Color

#0da2d9

#0da2d9
hex#0da2d9
rgbrgb(13, 162, 217)
hslhsl(196, 89%, 45%)
oklchoklch(0.669 0.135 232.1)
Closest name: Blue Burst (#309cd0)Relative luminance 0.3094

Colors that go with #0da2d9

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 →

#d9430d

#0dd9a9 · #0d3cd9

#d90da2 · #a2d90d

Split-complementary

Open in tool →

#d90d3c · #d9a90d

#a90dd9 · #d9430d · #3cd90d

Contrast

#0da2d9 as textRatioAAAA largeAAAFix
Aaon white
2.92:1failfailfail
  • AA: use #0a7ea9 as the text (4.6:1)
  • AAA: use #075e7d as the text (7.23:1)
  • AA: or shift the background to #303030 (4.52:1)
  • AAA: or shift the background to #030303 (7.06:1)
Aaon black
7.19:1passpasspassPasses 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 #0da2d9 as the background.

Brands using this color

Fonts for this mood

#0da2d9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0da2d9
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 #0da2d9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0da2d9-9cb5c4-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