Color

#5bcfe6

#5bcfe6
hex#5bcfe6
rgbrgb(91, 207, 230)
hslhsl(190, 74%, 63%)
oklchoklch(0.797 0.109 212.8)
Closest name: skyblue (#87ceeb)Relative luminance 0.5256

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e6725b

#5be6b8 · #5b89e6

#e65bcf · #cfe65b

Split-complementary

Open in tool →

#e65b89 · #e6b85b

#b85be6 · #e6725b · #89e65b

Contrast

#5bcfe6 as textRatioAAAA largeAAAFix
Aaon white
1.82:1failfailfail
  • AA: use #178197 as the text (4.54:1)
  • AAA: use #115f6f as the text (7.27:1)
  • AA: or shift the background to #4d4d4d (4.63:1)
  • AAA: or shift the background to #303030 (7.24:1)
Aaon black
11.51:1passpasspassPasses 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 #5bcfe6 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

#5bcfe6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5bcfe6
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 #5bcfe6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bcfe6-a2b6be-df4e7c-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