Color
#6364ab
#6364abrgb(99, 100, 171)hsl(239, 30%, 53%)oklch(0.535 0.11 281.4)Colors that go with #6364ab
Charcoal, Amber and Cobalt Blue 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 #6364ab: softer than #000 and cool enough to feel like part of the same palette.
Amber #ffbf00
shippedAmber is paired with #6364ab in 7 real palettes, including Warner Bros.'s brand system and Wikipedia's brand system, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #6364ab: 7 real palettes, including Fintech Trust and General Mills's brand system, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #6364ab in 10 real palettes, including Marvel's brand system and Netflix's brand system, as the accent.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #6364ab: 4 real palettes, including Campbell's's brand system and AT&T's brand system, as the supporting colour.
Light Sky Blue #87cefa
shippedLight Sky Blue is paired with #6364ab in 4 real palettes, including Sentry's brand system and Calm's brand system, as the accent.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #6364ab in 5 real palettes, including Fintech Trust and Indigo SaaS, as the accent.
Dark Olive Green #556b2f
complementaryDark Olive Green sits directly opposite #6364ab on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #6364ab
Tints & shades
Harmonies
Contrast
| #6364ab as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.33:1 | pass | pass | fail |
|
Aaon black | 3.94:1 | 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 #6364ab as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
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 #6364ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/6364ab-a09cc4-df964e-251f2d-e9edf1?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