Color

#0a2bbd

#0a2bbd
hex#0a2bbd
rgbrgb(10, 43, 189)
hslhsl(229, 90%, 39%)
oklchoklch(0.399 0.224 264.9)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0547

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bd9c0a

#0a84bd · #430abd

#bd0a2b · #2bbd0a

Split-complementary

Open in tool →

#bd430a · #84bd0a

#bd0a84 · #bd9c0a · #0abd43

Contrast

#0a2bbd as textRatioAAAA largeAAAFix
Aaon white
10.03:1passpasspassPasses AAA — no fix needed.
Aaon black
2.09:1failfailfail
  • AA: use #4767f5 as the text (4.53:1)
  • AAA: use #778ff8 as the text (7.07:1)
  • AA: or shift the background to #b0b0b0 (4.63:1)
  • AAA: or shift the background to #d9d9d9 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a2bbd 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

#0a2bbd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a2bbd
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 #0a2bbd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a2bbd-9c9fc4-df7e4e-231f2d-e9eef1?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