Color

#453c4e

#453c4e
hex#453c4e
rgbrgb(69, 60, 78)
hslhsl(270, 13%, 27%)
oklchoklch(0.373 0.032 307.5)
Closest name: Call It a Night (#42364c)Relative luminance 0.0505

Tints & shades

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

Harmonies

Complementary

Open in tool →

#454e3c

#3c3c4e · #4e3c4e

#4e453c · #3c4e45

Split-complementary

Open in tool →

#4e4e3c · #3c4e3c

#4e3c3c · #454e3c · #3c4e4e

Contrast

#453c4e as textRatioAAAA largeAAAFix
Aaon white
10.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.01:1failfailfail
  • AA: use #806f90 as the text (4.59:1)
  • AAA: use #9e92ab as the text (7.15:1)
  • AA: or shift the background to #ababab (4.55:1)
  • AAA: or shift the background to #d4d4d4 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #453c4e 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

#453c4e reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #453c4e
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 #453c4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/453c4e-b59cc4-c9cb62-2c1f2d-eae9f1?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