SlateGray (Neutral)
#668E8F
RGB: 102, 142, 143
Color OverviewHEX #668E8F
#668E8F Color Code Information
In the RGB color space, #668E8F is composed of 40% red, 56% green, and 56% blue. In the HSL color space, it has a hue of 181°, saturation of 17%, and lightness of 48%.
HEX
#668E8F
RGB
102, 142, 143
HSL
181°, 17%, 48%
HSV
181°, 28.7%, 56.1%
CMYK
29%, 1%, 0%, 44%
Name Match
SlateGray
Closest StandardCSS Code & Tailwind Declarations
Ready-to-use style sheets and arbitrary classes for web development.
CSS Variables
:root {
--color-brand: #668E8F;
}
.element {
color: #668E8F;
background: #668E8F;
}Tailwind v4 Classes
<!-- Tailwind Arbitrary --> <div className="bg-[#668E8F] text-[#668E8F] border-[#668E8F]"> #668E8F </div>
Shades of #668E8F (Darker Variations)
Progressively mixed with black for depth, borders, and shadows.
Tints of #668E8F (Lighter Variations)
Progressively mixed with pure white for subtle backgrounds and badges.
Tones of #668E8F (Muted Variations)
Mixed with neutral gray to create soft, low-contrast variants.
Color Summary
Color NameSlateGray
LuminanceLight (Bright)
Hue Angle181° (Cool/Blue)
Print Ink (K)44% Key Black
Harmonious Color Palettes for #668E8F
Calculated color schemes based on classic geometric color wheel angles for graphic and web design.
Complementary
Analogous
Split Complementary
Monochromatic
WCAG Accessibility Contrast Ratios
Verification against Web Content Accessibility Guidelines (WCAG 2.1) standards for web text readability.
Sample Text on #668E8F Background
Contrast Ratio against Pure White (#FFFFFF):3.6 : 1
WCAG AA (4.5:1)
WCAG AAA (7.0:1)
Sample Text on #668E8F Background
Contrast Ratio against Pure Black (#000000):5.83 : 1
WCAG AA (4.5:1)
WCAG AAA (7.0:1)
Related Popular Colors
Explore more colorsLight
Dark
Light
Light
Dark
Light