Color

#233990

#233990
hex#233990
rgbrgb(35, 57, 144)
hslhsl(228, 61%, 35%)
oklchoklch(0.385 0.146 267.9)
Closest name: Depths of Night (#2c319b)Relative luminance 0.053

Tints & shades

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

Harmonies

Complementary

Open in tool →

#907a23

#236f90 · #432390

#902339 · #399023

Split-complementary

Open in tool →

#904323 · #6f9023

#90236f · #907a23 · #239043

Contrast

#233990 as textRatioAAAA largeAAAFix
Aaon white
10.2:1passpasspassPasses AAA — no fix needed.
Aaon black
2.06:1failfailfail
  • AA: use #536dd5 as the text (4.52:1)
  • AAA: use #8093e0 as the text (7.17:1)
  • AA: or shift the background to #adadad (4.54:1)
  • AAA: or shift the background to #d6d6d6 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #233990 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#233990 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #233990
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 #233990 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/233990-9c9fc4-df7c4e-231f2d-e9eff1?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