Color

#1a3d65

#1a3d65
hex#1a3d65
rgbrgb(26, 61, 101)
hslhsl(212, 59%, 25%)
oklchoklch(0.356 0.081 253.6)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.045

Tints & shades

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

Harmonies

Complementary

Open in tool →

#65421a

#1a6365 · #1d1a65

#651a3d · #3d651a

Split-complementary

Open in tool →

#651d1a · #63651a

#651a63 · #65421a · #1a651d

Contrast

#1a3d65 as textRatioAAAA largeAAAFix
Aaon white
11.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.9:1failfailfail
  • AA: use #3276c3 as the text (4.52:1)
  • AAA: use #659ad7 as the text (7.16:1)
  • AA: or shift the background to #a6a6a6 (4.54:1)
  • AAA: or shift the background to #cfcfcf (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a3d65 as the background.

Brands using this color

Fonts for this mood

#1a3d65 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a3d65
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 #1a3d65 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a3d65-9caac4-df564e-1f202d-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