#664B8C

Color Details

HEX
#664B8C
RGB
rgb(102, 75, 140)
HSL
hsl(265, 30%, 42%)
CMYK
cmyk(27%, 46%, 0%, 45%)
Best text on this color #FFFFFF (CR 7.12:1) Determined by WCAG contrast ratio

Readability Previews

Black on #664b8c
Contrast 2.95:1 Fail
White on #664b8c
Contrast 7.12:1 AAA
#664b8c on Black
Contrast 2.95:1 Fail
#664b8c on White
Contrast 7.12:1 AAA

Tints & Shades

#856fa3
#a393ba
#c2b7d1
#523c70
#3d2d54
#291e38

Complement & Analogous

#708b4b
#864b8b
#4b508b

Triadic

#8b664b
#4b8b66

Monochrome

#291e38 #3d2d54 #664b8c #a393ba #c2b7d1 #e0dbe8

Analogous

#4b508b #8185ae #664b8c #9e6fa2 #864b8b #6b3c6f

Complementary Mix

#3d2d54 #664b8c #a393ba #708b4b #a2b48a #495a31

Nearby Colors

#664b8b
#664b8d
#664b7c
#664b9c

Embed #664B8C swatch

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About #664B8C

#664B8C converts to RGB(102, 75, 140) and HSL(265, 30%, 42%). 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).

#664B8C FAQs

What is the RGB value of #664B8C?
RGB: 102, 75, 140. Copy as CSS: rgb(102, 75, 140)
Is #664B8C a web-safe color?
No — not in the 216-color “web-safe” palette.
What is the complementary color of #664B8C?
Complement: #708b4b.
Does #664B8C have good contrast on white or black?
On white: 7.12:1 (AAA (normal text)). On black: 2.95:1 (Fails AA).