Color

#1a3ca2

#1a3ca2
hex#1a3ca2
rgbrgb(26, 60, 162)
hslhsl(225, 72%, 37%)
oklchoklch(0.403 0.169 265.1)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0606

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a2801a

#1a80a2 · #3c1aa2

#a21a3c · #3ca21a

Split-complementary

Open in tool →

#a23c1a · #80a21a

#a21a80 · #a2801a · #1aa23c

Contrast

#1a3ca2 as textRatioAAAA largeAAAFix
Aaon white
9.49:1passpasspassPasses AAA — no fix needed.
Aaon black
2.21:1failfailfail
  • AA: use #476de1 as the text (4.54:1)
  • AAA: use #7793e9 as the text (7.13:1)
  • AA: or shift the background to #b3b3b3 (4.53:1)
  • AAA: or shift the background to #dedede (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1a3ca2 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

#1a3ca2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a3ca2
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 #1a3ca2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a3ca2-9ca1c4-df754e-221f2d-e9eff1?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