Color

#0129ef

#0129ef
hex#0129ef
rgbrgb(1, 41, 239)
hslhsl(230, 99%, 47%)
oklchoklch(0.455 0.281 264.3)
Closest name: Blue Overdose (#0020ef)Relative luminance 0.0782

Tints & shades

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

Harmonies

Complementary

Open in tool →

#efc701

#019fef · #5001ef

#ef0129 · #29ef01

Split-complementary

Open in tool →

#ef5001 · #9fef01

#ef019f · #efc701 · #01ef50

Contrast

#0129ef as textRatioAAAA largeAAAFix
Aaon white
8.19:1passpasspassPasses AAA — no fix needed.
Aaon black
2.56:1failfailfail
  • AA: use #4867fe as the text (4.65:1)
  • AAA: use #768dfe as the text (7.01:1)
  • AA: or shift the background to #c2c2c2 (4.6:1)
  • AAA: or shift the background to #f0f0f0 (7.18:1)

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

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

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

tool url/palettes/new/0129ef-9c9ec4-df814e-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