Chalkboard
Open in tool →Slate green with chalk cream and a coral — nostalgic without being twee.
Color
#232f28
#232f28
hex
#232f28rgb
rgb(35, 47, 40)hsl
hsl(145, 15%, 16%)oklch
oklch(0.292 0.021 159.2)Closest name: Marshland (#2b2e26)Relative luminance 0.0254
Colors that go with #232f28
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 #232f28 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 #232f28, as the accent.
Blue Violet #8a2be2
shippedBlue Violet is paired with #232f28 in 5 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 Blush put Blush Pink beside #232f28, as the accent.
Burlywood #deb887
shippedBurlywood is paired with #232f28 in 5 real palettes, including Chalkboard and Polaroid, as the lead colour.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #232f28: 10 real palettes, including Clean Beauty and Paper & Pine, as the lead colour.
Champagne #f7e7ce
shipped8 real palettes, including Darkroom and Forest Floor put Champagne beside #232f28, as the surface under it.
White Smoke #f5f5f5
neutralWhite Smoke is the near-white surface #232f28 was made for — maximum legibility with no colour cast to argue with.
Real palettes that use #232f28
Tints & shades
Harmonies
Contrast
| #232f28 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 13.92:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.51:1 | 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 #232f28 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
Clean Beauty
Open in tool →Sage and clay on unbleached white — the nothing-to-hide palette for ingredient-led skincare.
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.
Fonts for this mood
#232f28 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #232f28
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 #232f28 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/232f28-a2beb1-cc59d4-1f2d2b-eaf1e9?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