Color
#3e515b
#3e515brgb(62, 81, 91)hsl(201, 19%, 30%)oklch(0.423 0.029 231.2)Colors that go with #3e515b
Blue, Cadet Blue and Champagne 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
shipped8 real palettes, including Jeep's brand system and Alaska Airlines's brand system put Blue beside #3e515b, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #3e515b: 4 real palettes, including Paper & Pine and Dusk, as the supporting colour.
Champagne #f7e7ce
shipped4 real palettes, including Darkroom and Sweetgreen's brand system put Champagne beside #3e515b, as the surface under it.
Copper #b87333
shippedDesigners have shipped Copper with #3e515b: 5 real palettes, including Desert Road and Dusk, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #3e515b in 6 real palettes, including Codecademy's brand system and Dunkin''s brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #3e515b: 8 real palettes, including HP's brand system and Hinge's brand system, as the accent.
Emerald Green #50c878
shippedEmerald Green is paired with #3e515b in 4 real palettes, including Neon's brand system and Docker's brand system, as the lead colour.
White Smoke #f5f5f5
neutralWhite Smoke is the near-white surface #3e515b was made for — maximum legibility with no colour cast to argue with.
Real palettes that use #3e515b
Tints & shades
Harmonies
Contrast
| #3e515b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 8.29:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.53:1 | 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 #3e515b as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#3e515b 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 #3e515b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3e515b-9cb1c4-df4e62-1f222d-e9f1f0?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