Color

#0a034a

#0a034a
hex#0a034a
rgbrgb(10, 3, 74)
hslhsl(246, 92%, 15%)
oklchoklch(0.198 0.12 272.3)
Closest name: Ravenclaw (#0a0555)Relative luminance 0.0062

Tints & shades

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

Harmonies

Complementary

Open in tool →

#424903

#031f49 · #2d0349

#490a03 · #03490a

Split-complementary

Open in tool →

#492d03 · #1f4903

#49031f · #424903 · #03492d

Contrast

#0a034a as textRatioAAAA largeAAAFix
Aaon white
18.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.12:1failfailfail
  • AA: use #6d5df8 as the text (4.57:1)
  • AAA: use #9589fa as the text (7.24:1)
  • AA: or shift the background to #7d7d7d (4.54:1)
  • AAA: or shift the background to #a1a1a1 (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a034a as the background.

Brands using this color

Fonts for this mood

#0a034a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a034a
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 #0a034a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a034a-a59cc4-dfa74e-271f2d-e9ecf1?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