Color

#1da7cd

#1da7cd
hex#1da7cd
rgbrgb(29, 167, 205)
hslhsl(193, 75%, 46%)
oklchoklch(0.677 0.12 222.7)
Closest name: Aquarius (#2db0ce)Relative luminance 0.3231

Colors that go with #1da7cd

Charcoal, Tomato and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cd431d

#1dcd9b · #1d4fcd

#cd1da7 · #a7cd1d

Split-complementary

Open in tool →

#cd1d4f · #cd9b1d

#9b1dcd · #cd431d · #4fcd1d

Contrast

#1da7cd as textRatioAAAA largeAAAFix
Aaon white
2.81:1failfailfail
  • AA: use #167f9c as the text (4.62:1)
  • AAA: use #115e74 as the text (7.3:1)
  • AA: or shift the background to #303030 (4.69:1)
  • AAA: or shift the background to #0a0a0a (7.03:1)
Aaon black
7.46:1passpasspassPasses 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 #1da7cd as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1da7cd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1da7cd
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1da7cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1da7cd-a2b5be-df4e75-1f242d-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