Queen Blue

Also known as: Star Sapphire, Postwar Boom, Honky Tonk Blue, Snake River

A gentle blue with a cool and professional character, Queen Blue works beautifully for SaaS products and finance apps. Reach for a brown companion shade to give Queen Blue maximum contrast. Accessibility-wise, it clears AA for text on white at 5.56:1.

Queen Blue color codes

HEX
#436B95
RGB
rgb(67, 107, 149)
RGBA
rgba(67, 107, 149, 1)
HSL
hsl(211, 38%, 42%)
HSV
hsv(211, 55%, 58%)
CMYK
cmyk(55%, 28%, 0%, 42%)
LAB
lab(43.7 -4.8 -27.7)
OKLCH
oklch(51.7% 0.081 250.7)

Color intelligence

sRGB safe

Displays accurately on every screen and translates well to print.

Temperature

CoolWarm

cool

Nearest standard colors

  • CSS: royalblue#4169E1 · ΔE 8.5
  • RAL 5007 — Brilliant blue#41678D · ΔE 1.7 · approximate

RAL values are widely published approximations of the physical standard. For Pantone-adjacent workflows, match by eye against a physical fan deck — Pantone's values are proprietary and device-dependent, so we don't print lookups.

Where Queen Blue works

  • Web & UI: Use it directly for text on light surfaces; it clears AA contrast without adjustment.
  • Interiors: Use it where you want the eye to land — front door, built-ins, or one bold wall.
  • Fashion: One garment in this color carries an outfit; two starts to compete.
  • Branding: The safest brand-primary family there is; differentiate with an unexpected accent.
  • Web & UI: Use it decoratively — dividers, chart series, illustration accents — and let neutrals carry the type.
  • Branding: Best in a brand's supporting palette — packaging interiors, patterns, campaign accents.

Copy as — every ecosystem

Tints, shades, and tones of Queen Blue

Tints (lighter)

Shades (darker)

Tones (muted)

Color harmonies

Palettes built from Queen Blue by rotating its hue in OKLCH space. Click any swatch to copy its hex code.

Complementary

Analogous

Triadic

Split-complementary

Tetradic

Monochromatic

Contrast & accessibility

Aa — on white

contrast 5.56:1

AA passAAA failAA large pass

Aa — on black

contrast 3.78:1

AA failAAA failAA large pass

Best text color on a Queen Blue background: #ffffff

Palettes featuring Queen Blue

Queen Blue with its complement

Soft neighbors of Queen Blue

Queen Blue triad

Similar colors

Looking for maximum contrast instead? The complement of Queen Blue is closest to Hot Curry.

Queen Blue FAQs

What color is Queen Blue?

Queen Blue is a medium blue with the hex code #436B95. In HSL terms it has a hue of 211°, 38% saturation, and 42% lightness.

What is the hex code for Queen Blue?

The hex code for Queen Blue is #436B95. In RGB it's rgb(67, 107, 149), and in CMYK it's cmyk(55%, 28%, 0%, 42%).

What colors go well with Queen Blue?

Queen Blue pairs naturally with brown tones from its complementary harmony. Its own tints and shades always work as a monochrome scheme.

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