Color

#0e428b

#0e428b
hex#0e428b
rgbrgb(14, 66, 139)
hslhsl(215, 82%, 30%)
oklchoklch(0.392 0.133 258.5)
Closest name: Cascade Twilight (#234893)Relative luminance 0.0585

Colors that go with #0e428b

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.

Real palettes that use #0e428b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8b570e

#0e818b · #180e8b

#8b0e42 · #428b0e

Split-complementary

Open in tool →

#8b180e · #818b0e

#8b0e81 · #8b570e · #0e8b18

Contrast

#0e428b as textRatioAAAA largeAAAFix
Aaon white
9.67:1passpasspassPasses AAA — no fix needed.
Aaon black
2.17:1failfailfail
  • AA: use #1c71e9 as the text (4.59:1)
  • AAA: use #5897ee as the text (7.08:1)
  • AA: or shift the background to #b3b3b3 (4.61:1)
  • AAA: or shift the background to #dedede (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0e428b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0e428b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0e428b
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 #0e428b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0e428b-9ca8c4-df5d4e-201f2d-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