#0d0e3a
rgbrgb(13, 14, 58)
hslhsl(239, 63%, 14%)
oklchoklch(0.199 0.083 274.9)
Closest name: Infinite Night (#071037)Relative luminance 0.0071

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#3a390d

#0d243a · #230d3a

#3a0d0e · #0e3a0d

Split-complementary

Open in tool →

#3a230d · #243a0d

#3a0d24 · #3a390d · #0d3a23

Contrast

#0d0e3a as textRatioAAAA largeAAAFix
Aaon white
18.4:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #6567dc as the text (4.53:1)
  • AAA: use #8f90e6 as the text (7.3:1)
  • AA: or shift the background to #808080 (4.66:1)
  • AAA: or shift the background to #a1a1a1 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d0e3a as the background.

Brands using this color

Fonts for this mood

#0d0e3a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d0e3a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #0d0e3a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d0e3a-a09cc4-df964e-251f2d-e9edf1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md