Color

#0d64ab

#0d64ab
hex#0d64ab
rgbrgb(13, 100, 171)
hslhsl(207, 86%, 36%)
oklchoklch(0.495 0.135 250.3)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1214

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab540d

#0daba3 · #0d15ab

#ab0d64 · #64ab0d

Split-complementary

Open in tool →

#ab0d15 · #aba30d

#a30dab · #ab540d · #15ab0d

Contrast

#0d64ab as textRatioAAAA largeAAAFix
Aaon white
6.13:1passpassfail
Aaon black
3.43:1failpassfail
  • AA: use #0f77cc as the text (4.53:1)
  • AAA: use #339bf0 as the text (7.09:1)
  • AA: or shift the background to #dedede (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d64ab as the background.

Brands using this color

Fonts for this mood

#0d64ab reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d64ab
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 #0d64ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d64ab-9cadc4-df4e53-1f212d-e9f1f1?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