Color

#045b71

#045b71
hex#045b71
rgbrgb(4, 91, 113)
hslhsl(192, 93%, 23%)
oklchoklch(0.437 0.08 222)
Closest name: Abyssal Waters (#005765)Relative luminance 0.087

Tints & shades

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

Harmonies

Complementary

Open in tool →

#711a04

#047150 · #042571

#71045b · #5b7104

Split-complementary

Open in tool →

#710425 · #715004

#500471 · #711a04 · #257104

Contrast

#045b71 as textRatioAAAA largeAAAFix
Aaon white
7.66:1passpasspassPasses AAA — no fix needed.
Aaon black
2.74:1failfailfail
  • AA: use #067f9d as the text (4.53:1)
  • AAA: use #07a3ca as the text (7.1:1)
  • AA: or shift the background to #c7c7c7 (4.53:1)
  • AAA: or shift the background to #f5f5f5 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #045b71 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

#045b71 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #045b71
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 #045b71 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/045b71-a2b5be-df4e77-1f242d-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