Warm Blue

Also known as: Dark Soft Violet, Qing Dynasty Dragon, Gorgonzola Blue, Veteran’s Day Blue

Warm Blue sits on the cool side of the spectrum: a lively blue that feels steady and dependable. Try it in corporate branding and SaaS products. Because it leans cool, balancing it with a brown keeps a palette from feeling one-note. On white it reads clearly at 5.70:1 contrast — safe for body text under WCAG AA.

Warm Blue color codes

HEX
#4B57DB
RGB
rgb(75, 87, 219)
RGBA
rgba(75, 87, 219, 1)
HSL
hsl(235, 67%, 58%)
HSV
hsv(235, 66%, 86%)
CMYK
cmyk(66%, 60%, 0%, 14%)
LAB
lab(42.3 28.4 -70.5)
OKLCH
oklch(52.7% 0.199 273.4)

Color intelligence

sRGB safeShifts in CMYK print

Displays accurately on every screen. Vivid colors like this typically lose some intensity in CMYK print — request a physical proof for brand-critical work.

Temperature

CoolWarm

cool

Nearest standard colors

  • CSS: slateblue#6A5ACD · ΔE 5.1
  • RAL 5007 — Brilliant blue#41678D · ΔE 10.6 · 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 Warm 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: Reads as an interactive accent: fills, hovers, focus rings. Keep body text in a darker neutral.
  • Branding: Best in a brand's supporting palette — packaging interiors, patterns, campaign accents.

Copy as — every ecosystem

Tints, shades, and tones of Warm Blue

Tints (lighter)

Shades (darker)

Tones (muted)

Color harmonies

Palettes built from Warm 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 5.70:1

AA passAAA failAA large pass

Aa — on black

contrast 3.69:1

AA failAAA failAA large pass

Best text color on a Warm Blue background: #ffffff

Palettes featuring Warm Blue

Warm Blue with its complement

Soft neighbors of Warm Blue

Warm Blue triad

Similar colors

Looking for maximum contrast instead? The complement of Warm Blue is closest to Alligator.

Warm Blue FAQs

What color is Warm Blue?

Warm Blue is a medium blue with the hex code #4B57DB. In HSL terms it has a hue of 235°, 67% saturation, and 58% lightness.

What is the hex code for Warm Blue?

The hex code for Warm Blue is #4B57DB. In RGB it's rgb(75, 87, 219), and in CMYK it's cmyk(66%, 60%, 0%, 14%).

What colors go well with Warm Blue?

Warm 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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