Smalt (#003399)

HEX, RGB, HSL, CMYK values + mood/style/use-case color tags. Use this page to keep your colors consistent across web and print.

Preview

Sample Text
This is how text may look on this color.
Best text color: #FFFFFF
Contrast vs white: 10.86:1 — vs black: 1.93:1

Color values

  • HEX #003399
  • RGB rgb(0, 51, 153)
  • HSL hsl(220, 100%, 60%)
  • CMYK cmyk( 100, 66.67, 0, 40 )
  • Websafe #003399
Convert this color Check contrast Extract from image Resize/Compress image

Tags

Mood

Bold (205) Playful (195)

Style

Vivid (210) Neon (200)

Use case

Text (210) Button (200) Accent (185)

Tip: tags are heuristic suggestions (helpful for browsing and inspiration).

Color Harmonies

Colors that pair well with #003399 based on color theory relationships.

Complementary

The color directly opposite on the color wheel — creates maximum contrast and vibrance.

Smalt
#003399 Base
Gamboge Orange (brown)
#996600
Analogous

Colors adjacent on the wheel — naturally harmonious and pleasing to the eye.

Smalt
#003399 Base
#008099
#1A0099
Triadic

Three colors equally spaced 120° apart — bold, balanced, and visually rich.

Smalt
#003399 Base
#990033
#339900
Split-Complementary

Two colors flanking the complement — high contrast with less tension than full complementary.

Smalt
#003399 Base
#991A00
#809900
Tetradic (Square)

Four colors at 90° intervals — rich variety, best when one color dominates.

Smalt
#003399 Base
#990080
Gamboge Orange (brown)
#996600
#00991A
Monochromatic

Shades and tints of the same hue — cohesive, elegant, and easy to work with.

Smalt
#003399 Base
#00091A
#001A4D
#002570
#0041C2
#004DE6
#3377FF
Shades & Tints

Darker shades and lighter tints of Smalt, generated by adjusting lightness while keeping the same hue and saturation.

Shades (darker)

— #00091A
— #001133
— #001A4D
— #002266
— #002B80
Smalt #003399 Base
— #0049DB
— #1F69FF
— #6196FF
— #A3C2FF
— #E6EEFF
CSS & SCSS Snippets

Ready-to-use code snippets for #003399. Click the copy button to copy any snippet to your clipboard.

CSS Properties 
/* Background */
.element {
    background-color: #003399;
}

/* Text */
.element {
    color: #003399;
}

/* Border */
.element {
    border: 1px solid #003399;
}
CSS Gradient 
/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #003399,
        #FFBB33
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #003399,
        #FFBB33
    );
}
SCSS Variable 
// SCSS variable
$smalt: #003399;

// With RGB channels (useful for rgba() usage)
$smalt-r: 0;
$smalt-g: 51;
$smalt-b: 153;

// Usage
.element {
    background-color: $smalt;
    color: rgba($smalt-r, $smalt-g, $smalt-b, 0.8);
}
Color Blindness Simulation

How Smalt appears to people with different types of color vision deficiency.

Normal Vision #003399 How the color appears with full color vision.
Deuteranopia #2A2A99 Deuteranopia affects ~8% of males. Green cones are absent, making it difficult to distinguish red from green. The most common form of color blindness.
Protanopia #303099 Protanopia affects ~1% of males. Red cones are absent, causing reds to appear dark and indistinguishable from greens and browns.
Tritanopia #004A4A Tritanopia is rare (~0.003%). Blue cones are absent, making blue and yellow difficult to distinguish. Blues may appear green, yellows appear pink.
Achromatopsia #3D3D3D Achromatopsia is complete color blindness. The world is seen entirely in shades of grey. Affects ~1 in 30,000 people.
Similar Named Colors

The closest named colors to Smalt ranked by perceptual difference (Delta-E 2000 — lower = more similar).

Smalt #003399 Base
Air Force Blue (USAF) #00308F ΔE 1.56
Egyptian Blue #1034A6 ΔE 2.19
Royal Azure #0038A8 ΔE 2.38
UA Blue #0033AA ΔE 2.53

How to use this color

  1. Copy HEX for CSS and design tools, or RGB/HSL for UI adjustments.
  2. Use CMYK when preparing print assets (posters, packaging, brochures).
  3. Check contrast before using it for text or important UI elements.