Color

#045ad2

#045ad2
hex#045ad2
rgbrgb(4, 90, 210)
hslhsl(215, 96%, 42%)
oklchoklch(0.502 0.199 259.7)
Closest name: Denim (#1560bd)Relative luminance 0.1199

Colors that go with #045ad2

Charcoal, Crimson 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 →

#d27c04

#04c1d2 · #1504d2

#d2045a · #5ad204

Split-complementary

Open in tool →

#d21504 · #c1d204

#d204c1 · #d27c04 · #04d215

Contrast

#045ad2 as textRatioAAAA largeAAAFix
Aaon white
6.18:1passpassfail
  • AAA: use #0451be as the text (7.18:1)
Aaon black
3.4:1failpassfail
  • AA: use #0a6efa as the text (4.62:1)
  • AAA: use #5097fb as the text (7.16:1)
  • AA: or shift the background to #dedede (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #045ad2 as the background.

Brands using this color

Fonts for this mood

#045ad2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #045ad2
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 #045ad2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/045ad2-9ca8c4-df5d4e-201f2d-e9f0f1?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