Color swatch image showing Dark Midnight Blue (#003366) with RGB(0,51,102) values

Dark Midnight Blue (#003366) Color Meaning and Information

Everything you need to know about Dark Midnight Blue (#003366) including values, color harmonies, shades, meanings, and applications in design, branding, and everyday visuals.

Dark Midnight Blue (#003366) Color Information

Dark Midnight Blue (#003366) RGB value is (0, 51, 102). The hex color red value is 0, green is 51, and blue is 102. Its HSL format shows a hue of 210°, saturation of 100 percent, and lightness of 20 percent. The CMYK process values are 100 percent, 50 percent, 0 percent, 60 percent.

Dark Midnight Blue
#003366
rgb(0, 51, 102)
ColorMean
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Dark Midnight Blue (#003366) Color Meaning

Dark Midnight Blue (#003366) signifies infinite depth, nocturnal order, and celestial navigation. This very dark blue is the color of a clear night sky moments after sunset, deep ocean trenches, and formal blazers. Psychologically, Dark Midnight Blue (#003366) promotes profound calm, serious intellect, and a sense of vast, structured possibility. It culturally references academic excellence, naval authority, and the backdrop of astronomy. Spiritually, Dark Midnight Blue (#003366) represents the cosmos within, guided exploration of the unknown, and the discipline of the infinite, acting as a map for the journey of the mind and soul.

Color Conversion

Convert Dark Midnight Blue (#003366) across different color models and formats. These conversions help designers work seamlessly between digital and print media, ensuring this color maintains its intended appearance across RGB screens, CMYK printers, and HSL color manipulations.

HEX
#003366
RGB
rgb(0, 51, 102)
HSL
hsl(210°, 100%, 20%)
CMYK
cmyk(100%, 50%, 0%, 60%)
HSV
hsv(210°, 100%, 40%)
XYZ
3.5821 3.3270 13.0237
Yxy
3.3270 0.1797 0.1669
Hunter Lab
18.2401 0.0712 -0.5054
CIE-Lab
21.3085 6.8246 -34.2172

RGB Values & CMYK Values

RGB Values

Red0 / 255 (0%)
Green51 / 255 (20%)
20%
Blue102 / 255 (40%)
40%

CMYK Values

Cyan100 / 100 (100%)
100%
Magenta50 / 100 (50%)
50%
Yellow0 / 100 (0%)
Key (Black)60 / 100 (60%)
60%

Color Variations

Dark Midnight Blue (#003366) harmonies come to life through carefully balanced shades, tints, and tones, giving this color depth and flexibility across light and dark variations. Shades add richness, tints bring an airy softness, and tones soften intensity, making it easy to pair in clean, modern palettes.

Color Harmonies

Dark Midnight Blue (#003366) harmonies create beautiful relationships with other colors based on their position on the color wheel. Each harmony type offers unique design possibilities, enabling cohesive and visually appealing color schemes.

Analogous

Colors adjacent on the color wheel (30° apart)

Complementary

Colors opposite on the color wheel (180° apart)

Split Complementary

Three colors using one base hue and the two hues beside its opposite

Triadic

Three colors evenly spaced (120° apart)

Tetradic

Four colors forming a rectangle on the wheel

Square

Four colors evenly spaced (90° apart)

Double Split

Four colors formed from two base hues and the colors next to their opposites

Monochromatic

Variations of a single hue

Contrast Checker

(WCAG 2.1) Test Dark Midnight Blue (#003366) for accessibility compliance against white and black backgrounds. Proper contrast ensures this color remains readable and usable for all audiences, meeting WCAG 2.1 standards for both normal and large text applications.

#FFFFFF
#003366

Sample Text

This is how your text will look with these colors.

Large Text (18pt+)

12.61:1
WCAG AA
WCAG AAA

Normal Text

12.61:1
WCAG AA
WCAG AAA

UI Components

12.61:1
WCAG AA
WCAG AAA

Color Blindness Simulator

See how #003366 appears to people with different types of color vision deficiencies. These simulations help create more inclusive designs that consider how this color is perceived across various visual abilities.

Normal Vision

Dark Midnight Blue (#003366)

protanopia

#16175a

Note: These simulations are approximations. Actual color vision deficiency varies by individual.

CSS Examples

Background Color

background-color: #003366;

Text Color

color: #003366;

Sample Text

Border Color

border: 2px solid #003366;

Box Shadow

box-shadow: 0 4px 6px #00336640;

Text Shadow

text-shadow: 2px 2px 4px #003366;

Sample Text

Gradient

background: linear-gradient(135deg, #003366 0%, #002243 100%);

Dark Midnight Blue (#003366) Color FAQs

Frequently asked questions about Dark Midnight Blue (#003366) color meaning, symbolism, and applications. Click on any question to expand detailed answers.