Color

#0f426b

#0f426b
hex#0f426b
rgbrgb(15, 66, 107)
hslhsl(207, 75%, 24%)
oklchoklch(0.369 0.088 247.8)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0506

Colors that go with #0f426b

Crimson, Royal Blue and Teal 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 →

#6b390f

#0f6b67 · #0f146b

#6b0f42 · #426b0f

Split-complementary

Open in tool →

#6b0f14 · #6b670f

#670f6b · #6b390f · #146b0f

Contrast

#0f426b as textRatioAAAA largeAAAFix
Aaon white
10.44:1passpasspassPasses AAA — no fix needed.
Aaon black
2.01:1failfailfail
  • AA: use #1c79c4 as the text (4.58:1)
  • AAA: use #449ce4 as the text (7.12:1)
  • AA: or shift the background to #ababab (4.55:1)
  • AAA: or shift the background to #d4d4d4 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f426b as the background.

Brands using this color

Fonts for this mood

#0f426b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f426b
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 #0f426b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f426b-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