#645C6C

Color Details

HEX
#645C6C
RGB
rgb(100, 92, 108)
HSL
hsl(270, 8%, 39%)
CMYK
cmyk(7%, 15%, 0%, 58%)
Best text on this color #FFFFFF (CR 6.38:1) Determined by WCAG contrast ratio

Readability Previews

Black on #645c6c
Contrast 3.29:1 Fail
White on #645c6c
Contrast 6.38:1 AA
#645c6c on Black
Contrast 3.29:1 Fail
#645c6c on White
Contrast 6.38:1 AA

Tints & Shades

#837d89
#a29da7
#c1bec4
#504a56
#3c3741
#28252b

Complement & Analogous

#636b5b
#794e79
#4e4e79

Triadic

#6b635b
#5b6b63

Monochrome

#28252b #3c3741 #645c6c #a29da7 #c1bec4 #e0dee2

Analogous

#4e4e79 #8383a1 #645c6c #947194 #794e79 #613e61

Complementary Mix

#3c3741 #645c6c #a29da7 #636b5b #9a9f94 #40463b

Nearby Colors

#645c6b
#645c6d
#645c5c
#645c7c

Embed #645C6C swatch

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About #645C6C

#645C6C converts to RGB(100, 92, 108) and HSL(270, 8%, 39%). This page provides quick readability checks, related hues (complementary and analogous), and ready-made palettes so you can drop the color into UI components, images, or CSS immediately.

Tip: Use the “Best text” chip above as a safe default foreground on this color (chosen by contrast ratio).

#645C6C FAQs

What is the RGB value of #645C6C?
RGB: 100, 92, 108. Copy as CSS: rgb(100, 92, 108)
Is #645C6C a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #645C6C?
Complement: #636b5b.
Does #645C6C have good contrast on white or black?
On white: 6.38:1 (AA (normal text)). On black: 3.29:1 (AA (large text)).