Named color

Dark

#1b2431

hex#1b2431

rgbrgb(27, 36, 49)

hslhsl(215, 29%, 15%)

oklchoklch(0.258 0.028 257.5)

Relative luminance 0.0172

Cool Muted Dark Luxury Bold

Open in palette tool Check contrast

Dark on this page is the real value, not a screenshot: exact hex, RGB, HSL and OKLCH, ten tints and ten shades, classic harmonies, and WCAG contrast with fixes — plus the 2 public brands that use it and the palettes it appears in.

Tints & shades

Tints — toward white

2a384c 3a4e69 486184 57749e 728cb1 8ca1c0 a6b7ce c0ccdd dee4ed f8fafb

Shades — toward black

19222e 18202b 161d27 141b24 121821 0e131a 0d1117 0b0f14 090c10 070a0d

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

1b2431 31281b

#31281b

Analogous

Open in tool →

1b2431 1b2f31 1d1b31

#1b2f31 · #1d1b31

Triadic

Open in tool →

1b2431 311b24 24311b

#311b24 · #24311b

Split-complementary

Open in tool →

1b2431 311d1b 2f311b

#311d1b · #2f311b

Tetradic

Open in tool →

1b2431 311b2f 31281b 1b311d

#311b2f · #31281b · #1b311d

Contrast

Dark as text	Ratio	AA	AA large	AAA	Fix
Aaon white	15.63:1	pass	pass	pass	Passes AAA — no fix needed.
Aaon black	1.34:1	fail	fail	fail	AA: use #5977a1 as the text (4.58:1) AAA: use #7f97b8 as the text (7.02:1) AA: or shift the background to #8a8a8a (4.53:1) AAA: or shift the background to #b0b0b0 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with Dark as the background.

Brands using this color

Palettes built around it

1f6f8b 7fa2b6 e76f51 f5f8fa 15222e

Alpine

Open in tool →

Glacier blue with a safety-orange accent: technical outdoor gear, not lifestyle.

Cool Clean LightOutdoors

4b5d8a 8b97b3 c07a4e eef0f4 1f2430

Dusk

Open in tool →

Slate blue with a copper accent — calm, professional, slightly editorial; suits consultancies and journals.

Cool Muted Elegant

Fonts for this mood

Dark reads as cool, muted, dark. The font library is tagged with the same vocabulary:

Luxury fonts →Bold fonts →

mcpConnect your agent — build around Dark

live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp

claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp

try this prompt

›analyze #1b2431 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b2431-9ca8c4-df5d4e-201f2d-e9f0f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md