Cerulean Core Muted#648990
Ruby Core Muted#906C64
VS
Cerulean Core Muted vs Ruby Core Muted
A detailed comparison of #648990 and #906C64 — complementary colors
Contrast & Accessibility
1.22:1contrast ratio
✗ AA Normal✗ AA Large✗ AAA Normal✗ AAA Large
Text on Cerulean Core Muted
Text on Ruby Core Muted
Color Properties
#648990
HEX
#906C64
rgb(100, 137, 144)
RGB
rgb(144, 108, 100)
hsl(190, 18%, 48%)
HSL
hsl(10, 18%, 48%)
190°
Hue
10°
18%
Saturation
18%
48%
Lightness
48%
Blue
Family
Red
Hue Diff
180\u00B0 — Complementary
Gradient Blend
background: linear-gradient(to right, #648990, #906C64);
Using These Colors Together
With a contrast ratio of 1.22:1, this pair does not meet WCAG guidelines for text. Use these colors as adjacent blocks, gradients, or decorative accents rather than text-on-background pairings.
These colors have a 180\u00B0 hue difference, making them complementary. Their high contrast creates visual energy — great for call-to-action buttons, hero sections, and brand accents.
Cerulean Core Muted
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Ruby Core Muted
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