Color

#1f6ea3

#1f6ea3
hex#1f6ea3
rgbrgb(31, 110, 163)
hslhsl(204, 68%, 38%)
oklchoklch(0.518 0.112 243.3)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1409

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a3541f

#1fa396 · #1f2ca3

#a31f6e · #6ea31f

Split-complementary

Open in tool →

#a31f2c · #a3961f

#961fa3 · #a3541f · #2ca31f

Contrast

#1f6ea3 as textRatioAAAA largeAAAFix
Aaon white
5.5:1passpassfail
  • AAA: use #1a5d89 as the text (7.07:1)
Aaon black
3.82:1failpassfail
  • AA: use #227ab4 as the text (4.51:1)
  • AAA: use #439edb as the text (7.15:1)
  • AA: or shift the background to #ebebeb (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f6ea3 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

#1f6ea3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f6ea3
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 #1f6ea3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f6ea3-9cafc4-df4e5a-1f222d-e9f1f0?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