Brand color

Box Text

#151f26

hex#151f26

rgbrgb(21, 31, 38)

hslhsl(205, 29%, 12%)

oklchoklch(0.233 0.02 239.2)

From Box brand colorsRelative luminance 0.0128

Cool Muted Dark Luxury Bold

Open in palette tool Check contrast

Box Text 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 5 public brands that use it and the palettes it appears in.

Tints & shades

Tints — toward white

263845 354e5f 45667d 537b97 6b92ae 89a8be a3bbcc c0d1dd dbe4eb f8fafb

Shades — toward black

141d24 121b21 121b21 10181e 0e151a 0d1317 0b1014 0b1014 090d10 070b0d

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

Harmonies

Complementary

Open in tool →

151f26 271d16

#271d16

Analogous

Open in tool →

151f26 162726 161727

#162726 · #161727

Triadic

Open in tool →

151f26 271620 202716

#271620 · #202716

Split-complementary

Open in tool →

151f26 271617 272616

#271617 · #272616

Tetradic

Open in tool →

151f26 261627 271d16 172716

#261627 · #271d16 · #172716

Contrast

Box Text as text	Ratio	AA	AA large	AAA	Fix
Aaon white	16.72:1	pass	pass	pass	Passes AAA — no fix needed.
Aaon black	1.26:1	fail	fail	fail	AA: use #537b97 as the text (4.65:1) AAA: use #789cb5 as the text (7.22:1) AA: or shift the background to #858585 (4.53:1) AAA: or shift the background to #a8a8a8 (7.03:1)

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

ff8c00 3b82f6 22c55e fff8e7 1d1d1d

Playground

Open in tool →

Orange, blue and green — the colors of playground equipment; loud, cheerful, obviously for kids.

Bold Playful WarmKids

Fonts for this mood

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

Luxury fonts →Bold fonts →

mcpConnect your agent — build around Box Text

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 #151f26 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/151f26-9cafc4-df4e58-1f212d-e9f1f0?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