Cerulean Nocturne Vivid#0D4C59
Ruby Nocturne Vivid#591A0D
VS
Cerulean Nocturne Vivid vs Ruby Nocturne Vivid
A detailed comparison of #0D4C59 and #591A0D — complementary colors
Contrast & Accessibility
1.39:1contrast ratio
✗ AA Normal✗ AA Large✗ AAA Normal✗ AAA Large
Text on Cerulean Nocturne Vivid
Text on Ruby Nocturne Vivid
Color Properties
#0D4C59
HEX
#591A0D
rgb(13, 76, 89)
RGB
rgb(89, 26, 13)
hsl(190, 74%, 20%)
HSL
hsl(10, 74%, 20%)
190°
Hue
10°
74%
Saturation
74%
20%
Lightness
20%
Blue
Family
Red
Hue Diff
180\u00B0 — Complementary
Gradient Blend
background: linear-gradient(to right, #0D4C59, #591A0D);
Using These Colors Together
With a contrast ratio of 1.39:1, 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 Nocturne Vivid
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Ruby Nocturne Vivid
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