Color

#01afef

#01afef
hex#01afef
rgbrgb(1, 175, 239)
hslhsl(196, 99%, 47%)
oklchoklch(0.71 0.148 233.8)
Closest name: Cerulean (#55aaee)Relative luminance 0.369

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef4001

#01efb7 · #0139ef

#ef01af · #afef01

Split-complementary

Open in tool →

#ef0139 · #efb701

#b701ef · #ef4001 · #39ef01

Contrast

#01afef as textRatioAAAA largeAAAFix
Aaon white
2.51:1failfailfail
  • AA: use #017fad as the text (4.53:1)
  • AAA: use #015d7f as the text (7.31:1)
  • AA: or shift the background to #383838 (4.68:1)
  • AAA: or shift the background to #171717 (7.15:1)
Aaon black
8.38:1passpasspassPasses 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 #01afef as the background.

Brands using this color

Palettes built around it

Fonts for this mood

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

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

tool url/palettes/new/01afef-9cb5c4-df4e6e-1f232d-e9f1ef?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