Color

#04556c

#04556c
hex#04556c
rgbrgb(4, 85, 108)
hslhsl(193, 93%, 22%)
oklchoklch(0.418 0.077 224.5)
Closest name: Abyssal Waters (#005765)Relative luminance 0.0761

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6c1b04

#046c4f · #04216c

#6c0456 · #566c04

Split-complementary

Open in tool →

#6c0421 · #6c4f04

#4f046c · #6c1b04 · #216c04

Contrast

#04556c as textRatioAAAA largeAAAFix
Aaon white
8.33:1passpasspassPasses AAA — no fix needed.
Aaon black
2.52:1failfailfail
  • AA: use #0680a2 as the text (4.62:1)
  • AAA: use #07a4cf as the text (7.22:1)
  • AA: or shift the background to #bfbfbf (4.53:1)
  • AAA: or shift the background to #ededed (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04556c 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

#04556c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #04556c
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 #04556c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04556c-a2b5be-df4e75-1f242d-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