Chalkboard
Open in tool →Slate green with chalk cream and a coral — nostalgic without being twee.
Color
#252c2d
#252c2d
hex
#252c2drgb
rgb(37, 44, 45)hsl
hsl(188, 10%, 16%)oklch
oklch(0.287 0.01 207.1)Closest name: Cinder (#242a2e)Relative luminance 0.0238
Colors that go with #252c2d
Amber, Blue and Blue Violet 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.
Amber #ffbf00
shippedAmber is paired with #252c2d in 18 real palettes, including McDonald's's brand system and Beach Hut, as the lead colour.
Blue #0000ff
shipped23 real palettes, including Headspace's brand system and Readymag's brand system put Blue beside #252c2d, as the accent.
Blue Violet #8a2be2
shippedBlue Violet is paired with #252c2d in 6 real palettes, including ClickUp's brand system and Yahoo's brand system, as the lead colour.
Blush Pink #e8b4b8
shipped7 real palettes, including Rain Garden and Graphite Mono put Blush Pink beside #252c2d, as the accent.
Brown #a52a2a
shipped4 real palettes, including Typewriter and Woodsmoke put Brown beside #252c2d, as the accent.
Burlywood #deb887
shippedBurlywood is paired with #252c2d in 5 real palettes, including Chalkboard and Polaroid, as the lead colour.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #252c2d: 10 real palettes, including Clean Beauty and Coastal, as the lead colour.
White Smoke #f5f5f5
neutralWhite Smoke is the near-white surface #252c2d was made for — maximum legibility with no colour cast to argue with.
Real palettes that use #252c2d
Tints & shades
Harmonies
Contrast
| #252c2d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 14.22:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.48:1 | 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 #252c2d as the background.
Brands using this color
- Loomtext · #292a2e · Δ0.999
- Squarespaceprimary · #2a2a2a · Δ1.014
- McDonald'stext · #292929 · Δ1.155
- Astrotext · #2c2c2c · Δ1.185
- Rotten Tomatoesprimary · #2a2c32 · Δ1.318
- Gilletteprimary · #2b2929 · Δ1.34
- Gillettetext · #2b2929 · Δ1.34
- Vodafonetext · #25282b · Δ1.345
- Headspacetext · #2d2c2b · Δ1.377
- Readymagtext · #282828 · Δ1.407
- YouTubesecondary · #282828 · Δ1.407
- Superhumantext · #292827 · Δ1.503
- Fenty Beautyprimary · #2d2929 · Δ1.59
- Fenty Beautytext · #2d2929 · Δ1.59
- American Eagleprimary · #24272a · Δ1.716
- American Eagletext · #24272a · Δ1.716
Palettes built around it
Clean Beauty
Open in tool →Sage and clay on unbleached white — the nothing-to-hide palette for ingredient-led skincare.
Typewriter
Open in tool →Ink-black and ribbon-red on manila — the correspondence palette; all the vintage comes from the paper colour.
Still Water
Open in tool →Dusty teal and mist with a sand accent — low chroma, low contrast between colours, high contrast for text: the recipe for calm.
Fonts for this mood
#252c2d reads as cool, muted, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #252c2d
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 #252c2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/252c2d-a2b7be-df4e81-1f252d-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