Color

#0227bb

#0227bb
hex#0227bb
rgbrgb(2, 39, 187)
hslhsl(228, 98%, 37%)
oklchoklch(0.39 0.227 264.2)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0505

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb9602

#0283bb · #3902bb

#bb0227 · #27bb02

Split-complementary

Open in tool →

#bb3902 · #83bb02

#bb0283 · #bb9602 · #02bb39

Contrast

#0227bb as textRatioAAAA largeAAAFix
Aaon white
10.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.01:1failfailfail
  • AA: use #4469fd as the text (4.68:1)
  • AAA: use #728efe as the text (7.02:1)
  • AA: or shift the background to #ababab (4.55:1)
  • AAA: or shift the background to #d4d4d4 (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 #0227bb 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

#0227bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0227bb
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 #0227bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0227bb-9c9fc4-df7c4e-231f2d-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