Color

#0b407a

#0b407a
hex#0b407a
rgbrgb(11, 64, 122)
hslhsl(211, 83%, 26%)
oklchoklch(0.374 0.112 254.8)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0514

Colors that go with #0b407a

Crimson, Teal and 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 →

#79440b

#0b7779 · #0d0b79

#790b40 · #40790b

Split-complementary

Open in tool →

#790d0b · #77790b

#790b77 · #79440b · #0b790d

Contrast

#0b407a as textRatioAAAA largeAAAFix
Aaon white
10.35:1passpasspassPasses AAA — no fix needed.
Aaon black
2.03:1failfailfail
  • AA: use #1475db as the text (4.6:1)
  • AAA: use #4999ee as the text (7.07:1)
  • AA: or shift the background to #ababab (4.51:1)
  • AAA: or shift the background to #d6d6d6 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b407a 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

#0b407a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b407a
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 #0b407a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b407a-9cabc4-df534e-1f202d-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