Ink & Paper
Open in tool →Two greys and one ink-blue link color: the palette of a well-set book page.
Color
#231b20
#231b20
hex
#231b20rgb
rgb(35, 27, 32)hsl
hsl(323, 13%, 12%)oklch
oklch(0.234 0.015 340.5)Closest name: Night Demons (#201b20)Relative luminance 0.0125
Colors that go with #231b20
Charcoal, Amber and Blue 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 that reads cleanly against #231b20 without the hard edge of pure #000.
Amber #ffbf00
shippedAmber is paired with #231b20 in 18 real palettes, including Google's brand system and Wikipedia's brand system, as the accent.
Blue #0000ff
shipped23 real palettes, including Bumble's brand system and Signal's brand system put Blue beside #231b20, as the supporting colour.
Blue Violet #8a2be2
shippedBlue Violet is paired with #231b20 in 10 real palettes, including ClickUp's brand system and Yahoo's brand system, as the lead colour.
Blush Pink #e8b4b8
shipped6 real palettes, including Graphite Mono and Estate put Blush Pink beside #231b20, as the accent.
Brown #a52a2a
shipped5 real palettes, including Woodsmoke and Typewriter put Brown beside #231b20, as the accent.
Burgundy #800020
shipped4 real palettes, including Mailchimp's brand system and Candlelight put Burgundy beside #231b20, as the accent.
Burlywood #deb887
shippedBurlywood is paired with #231b20 in 6 real palettes, including Kiln and Coffee Bar, as the accent.
Real palettes that use #231b20
Tints & shades
Harmonies
Contrast
| #231b20 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 16.81:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.25:1 | 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 #231b20 as the background.
Brands using this color
- Allbirdsprimary · #241c24 · Δ0.796
- Pinteresttext · #211922 · Δ1.026
- Victoria's Secretprimary · #221d1d · Δ1.076
- Victoria's Secrettext · #221d1d · Δ1.076
- Appleprimary · #221e1f · Δ1.152
- Nokiatext · #1d1e20 · Δ1.504
- Figmatext · #1e1e1e · Δ1.552
- Formula 1text · #1c1c25 · Δ1.566
- WhatsAppprimary · #1c1e21 · Δ1.594
- WhatsApptext · #1c1e21 · Δ1.594
- Braveprimary · #1c1c1d · Δ1.599
- Bravetext · #1c1c1d · Δ1.599
- GitLabtext · #1f1f1f · Δ1.643
- Googletext · #1f1f1f · Δ1.643
- HubSpottext · #1f1f1f · Δ1.643
- Revoluttext · #1f1f1f · Δ1.643
- Bumbleprimary · #202020 · Δ1.831
- Bumbletext · #202020 · Δ1.831
- ClickUptext · #202020 · Δ1.831
- Lamborghiniprimary · #202020 · Δ1.831
- Lamborghinitext · #202020 · Δ1.831
- Gustoprimary · #1c1b1a · Δ1.898
- Gustotext · #1c1b1a · Δ1.898
- Logitechprimary · #1b1b1b · Δ1.934
- Logitechtext · #1b1b1b · Δ1.934
- N26text · #1b1b1b · Δ1.934
- NASAtext · #1b1b1b · Δ1.934
- Signalprimary · #1b1b1b · Δ1.934
- Signaltext · #1b1b1b · Δ1.934
Palettes built around it
Fresh Juice
Open in tool →Orange, mango and mint — a sugar rush; keep the type black so it stays legible under all that color.
Learning App
Open in tool →Green, blue and orange at full saturation: the gamified-learning look, where every color is a reward.
Playground
Open in tool →Orange, blue and green — the colors of playground equipment; loud, cheerful, obviously for kids.
Woodsmoke
Open in tool →Amber and oxblood on smoky brown — a fireside dark mode that photographs whisky, leather and wool.
Diner
Open in tool →Cherry red, mint-teal and butter yellow — chrome-and-vinyl retro; the red does the work, the teal cools it.
Fonts for this mood
#231b20 reads as warm, muted, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #231b20
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 #231b20 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/231b20-c19fb0-6dcb62-2d1f22-f0e9f1?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