Color

#0a75cd

#0a75cd
hex#0a75cd
rgbrgb(10, 117, 205)
hslhsl(207, 91%, 42%)
oklchoklch(0.557 0.16 251.4)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1719

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cd610a

#0acdc3 · #0a13cd

#cd0a75 · #75cd0a

Split-complementary

Open in tool →

#cd0a13 · #cdc30a

#c30acd · #cd610a · #13cd0a

Contrast

#0a75cd as textRatioAAAA largeAAAFix
Aaon white
4.73:1passpassfail
  • AAA: use #07599c as the text (7.2:1)
Aaon black
4.44:1failpassfail
  • AA: use #0a78d1 as the text (4.62:1)
  • AAA: use #2e9bf5 as the text (7.12:1)
  • AA: or shift the background to #fafafa (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a75cd as the background.

Brands using this color

Fonts for this mood

#0a75cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a75cd
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 #0a75cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a75cd-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