Color
#674bb4
#674bb4rgb(103, 75, 180)hsl(256, 41%, 50%)oklch(0.498 0.159 291.9)Colors that go with #674bb4
Charcoal, Royal Blue and Sea Green 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 #674bb4: softer than #000 and cool enough to feel like part of the same palette.
Royal Blue #4169e1
analogousshippedRoyal Blue is #674bb4's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #674bb4: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #674bb4: 4 real palettes, including Coca-Cola's brand system and Gopro's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #674bb4 in 9 real palettes, including Marvel's brand system and Netflix's brand system, as the accent.
Light Sky Blue #87cefa
shippedLight Sky Blue is paired with #674bb4 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 #674bb4 in 5 real palettes, including Indigo SaaS and Fintech Trust, as the accent.
Midnight Blue #191970
shipped11 real palettes, including Kraken's brand system and Marvel's brand system put Midnight Blue beside #674bb4, as the lead colour.
Real palettes that use #674bb4
Tints & shades
Harmonies
Contrast
| #674bb4 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.48:1 | pass | pass | fail |
|
Aaon black | 3.24:1 | 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 #674bb4 as the background.
Brands using this color
Fonts for this mood
#674bb4 reads as cool, modern. 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 #674bb4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/674bb4-ab9cc4-dfbf4e-291f2d-e9ebf1?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