Color
#54539d
#54539drgb(84, 83, 157)hsl(241, 31%, 47%)oklch(0.48 0.117 281.7)Colors that go with #54539d
Charcoal, Amber and Cornflower 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 #54539d: softer than #000 and cool enough to feel like part of the same palette.
Amber #ffbf00
shippedAmber is paired with #54539d in 4 real palettes, including Warner Bros.'s brand system and Wikipedia's brand system, as the accent.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #54539d: 4 real palettes, including Coca-Cola's brand system and Gopro's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #54539d in 9 real palettes, including Amazon's brand system and Netflix's brand system, as the supporting colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #54539d: 4 real palettes, including Kraken's brand system and Deep Water, as the accent.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #54539d: 5 real palettes, including Campbell's's brand system and Datadog's brand system, as the supporting colour.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #54539d in 4 real palettes, including Fintech Trust and Console Light, as the accent.
Steel Blue #4682b4
analogousshippedSteel Blue is #54539d's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Real palettes that use #54539d
Tints & shades
Harmonies
Contrast
| #54539d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.77:1 | pass | pass | fail |
|
Aaon black | 3.1:1 | 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 #54539d 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 #54539d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/54539d-a19cc4-df9b4e-261f2d-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