Color

#45cfde

#45cfde
hex#45cfde
rgbrgb(69, 207, 222)
hslhsl(186, 70%, 57%)
oklchoklch(0.788 0.117 205.6)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.5116

Tints & shades

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

Harmonies

Complementary

Open in tool →

#de5445

#45dea1 · #4582de

#de45cf · #cfde45

Split-complementary

Open in tool →

#de4582 · #dea145

#a145de · #de5445 · #82de45

Contrast

#45cfde as textRatioAAAA largeAAAFix
Aaon white
1.87:1failfailfail
  • AA: use #187f8b as the text (4.72:1)
  • AAA: use #125f68 as the text (7.34:1)
  • AA: or shift the background to #4d4d4d (4.52:1)
  • AAA: or shift the background to #303030 (7.06:1)
Aaon black
11.23:1passpasspassPasses 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 #45cfde 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

#45cfde reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #45cfde
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 #45cfde and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45cfde-a2b8be-df4e86-1f262d-e9f1ee?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