Color

#12385e

#12385e
hex#12385e
rgbrgb(18, 56, 94)
hslhsl(210, 68%, 22%)
oklchoklch(0.335 0.08 251.5)
Closest name: Beyond the Stars (#0a3251)Relative luminance 0.0377

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5e3812

#125e5e · #12125e

#5e1238 · #385e12

Split-complementary

Open in tool →

#5e1212 · #5e5e12

#5e125e · #5e3812 · #125e12

Contrast

#12385e as textRatioAAAA largeAAAFix
Aaon white
11.98:1passpasspassPasses AAA — no fix needed.
Aaon black
1.75:1failfailfail
  • AA: use #2678c9 as the text (4.61:1)
  • AAA: use #589cdf as the text (7.24:1)
  • AA: or shift the background to #a1a1a1 (4.64:1)
  • AAA: or shift the background to #c7c7c7 (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 #12385e as the background.

Brands using this color

Fonts for this mood

#12385e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12385e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #12385e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12385e-9cabc4-df514e-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