Color

#45a2d3

#45a2d3
hex#45a2d3
rgbrgb(69, 162, 211)
hslhsl(201, 62%, 55%)
oklchoklch(0.677 0.113 235)
Closest name: Blue Burst (#309cd0)Relative luminance 0.3181

Colors that go with #45a2d3

Charcoal, Bronze 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 →

#d37745

#45d3be · #455ad3

#d345a2 · #a2d345

Split-complementary

Open in tool →

#d3455a · #d3be45

#be45d3 · #d37745 · #5ad345

Contrast

#45a2d3 as textRatioAAAA largeAAAFix
Aaon white
2.85:1failfailfail
  • AA: use #287ca9 as the text (4.62:1)
  • AAA: use #1e5e80 as the text (7.08:1)
  • AA: or shift the background to #303030 (4.63:1)
  • AAA: or shift the background to #080808 (7.02:1)
Aaon black
7.36:1passpasspassPasses 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 #45a2d3 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

#45a2d3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #45a2d3
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 #45a2d3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45a2d3-9cb1c4-df4e62-1f222d-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