Cerulean Shadow Clear#21616E
Ruby Nocturne Clear#4F2117
VS
Cerulean Shadow Clear vs Ruby Nocturne Clear
A detailed comparison of #21616E and #4F2117 — complementary colors
Contrast & Accessibility
1.92:1contrast ratio
✗ AA Normal✗ AA Large✗ AAA Normal✗ AAA Large
Text on Cerulean Shadow Clear
Text on Ruby Nocturne Clear
Color Properties
#21616E
HEX
#4F2117
rgb(33, 97, 110)
RGB
rgb(79, 33, 23)
hsl(190, 54%, 28%)
HSL
hsl(10, 54%, 20%)
190°
Hue
10°
54%
Saturation
54%
28%
Lightness
20%
Blue
Family
Red
Hue Diff
180\u00B0 — Complementary
Gradient Blend
background: linear-gradient(to right, #21616E, #4F2117);
Using These Colors Together
With a contrast ratio of 1.92:1, 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 Shadow Clear
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Ruby Nocturne Clear
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