Color

#0a34cd

#0a34cd
hex#0a34cd
rgbrgb(10, 52, 205)
hslhsl(227, 91%, 42%)
oklchoklch(0.43 0.234 264.5)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0693

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cda20a

#0a95cd · #410acd

#cd0a34 · #34cd0a

Split-complementary

Open in tool →

#cd410a · #95cd0a

#cd0a95 · #cda20a · #0acd41

Contrast

#0a34cd as textRatioAAAA largeAAAFix
Aaon white
8.8:1passpasspassPasses AAA — no fix needed.
Aaon black
2.39:1failfailfail
  • AA: use #4168f6 as the text (4.54:1)
  • AAA: use #7793f9 as the text (7.33:1)
  • AA: or shift the background to #bababa (4.54:1)
  • AAA: or shift the background to #e6e6e6 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a34cd as the background.

Brands using this color

Fonts for this mood

#0a34cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a34cd
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 #0a34cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a34cd-9ca0c4-df7a4e-221f2d-e9eff1?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