Color

#01579d

#01579d
hex#01579d
rgbrgb(1, 87, 157)
hslhsl(207, 99%, 31%)
oklchoklch(0.453 0.134 251.6)
Closest name: Blue Chip (#1d5699)Relative luminance 0.0926

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9d4701

#019d95 · #01099d

#9d0157 · #579d01

Split-complementary

Open in tool →

#9d0109 · #9d9501

#95019d · #9d4701 · #099d01

Contrast

#01579d as textRatioAAAA largeAAAFix
Aaon white
7.36:1passpasspassPasses AAA — no fix needed.
Aaon black
2.85:1failfailfail
  • AA: use #0176d5 as the text (4.55:1)
  • AAA: use #209afe as the text (7.11:1)
  • AA: or shift the background to #cccccc (4.59:1)
  • AAA: or shift the background to #fafafa (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 #01579d 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

#01579d reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #01579d
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 #01579d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01579d-9cadc4-df4e53-1f212d-e9f1f1?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