Color

#103f65

#103f65
hex#103f65
rgbrgb(16, 63, 101)
hslhsl(207, 73%, 23%)
oklchoklch(0.358 0.082 247.5)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.046

Tints & shades

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

Harmonies

Complementary

Open in tool →

#653610

#106561 · #101465

#65103f · #3f6510

Split-complementary

Open in tool →

#651014 · #656110

#611065 · #653610 · #146510

Contrast

#103f65 as textRatioAAAA largeAAAFix
Aaon white
10.93:1passpasspassPasses AAA — no fix needed.
Aaon black
1.92:1failfailfail
  • AA: use #1e78c2 as the text (4.52:1)
  • AAA: use #469ce2 as the text (7.11:1)
  • AA: or shift the background to #a8a8a8 (4.6:1)
  • AAA: or shift the background to #cfcfcf (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #103f65 as the background.

Brands using this color

Fonts for this mood

#103f65 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #103f65
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 #103f65 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/103f65-9cadc4-df4e53-1f212d-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