Color

#10344c

#10344c
hex#10344c
rgbrgb(16, 52, 76)
hslhsl(204, 65%, 18%)
oklchoklch(0.312 0.059 241.6)
Closest name: Beyond the Stars (#0a3251)Relative luminance 0.0309

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4c2810

#104c46 · #10164c

#4c1034 · #344c10

Split-complementary

Open in tool →

#4c1016 · #4c4610

#46104c · #4c2810 · #164c10

Contrast

#10344c as textRatioAAAA largeAAAFix
Aaon white
12.98:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #267cb5 as the text (4.63:1)
  • AAA: use #469dd8 as the text (7.07:1)
  • AA: or shift the background to #999999 (4.56:1)
  • AAA: or shift the background to #bfbfbf (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #10344c as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#10344c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #10344c
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 #10344c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/10344c-9cafc4-df4e5a-1f222d-e9f1f0?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