Rain Garden
Open in tool →Wet-leaf teal and moss with a soft peach — an overcast spring, calmer than the bright version and better for long reading.
Color
#3f888d
#3f888d
hex
#3f888drgb
rgb(63, 136, 141)hsl
hsl(184, 38%, 40%)oklch
oklch(0.582 0.073 201.4)Closest name: darkcyan (#008b8b)Relative luminance 0.2059
Colors that go with #3f888d
Charcoal, Copper 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 #3f888d: softer than #000 and cool enough to feel like part of the same palette.
Copper #b87333
split-complementshippedCopper is a split-complement of #3f888d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #3f888d in 4 real palettes, including Beach Hut and Wired's brand system, as the supporting colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #3f888d: 6 real palettes, including Intel's brand system and Ink & Paper, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #3f888d in 11 real palettes, including Redfin's brand system and Retro Pop, as the lead colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #3f888d: 4 real palettes, including Deep Water and Telegram's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #3f888d: 14 real palettes, including Peacock and Campus, as the supporting colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #3f888d: 4 real palettes, including Wendy's's brand system and Newsprint, as the supporting colour.
Real palettes that use #3f888d
Tints & shades
Harmonies
Contrast
| #3f888d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.1:1 | fail | pass | fail | |
Aaon black | 5.12:1 | pass | 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 #3f888d as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
Fonts for this mood
#3f888d reads as cool, modern. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #3f888d
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #3f888d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/3f888d-a2b9be-df4e8a-1f262d-e9f1ee?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