Color

#0425b9

#0425b9
hex#0425b9
rgbrgb(4, 37, 185)
hslhsl(229, 96%, 37%)
oklchoklch(0.385 0.226 264.5)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0485

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b99804

#0480b9 · #3d04b9

#b90425 · #25b904

Split-complementary

Open in tool →

#b93d04 · #80b904

#b90480 · #b99804 · #04b93d

Contrast

#0425b9 as textRatioAAAA largeAAAFix
Aaon white
10.66:1passpasspassPasses AAA — no fix needed.
Aaon black
1.97:1failfailfail
  • AA: use #4667fb as the text (4.59:1)
  • AAA: use #7890fc as the text (7.19:1)
  • AA: or shift the background to #ababab (4.64:1)
  • AAA: or shift the background to #d4d4d4 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0425b9 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

#0425b9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0425b9
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 #0425b9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0425b9-9c9fc4-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