Color

#01638d

#01638d
hex#01638d
rgbrgb(1, 99, 141)
hslhsl(198, 99%, 28%)
oklchoklch(0.473 0.102 236.4)
Closest name: Blue Velvet (#0d6183)Relative luminance 0.1085

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8e2b01

#018e72 · #011d8e

#8e0164 · #648e01

Split-complementary

Open in tool →

#8e011d · #8e7201

#72018e · #8e2b01 · #1d8e01

Contrast

#01638d as textRatioAAAA largeAAAFix
Aaon white
6.62:1passpassfail
  • AAA: use #015d84 as the text (7.24:1)
Aaon black
3.17:1failpassfail
  • AA: use #017db2 as the text (4.58:1)
  • AAA: use #01a0e4 as the text (7.15:1)
  • AA: or shift the background to #d6d6d6 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #01638d 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

#01638d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #01638d
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 #01638d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01638d-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