Color

#013ba7

#013ba7
hex#013ba7
rgbrgb(1, 59, 167)
hslhsl(219, 99%, 33%)
oklchoklch(0.401 0.181 261.8)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0592

Colors that go with #013ba7

Charcoal, Crimson and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a76d01

#018ea7 · #1a01a7

#a7013b · #3ba701

Split-complementary

Open in tool →

#a71a01 · #8ea701

#a7018e · #a76d01 · #01a71a

Contrast

#013ba7 as textRatioAAAA largeAAAFix
Aaon white
9.61:1passpasspassPasses AAA — no fix needed.
Aaon black
2.18:1failfailfail
  • AA: use #1b6afe as the text (4.54:1)
  • AAA: use #5d95fe as the text (7.2:1)
  • AA: or shift the background to #b3b3b3 (4.58:1)
  • AAA: or shift the background to #dedede (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #013ba7 as the background.

Brands using this color

Fonts for this mood

#013ba7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #013ba7
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #013ba7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/013ba7-9ca5c4-df664e-211f2d-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