Color

#4dc1ef

#4dc1ef
hex#4dc1ef
rgbrgb(77, 193, 239)
hslhsl(197, 84%, 62%)
oklchoklch(0.764 0.122 228)
Closest name: Blue Mana (#68c2f5)Relative luminance 0.4595

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef7b4d

#4defcc · #4d70ef

#ef4dc1 · #c1ef4d

Split-complementary

Open in tool →

#ef4d70 · #efcc4d

#cc4def · #ef7b4d · #70ef4d

Contrast

#4dc1ef as textRatioAAAA largeAAAFix
Aaon white
2.06:1failfailfail
  • AA: use #0f7da9 as the text (4.64:1)
  • AAA: use #0b5e7f as the text (7.19:1)
  • AA: or shift the background to #474747 (4.51:1)
  • AAA: or shift the background to #292929 (7.06:1)
Aaon black
10.19:1passpasspassPasses 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 #4dc1ef 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

#4dc1ef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4dc1ef
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 #4dc1ef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4dc1ef-9cb4c4-df4e6b-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