Color

#00458a

#00458a
hex#00458a
rgbrgb(0, 69, 138)
hslhsl(210, 100%, 27%)
oklchoklch(0.396 0.13 254.9)
Closest name: Cascade Twilight (#234893)Relative luminance 0.0609

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a4500

#008a8a · #00008a

#8a0045 · #458a00

Split-complementary

Open in tool →

#8a0000 · #8a8a00

#8a008a · #8a4500 · #008a00

Contrast

#00458a as textRatioAAAA largeAAAFix
Aaon white
9.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.22:1failfailfail
  • AA: use #0073e6 as the text (4.59:1)
  • AAA: use #3399ff as the text (7.14:1)
  • AA: or shift the background to #b3b3b3 (4.52:1)
  • AAA: or shift the background to #dedede (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #00458a 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

#00458a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #00458a
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 #00458a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/00458a-9cabc4-df514e-1f202d-e9f1f1?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