Color

#1d9de7

#1d9de7
hex#1d9de7
rgbrgb(29, 157, 231)
hslhsl(202, 81%, 51%)
oklchoklch(0.667 0.15 241.7)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.3014

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e7671d

#1de7cc · #1d38e7

#e71d9d · #9de71d

Split-complementary

Open in tool →

#e71d38 · #e7cc1d

#cc1de7 · #e7671d · #38e71d

Contrast

#1d9de7 as textRatioAAAA largeAAAFix
Aaon white
2.99:1failfailfail
  • AA: use #137cb9 as the text (4.55:1)
  • AAA: use #0f5d8a as the text (7.11:1)
  • AA: or shift the background to #2e2e2e (4.55:1)
  • AAA: or shift the background to #000000 (7.03:1)
Aaon black
7.03:1passpasspassPasses 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 #1d9de7 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

#1d9de7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d9de7
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 #1d9de7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d9de7-9cb1c4-df4e5f-1f222d-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