Color

#1eb5eb

#1eb5eb
hex#1eb5eb
rgbrgb(30, 181, 235)
hslhsl(196, 84%, 52%)
oklchoklch(0.725 0.138 229.5)
Closest name: Blue Bikini (#00bbee)Relative luminance 0.3932

Tints & shades

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

Harmonies

Complementary

Open in tool →

#eb551e

#1eebbb · #1e4eeb

#eb1eb5 · #b5eb1e

Split-complementary

Open in tool →

#eb1e4e · #ebbb1e

#bb1eeb · #eb551e · #4eeb1e

Contrast

#1eb5eb as textRatioAAAA largeAAAFix
Aaon white
2.37:1failfailfail
  • AA: use #0e7ca4 as the text (4.73:1)
  • AAA: use #0b607f as the text (7.01:1)
  • AA: or shift the background to #3d3d3d (4.59:1)
  • AAA: or shift the background to #1c1c1c (7.19:1)
Aaon black
8.86:1passpasspassPasses 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 #1eb5eb as the background.

Brands using this color

Fonts for this mood

#1eb5eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1eb5eb
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 #1eb5eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1eb5eb-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