brandsweets

Color

#636dca

#636dca
hex#636dca
rgbrgb(99, 109, 202)
hslhsl(234, 49%, 59%)
oklchoklch(0.571 0.142 276.3)
Closest name: Flood (#6677bb)Relative luminance 0.1785
CoolModern
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
636dcacabf63

#cabf63

Analogous

Open in tool →
636dca63a1ca8c63ca

#63a1ca · #8c63ca

Triadic

Open in tool →
636dcaca636d6dca63

#ca636d · #6dca63

Split-complementary

Open in tool →
636dcaca8c63a1ca63

#ca8c63 · #a1ca63

Tetradic

Open in tool →
636dcaca63a1cabf6363ca8c

#ca63a1 · #cabf63 · #63ca8c

Contrast

#636dca as textRatioAAAA largeAAAFix
Aaon white
4.59:1passpassfail
  • AAA: use #404cba as the text (7.09:1)
Aaon black
4.57:1passpassfail
  • AAA: use #8991d7 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #636dca as the background.

Brands using this color

Fonts for this mood

#636dca reads as cool, modern. The font library is tagged with the same vocabulary:

Modern fonts →
mcpConnect your agent — build around #636dca
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 #636dca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/636dca-9d9cc4-df8a4e-241f2d-e9eef1?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