Color

#1cb2fd

#1cb2fd
hex#1cb2fd
rgbrgb(28, 178, 253)
hslhsl(200, 98%, 55%)
oklchoklch(0.726 0.157 238.6)
Closest name: Cerulean (#55aaee)Relative luminance 0.3918

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fd671c

#1cfdd7 · #1c41fd

#fd1cb2 · #b2fd1c

Split-complementary

Open in tool →

#fd1c41 · #fdd71c

#d71cfd · #fd671c · #41fd1c

Contrast

#1cb2fd as textRatioAAAA largeAAAFix
Aaon white
2.38:1failfailfail
  • AA: use #027dbb as the text (4.51:1)
  • AAA: use #015b88 as the text (7.36:1)
  • AA: or shift the background to #3d3d3d (4.57:1)
  • AAA: or shift the background to #1c1c1c (7.17:1)
Aaon black
8.84:1passpasspassPasses 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 #1cb2fd as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1cb2fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1cb2fd
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 #1cb2fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1cb2fd-9cb2c4-df4e64-1f232d-e9f1f0?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