Color

#1da2d3

#1da2d3
hex#1da2d3
rgbrgb(29, 162, 211)
hslhsl(196, 76%, 47%)
oklchoklch(0.668 0.127 229.9)
Closest name: Blue Burst (#309cd0)Relative luminance 0.3081

Colors that go with #1da2d3

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 →

#d34d1d

#1dd3a8 · #1d47d3

#d31da2 · #a2d31d

Split-complementary

Open in tool →

#d31d47 · #d3a81d

#a81dd3 · #d34d1d · #47d31d

Contrast

#1da2d3 as textRatioAAAA largeAAAFix
Aaon white
2.93:1failfailfail
  • AA: use #167ca2 as the text (4.73:1)
  • AAA: use #115d79 as the text (7.33:1)
  • AA: or shift the background to #303030 (4.5:1)
  • AAA: or shift the background to #030303 (7.03:1)
Aaon black
7.16:1passpasspassPasses 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 #1da2d3 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

#1da2d3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1da2d3
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 #1da2d3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1da2d3-9cb5c4-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