Color
#313c49
#313c49rgb(49, 60, 73)hsl(213, 20%, 24%)oklch(0.352 0.027 252.8)Colors that go with #313c49
Blue, Blush Pink and Burlywood 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.
Blue #0000ff
shippedBlue is paired with #313c49 in 10 real palettes, including Dunkin''s brand system and Alaska Airlines's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Blush Pink #e8b4b8
shippedBlush Pink is paired with #313c49 in 5 real palettes, including Garden Wedding and Nursery, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Burlywood #deb887
shippedBurlywood is paired with #313c49 in 5 real palettes, including Polaroid and Coastal, as the accent — a combination designers have actually shipped, not a computed rotation.
Cadet Blue #5f9ea0
shippedCadet Blue is paired with #313c49 in 6 real palettes, including Clean Beauty and Coastal, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Champagne #f7e7ce
shippedChampagne is paired with #313c49 in 5 real palettes, including Sweetgreen's brand system and Darkroom, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Copper #b87333
shippedCopper is paired with #313c49 in 9 real palettes, including Notion's brand system and Clean Beauty — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #313c49 in 10 real palettes, including Codecademy's brand system and Dunkin''s brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
White Smoke #f5f5f5
neutralWhite Smoke is the near-white surface #313c49 was made for — maximum legibility with no colour cast to argue with.
Real palettes that use #313c49
Tints & shades
Harmonies
Contrast
| #313c49 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 11.21:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.87:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #313c49 as the background.
Brands using this color
Fonts for this mood
#313c49 reads as cool, muted, dark. 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 #313c49 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/313c49-9ca9c4-df584e-1f202d-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