Color

#1f447f

#1f447f
hex#1f447f
rgbrgb(31, 68, 127)
hslhsl(217, 61%, 31%)
oklchoklch(0.393 0.108 259.4)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0596

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7f5a1f

#1f747f · #2a1f7f

#7f1f44 · #447f1f

Split-complementary

Open in tool →

#7f2a1f · #747f1f

#7f1f74 · #7f5a1f · #1f7f2a

Contrast

#1f447f as textRatioAAAA largeAAAFix
Aaon white
9.58:1passpasspassPasses AAA — no fix needed.
Aaon black
2.19:1failfailfail
  • AA: use #3a73cf as the text (4.53:1)
  • AAA: use #6b96db as the text (7.01:1)
  • AA: or shift the background to #b3b3b3 (4.57:1)
  • AAA: or shift the background to #dedede (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f447f 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

#1f447f reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f447f
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 #1f447f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f447f-9ca7c4-df624e-201f2d-e9f0f1?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