Color

#1d5f7c

#1d5f7c
hex#1d5f7c
rgbrgb(29, 95, 124)
hslhsl(198, 62%, 30%)
oklchoklch(0.458 0.08 231.5)
Closest name: Blue Velvet (#0d6183)Relative luminance 0.099

Tints & shades

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

Harmonies

Complementary

Open in tool →

#7c3a1d

#1d7c69 · #1d307c

#7c1d5f · #5f7c1d

Split-complementary

Open in tool →

#7c1d30 · #7c691d

#691d7c · #7c3a1d · #307c1d

Contrast

#1d5f7c as textRatioAAAA largeAAAFix
Aaon white
7.05:1passpasspassPasses AAA — no fix needed.
Aaon black
2.98:1failfailfail
  • AA: use #277fa5 as the text (4.67:1)
  • AAA: use #35a1d0 as the text (7.16:1)
  • AA: or shift the background to #cfcfcf (4.52:1)
  • AAA: or shift the background to #ffffff (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d5f7c 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

#1d5f7c reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d5f7c
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 #1d5f7c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d5f7c-9cb3c4-df4e69-1f232d-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