Typewriter
Open in tool →Ink-black and ribbon-red on manila — the correspondence palette; all the vintage comes from the paper colour.
Color
#232b2f
#232b2f
hex
#232b2frgb
rgb(35, 43, 47)hsl
hsl(200, 15%, 16%)oklch
oklch(0.283 0.013 229.5)Closest name: Cinder (#242a2e)Relative luminance 0.0229
Colors that go with #232b2f
Amber, Blue Violet and Blush Pink 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 Violet #8a2be2
shippedBlue Violet is paired with #232b2f in 4 real palettes, including ClickUp's brand system and Klarna US's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Blush Pink #e8b4b8
shippedBlush Pink is paired with #232b2f in 6 real palettes, including Rain Garden and Graphite Mono, as the accent — a combination designers have actually shipped, not a computed rotation.
Burlywood #deb887
shippedBurlywood is paired with #232b2f in 5 real palettes, including Chalkboard and Coastal, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Cadet Blue #5f9ea0
shippedCadet Blue is paired with #232b2f in 9 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 #232b2f in 6 real palettes, including Darkroom and Forest Floor, as the surface under it — a combination designers have actually shipped, not a computed rotation.
Cobalt Blue #0047ab
shippedCobalt Blue is paired with #232b2f in 5 real palettes, including Airtable's brand system and Ink & Paper, as the lead colour — a combination designers have actually shipped, not a computed rotation.
White Smoke #f5f5f5
neutralWhite Smoke is the near-white surface #232b2f was made for — maximum legibility with no colour cast to argue with.
Real palettes that use #232b2f
Tints & shades
Harmonies
Contrast
| #232b2f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 14.4:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.46:1 | 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 #232b2f as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#232b2f reads as cool, muted, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #232b2f
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 #232b2f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/232b2f-9cb2c4-df4e64-1f232d-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