Brand color

Retool Accent

#518dd2

hex#518dd2

rgbrgb(81, 141, 210)

hslhsl(212, 59%, 57%)

oklchoklch(0.634 0.122 253.2)

From Retool brand colorsRelative luminance 0.2545

Cool Modern

Open in palette tool Check contrast

Retool Accent 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 1 public brand that uses it and the palettes it appears in.

Tints & shades

Tints — toward white

6198d6 71a2da 81addf 92b7e3 a6c5e8 b6cfec c6daf0 d6e4f5 e7eff9 f7fafd

Shades — toward black

3c80cd 3071bb 2b64a6 265892 204c7e 1a3d65 153151 10253d 091624 040a10

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

Harmonies

Complementary

Open in tool →

518dd2 d29651

#d29651

Analogous

Open in tool →

518dd2 51ced2 5551d2

#51ced2 · #5551d2

Triadic

Open in tool →

518dd2 d2518d 8dd251

#d2518d · #8dd251

Split-complementary

Open in tool →

518dd2 d25551 ced251

#d25551 · #ced251

Tetradic

Open in tool →

518dd2 d251ce d29651 51d255

#d251ce · #d29651 · #51d255

Contrast

Retool Accent as text	Ratio	AA	AA large	AAA	Fix
Aaon white	3.45:1	fail	pass	fail	AA: use #3378c7 as the text (4.51:1) AAA: use #265892 as the text (7.26:1) AA: or shift the background to #242424 (4.5:1)
Aaon black	6.09:1	pass	pass	fail	AAA: use #659ad7 as the text (7.16:1)

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

Brands using this color

Retoolaccent · #518dd2

Fonts for this mood

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

Modern fonts →

mcpConnect your agent — build around Retool Accent

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 #518dd2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/518dd2-9caac4-df564e-1f202d-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