Color

#12475e

#12475e
hex#12475e
rgbrgb(18, 71, 94)
hslhsl(198, 68%, 22%)
oklchoklch(0.375 0.066 231.5)
Closest name: Capital Blue (#1a4157)Relative luminance 0.0544

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5e2912

#125e4f · #12215e

#5e1247 · #475e12

Split-complementary

Open in tool →

#5e1221 · #5e4f12

#4f125e · #5e2912 · #215e12

Contrast

#12475e as textRatioAAAA largeAAAFix
Aaon white
10.05:1passpasspassPasses AAA — no fix needed.
Aaon black
2.09:1failfailfail
  • AA: use #207fa7 as the text (4.66:1)
  • AAA: use #29a2d6 as the text (7.23:1)
  • AA: or shift the background to #b0b0b0 (4.64:1)
  • AAA: or shift the background to #d9d9d9 (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 #12475e as the background.

Brands using this color

Fonts for this mood

#12475e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12475e
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 #12475e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12475e-9cb3c4-df4e69-1f232d-e9f1f0?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