CSS color

steelblue

#4682b4

hex#4682b4

rgbrgb(70, 130, 180)

hslhsl(207, 44%, 49%)

oklchoklch(0.588 0.099 245.7)

Relative luminance 0.2056

Cool Modern

Open in palette tool Check contrast

Steelblue 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 curated palettes it appears in and any public brand that adopts it.

Tints & shades

Tints — toward white

568fbd 689bc4 7ba7cc 8db3d3 a0c0da aec9e0 c1d6e7 d3e2ee e5eef5 f8fafc

Shades — toward black

4078a5 396a93 336084 2c5372 274863 1f3b51 1a3042 132330 0d1821 060b0f

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

Harmonies

Complementary

Open in tool →

4682b4 b47746

#b47746

Analogous

Open in tool →

4682b4 46b4ae 464bb4

#46b4ae · #464bb4

Triadic

Open in tool →

4682b4 b44682 82b446

#b44682 · #82b446

Split-complementary

Open in tool →

4682b4 b4464b b4ae46

#b4464b · #b4ae46

Tetradic

Open in tool →

4682b4 ae46b4 b47746 4bb446

#ae46b4 · #b47746 · #4bb446

Contrast

steelblue as text	Ratio	AA	AA large	AAA	Fix
Aaon white	4.11:1	fail	pass	fail	AA: use #427aa9 as the text (4.58:1) AAA: use #315b7d as the text (7.18:1) AA: or shift the background to #121212 (4.56:1)
Aaon black	5.11:1	pass	pass	fail	AAA: use #689bc4 as the text (7.07:1)

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

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

steelblue reads as cool, modern. The font library is tagged with the same vocabulary:

Modern fonts →

mcpConnect your agent — build around steelblue

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 #4682b4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4682b4-9cadc4-df4e53-1f212d-e9f1f1?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