Cerulean Shadow Clear#21616E
Crimson Nocturne Clear#4F1717
VS
Cerulean Shadow Clear vs Crimson Nocturne Clear
A detailed comparison of #21616E and #4F1717 — complementary colors
Contrast & Accessibility
2.04:1contrast ratio
✗ AA Normal✗ AA Large✗ AAA Normal✗ AAA Large
Text on Cerulean Shadow Clear
Text on Crimson Nocturne Clear
Color Properties
#21616E
HEX
#4F1717
rgb(33, 97, 110)
RGB
rgb(79, 23, 23)
hsl(190, 54%, 28%)
HSL
hsl(0, 54%, 20%)
190°
Hue
0°
54%
Saturation
54%
28%
Lightness
20%
Blue
Family
Red
Hue Diff
170\u00B0 — Complementary
Gradient Blend
background: linear-gradient(to right, #21616E, #4F1717);
Using These Colors Together
With a contrast ratio of 2.04:1, 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 170\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
view_detail →
Crimson Nocturne Clear
view_detail →
Related Comparisons
Cerulean Shadow Clear vs Ruby Shadow Clear
#21616E · #6E2E21
Crimson Nocturne Clear vs Aqua Nocturne Clear
#4F1717 · #174F4F
Sapphire Shadow Clear vs Crimson Nocturne Clear
#21476E · #4F1717
Cerulean Shadow Clear vs Tangerine Nocturne Clear
#21616E · #4F2E17
Sapphire Shadow Clear vs Tangerine Nocturne Clear
#21476E · #4F2E17