Color

#1d166f

#1d166f
hex#1d166f
rgbrgb(29, 22, 111)
hslhsl(245, 67%, 26%)
oklchoklch(0.285 0.144 275.6)
Closest name: midnightblue (#191970)Relative luminance 0.0198

Tints & shades

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

Harmonies

Complementary

Open in tool →

#676f16

#163b6f · #4a166f

#6f1d16 · #166f1d

Split-complementary

Open in tool →

#6f4a16 · #3b6f16

#6f163b · #676f16 · #166f4a

Contrast

#1d166f as textRatioAAAA largeAAAFix
Aaon white
15.04:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #7066e1 as the text (4.68:1)
  • AAA: use #948ce8 as the text (7.18:1)
  • AA: or shift the background to #8f8f8f (4.65:1)
  • AAA: or shift the background to #b3b3b3 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d166f 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

#1d166f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d166f
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 #1d166f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d166f-a49cc4-dfa54e-261f2d-e9ecf1?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