SlateGray (Neutral)
#636C9C
RGB: 99, 108, 156
Color OverviewHEX #636C9C
#636C9C Color Code Information
In the RGB color space, #636C9C is composed of 39% red, 42% green, and 61% blue. In the HSL color space, it has a hue of 231°, saturation of 22%, and lightness of 50%.
HEX
#636C9C
RGB
99, 108, 156
HSL
231°, 22%, 50%
HSV
231°, 37%, 61%
CMYK
37%, 31%, 0%, 39%
Name Match
SlateGray
Closest StandardCSS Code & Tailwind Declarations
Ready-to-use style sheets and arbitrary classes for web development.
CSS Variables
:root {
--color-brand: #636C9C;
}
.element {
color: #636C9C;
background: #636C9C;
}Tailwind v4 Classes
<!-- Tailwind Arbitrary --> <div className="bg-[#636C9C] text-[#636C9C] border-[#636C9C]"> #636C9C </div>
Shades of #636C9C (Darker Variations)
Progressively mixed with black for depth, borders, and shadows.
Tints of #636C9C (Lighter Variations)
Progressively mixed with pure white for subtle backgrounds and badges.
Tones of #636C9C (Muted Variations)
Mixed with neutral gray to create soft, low-contrast variants.
Color Summary
Color NameSlateGray
LuminanceDark (Deep)
Hue Angle231° (Cool/Blue)
Print Ink (K)39% Key Black
Harmonious Color Palettes for #636C9C
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 #636C9C Background
Contrast Ratio against Pure White (#FFFFFF):5.05 : 1
WCAG AA (4.5:1)
WCAG AAA (7.0:1)
Sample Text on #636C9C Background
Contrast Ratio against Pure Black (#000000):4.16 : 1
WCAG AA (4.5:1)
WCAG AAA (7.0:1)
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