Color

#383a8a

#383a8a
hex#383a8a
rgbrgb(56, 58, 138)
hslhsl(239, 42%, 38%)
oklchoklch(0.395 0.13 277.5)
Closest name: Evening Magic (#363e7d)Relative luminance 0.057

Colors that go with #383a8a

Charcoal, Steel Blue 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 →

#8a8838

#38628a · #60388a

#8a383a · #3a8a38

Split-complementary

Open in tool →

#8a6038 · #628a38

#8a3862 · #8a8838 · #388a60

Contrast

#383a8a as textRatioAAAA largeAAAFix
Aaon white
9.81:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #6b6cc2 as the text (4.55:1)
  • AAA: use #8f90d1 as the text (7.08:1)
  • AA: or shift the background to #b0b0b0 (4.52:1)
  • AAA: or shift the background to #dbdbdb (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #383a8a 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

#383a8a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #383a8a
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 #383a8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/383a8a-a09cc4-df964e-251f2d-e9edf1?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