Color

#4dbcd5

#4dbcd5
hex#4dbcd5
rgbrgb(77, 188, 213)
hslhsl(191, 62%, 57%)
oklchoklch(0.742 0.106 215.2)
Closest name: Blue Martini (#52b4d3)Relative luminance 0.4235

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d5664d

#4dd5aa · #4d78d5

#d54dbc · #bcd54d

Split-complementary

Open in tool →

#d54d78 · #d5aa4d

#aa4dd5 · #d5664d · #78d54d

Contrast

#4dbcd5 as textRatioAAAA largeAAAFix
Aaon white
2.22:1failfailfail
  • AA: use #238095 as the text (4.57:1)
  • AAA: use #1a6070 as the text (7.12:1)
  • AA: or shift the background to #424242 (4.53:1)
  • AAA: or shift the background to #212121 (7.26:1)
Aaon black
9.47:1passpasspassPasses 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 #4dbcd5 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

#4dbcd5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4dbcd5
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 #4dbcd5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4dbcd5-a2b6be-df4e7a-1f252d-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