Color

#003961

#003961
hex#003961
rgbrgb(0, 57, 97)
hslhsl(205, 100%, 19%)
oklchoklch(0.335 0.088 246.9)
Closest name: Maniac Mansion (#004058)Relative luminance 0.0379

Tints & shades

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

Harmonies

Complementary

Open in tool →

#612800

#006159 · #000861

#610039 · #396100

Split-complementary

Open in tool →

#610008 · #615900

#590061 · #612800 · #086100

Contrast

#003961 as textRatioAAAA largeAAAFix
Aaon white
11.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.76:1failfailfail
  • AA: use #0077cc as the text (4.51:1)
  • AAA: use #0a99ff as the text (7.01:1)
  • AA: or shift the background to #a1a1a1 (4.62:1)
  • AAA: or shift the background to #c7c7c7 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #003961 as the background.

Brands using this color

Fonts for this mood

#003961 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #003961
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 #003961 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/003961-9cafc4-df4e58-1f212d-e9f1f0?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