Color

#103d41

#103d41
hex#103d41
rgbrgb(16, 61, 65)
hslhsl(185, 60%, 16%)
oklchoklch(0.332 0.048 203.6)
Closest name: Royal Neptune (#1c3b42)Relative luminance 0.0383

Tints & shades

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

Harmonies

Complementary

Open in tool →

#411410

#10412d · #102541

#41103d · #3d4110

Split-complementary

Open in tool →

#411025 · #412d10

#2d1041 · #411410 · #254110

Contrast

#103d41 as textRatioAAAA largeAAAFix
Aaon white
11.89:1passpasspassPasses AAA — no fix needed.
Aaon black
1.77:1failfailfail
  • AA: use #23828b as the text (4.64:1)
  • AAA: use #2ca4af as the text (7.04:1)
  • AA: or shift the background to #a1a1a1 (4.6:1)
  • AAA: or shift the background to #c7c7c7 (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 #103d41 as the background.

Brands using this color

Fonts for this mood

#103d41 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #103d41
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 #103d41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/103d41-a2b8be-df4e88-1f262d-e9f1ee?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