Color

#045271

#045271
hex#045271
rgbrgb(4, 82, 113)
hslhsl(197, 93%, 23%)
oklchoklch(0.413 0.084 233.1)
Closest name: Raging Thunderstorm (#004f63)Relative luminance 0.0725

Tints & shades

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

Harmonies

Complementary

Open in tool →

#712304

#04715a · #041c71

#710452 · #527104

Split-complementary

Open in tool →

#71041c · #715a04

#5a0471 · #712304 · #1c7104

Contrast

#045271 as textRatioAAAA largeAAAFix
Aaon white
8.57:1passpasspassPasses AAA — no fix needed.
Aaon black
2.45:1failfailfail
  • AA: use #067dac as the text (4.54:1)
  • AAA: use #08a1dd as the text (7.15:1)
  • AA: or shift the background to #bdbdbd (4.56:1)
  • AAA: or shift the background to #ebebeb (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #045271 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

#045271 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #045271
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 #045271 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/045271-9cb4c4-df4e6b-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