Color

#045cc8

#045cc8
hex#045cc8
rgbrgb(4, 92, 200)
hslhsl(213, 96%, 40%)
oklchoklch(0.498 0.184 258.2)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1185

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c87004

#04bec8 · #0e04c8

#c8045c · #5cc804

Split-complementary

Open in tool →

#c80e04 · #bec804

#c804be · #c87004 · #04c80e

Contrast

#045cc8 as textRatioAAAA largeAAAFix
Aaon white
6.23:1passpassfail
  • AAA: use #0453b4 as the text (7.24:1)
Aaon black
3.37:1failpassfail
  • AA: use #056ff0 as the text (4.54:1)
  • AAA: use #4698fb as the text (7.14:1)
  • AA: or shift the background to #dbdbdb (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #045cc8 as the background.

Brands using this color

Fonts for this mood

#045cc8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #045cc8
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #045cc8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/045cc8-9ca9c4-df584e-1f202d-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