Color swatch image showing #646B74 with RGB(100,107,116) values
Color swatch image showing #646B74 with RGB(100,107,116) values

#646B74 Color Meaning and Information

Everything you need to know about #646B74 including values, color harmonies, shades, meanings, and applications in design, branding, and everyday visuals.

#646B74 Color Information

#646B74 RGB value is (100, 107, 116). The hex color red value is 100, green is 107, and blue is 116. Its HSL format shows a hue of 214°, saturation of 7 percent, and lightness of 42 percent. The CMYK process values are 14 percent, 8 percent, 0 percent, 55 percent.

#646B74 color swatch
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#646B74 Color Meaning

Color #646B74 signifies sophisticated dusk, muted complexity, and urban shadow. #646B74 dark, desaturated purple-grey evokes twilight, wet pavement, and crushed berries, suggesting a moody, introspective, and modern elegance. Psychologically, color #646B74 is cool, contemplative, and slightly mysterious, encouraging nuanced thought and emotional depth. #646B74 adds a layer of sophisticated shadow to a palette, conveying intelligence, reserved creativity, and a taste for the unconventional. #646B74 color feels both modern and timelessly somber. Symbolically, color #646B74 represents the richness found in darkness, complexity over simplicity, and beauty that is not immediately sweet. #646B74 is the color of a thoughtful evening, intellectual nightlife, or a stormy sky. Culturally, #646B74 appears in avant-garde fashion, moody interior design, and branding for arts or technology that values depth and subtlety. Color #646B74 provides a refined, dark neutral that carries more emotional and chromatic resonance than flat black or grey.

Color Conversion

Convert #646B74 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
#646B74
RGB
rgb(100, 107, 116)
HSL
hsl(214°, 7%, 42%)
CMYK
cmyk(14%, 8%, 0%, 55%)
HSV
hsv(214°, 14%, 45%)
XYZ
13.6656 14.4857 18.5988
Yxy
14.4857 0.2923 0.3099
Hunter Lab
38.0601 -0.0363 -0.3171
CIE-Lab
44.9215 -0.6538 -5.9326

RGB Values & CMYK Values

RGB Values

Red100 / 255 (39%)
39%
Green107 / 255 (42%)
42%
Blue116 / 255 (45%)
45%

CMYK Values

Cyan14 / 100 (14%)
14%
Magenta8 / 100 (8%)
Yellow0 / 100 (0%)
Key (Black)55 / 100 (55%)
55%

Color Variations

#646B74 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

#646B74 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 #646B74 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
#646B74

Sample Text

This is how your text will look with these colors.

Large Text (18pt+)

5.39:1
WCAG AA
WCAG AAA

Normal Text

5.39:1
WCAG AA
WCAG AAA

UI Components

5.39:1
WCAG AA
WCAG AAA

Color Blindness Simulator

See how #646B74 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

#646B74

protanopia

#676772

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

CSS Examples

Background Color

background-color: #646B74;

Text Color

color: #646B74;

Sample Text

Border Color

border: 2px solid #646B74;

Box Shadow

box-shadow: 0 4px 6px #646B7440;

Text Shadow

text-shadow: 2px 2px 4px #646B74;

Sample Text

Gradient

background: linear-gradient(135deg, #646B74 0%, #3c4045 100%);

#646B74 Color FAQs

Frequently asked questions about #646B74 color meaning, symbolism, and applications. Click on any question to expand detailed answers.