Color

#003d75

#003d75
hex#003d75
rgbrgb(0, 61, 117)
hslhsl(209, 100%, 23%)
oklchoklch(0.36 0.111 253)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0462

Tints & shades

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

Harmonies

Complementary

Open in tool →

#753900

#007573 · #000275

#75003d · #3d7500

Split-complementary

Open in tool →

#750002 · #757300

#730075 · #753900 · #027500

Contrast

#003d75 as textRatioAAAA largeAAAFix
Aaon white
10.91:1passpasspassPasses AAA — no fix needed.
Aaon black
1.92:1failfailfail
  • AA: use #0074e0 as the text (4.57:1)
  • AAA: use #2e9aff as the text (7.18:1)
  • AA: or shift the background to #a8a8a8 (4.59:1)
  • AAA: or shift the background to #cfcfcf (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #003d75 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

#003d75 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #003d75
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 #003d75 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/003d75-9cacc4-df4e4e-1f212d-e9f1f1?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