Color
#39639d
#39639drgb(57, 99, 157)hsl(215, 47%, 42%)oklch(0.497 0.105 256.8)Colors that go with #39639d
Charcoal, Sea Green and Amber 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 #39639d: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #39639d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Amber #ffbf00
shippedAmber is paired with #39639d in 7 real palettes, including Lemon Squeezy's brand system and Warner Bros.'s brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Cornflower Blue #6495ed
shippedCornflower Blue is paired with #39639d in 4 real palettes, including Coca-Cola's brand system and Gopro's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #39639d in 12 real palettes, including Amazon's brand system and Netflix's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Firebrick #b22222
shippedFirebrick is paired with #39639d in 4 real palettes, including AT&T's brand system and Campbell's's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Light Coral #f08080
shippedLight Coral is paired with #39639d in 4 real palettes, including Target : Expect More. Pay Less.'s brand system and Sentry's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #39639d in 4 real palettes, including Fintech Trust and Khan Academy's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #39639d
Tints & shades
Harmonies
Contrast
| #39639d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.09:1 | pass | pass | fail |
|
Aaon black | 3.45:1 | 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 #39639d as the background.
Brands using this color
Fonts for this mood
#39639d 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 #39639d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/39639d-9ca8c4-df5d4e-201f2d-e9f0f1?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