Color

#0129bc

#0129bc
hex#0129bc
rgbrgb(1, 41, 188)
hslhsl(227, 99%, 37%)
oklchoklch(0.394 0.226 264.1)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0522

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bc9301

#0187bc · #3601bc

#bc0129 · #29bc01

Split-complementary

Open in tool →

#bc3601 · #87bc01

#bc0187 · #bc9301 · #01bc36

Contrast

#0129bc as textRatioAAAA largeAAAFix
Aaon white
10.27:1passpasspassPasses AAA — no fix needed.
Aaon black
2.04:1failfailfail
  • AA: use #3e68fe as the text (4.62:1)
  • AAA: use #7190fe as the text (7.12:1)
  • AA: or shift the background to #adadad (4.58:1)
  • AAA: or shift the background to #d6d6d6 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0129bc 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

#0129bc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0129bc
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 #0129bc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0129bc-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