Color

#01a7ef

#01a7ef
hex#01a7ef
rgbrgb(1, 167, 239)
hslhsl(198, 99%, 47%)
oklchoklch(0.692 0.154 238.1)
Closest name: Cerulean (#55aaee)Relative luminance 0.3388

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef4801

#01efbf · #0131ef

#ef01a7 · #a7ef01

Split-complementary

Open in tool →

#ef0131 · #efbf01

#bf01ef · #ef4801 · #31ef01

Contrast

#01a7ef as textRatioAAAA largeAAAFix
Aaon white
2.7:1failfailfail
  • AA: use #017db2 as the text (4.59:1)
  • AAA: use #015d84 as the text (7.24:1)
  • AA: or shift the background to #333333 (4.68:1)
  • AAA: or shift the background to #0f0f0f (7.1:1)
Aaon black
7.78:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #01a7ef as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#01a7ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #01a7ef
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 #01a7ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01a7ef-9cb3c4-df4e69-1f232d-e9f1f0?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