Color
#00649e
#00649ergb(0, 100, 158)hsl(202, 100%, 31%)oklch(0.485 0.121 244.5)Colors that go with #00649e
Charcoal, Royal Blue and Sienna lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #00649e: softer than #000 and cool enough to feel like part of the same palette.
Royal Blue #4169e1
analogousshippedRoyal Blue is #00649e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Sienna #a0522d
complementaryshippedSienna sits directly opposite #00649e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #00649e in 8 real palettes, including McDonald's's brand system and Lemon Squeezy's brand system, as the lead colour.
Blue #0000ff
shipped5 real palettes, including Activision's brand system and Tesco's brand system put Blue beside #00649e, as the accent.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #00649e: 4 real palettes, including Coca-Cola's brand system and Gopro's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #00649e in 18 real palettes, including McDonald's's brand system and Costco's brand system, as the supporting colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #00649e: 4 real palettes, including Venmo's brand system and Deep Water, as the supporting colour.
Real palettes that use #00649e
Tints & shades
Harmonies
Contrast
| #00649e as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.33:1 | pass | pass | fail |
|
Aaon black | 3.32:1 | fail | pass | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #00649e as the background.
Brands using this color
Fonts for this mood
#00649e reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #00649e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/00649e-9cb1c4-df4e5f-1f222d-e9f1f0?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md