Cerulean Core Vivid#20B7D5
Ruby Core Vivid#D53E20
VS
Cerulean Core Vivid vs Ruby Core Vivid
A detailed comparison of #20B7D5 and #D53E20 — complementary colors
Contrast & Accessibility
1.94:1contrast ratio
✗ AA Normal✗ AA Large✗ AAA Normal✗ AAA Large
Text on Cerulean Core Vivid
Text on Ruby Core Vivid
Color Properties
#20B7D5
HEX
#D53E20
rgb(32, 183, 213)
RGB
rgb(213, 62, 32)
hsl(190, 74%, 48%)
HSL
hsl(10, 74%, 48%)
190°
Hue
10°
74%
Saturation
74%
48%
Lightness
48%
Blue
Family
Red
Hue Diff
180\u00B0 — Complementary
Gradient Blend
background: linear-gradient(to right, #20B7D5, #D53E20);
Using These Colors Together
With a contrast ratio of 1.94:1, 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 Vivid
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Ruby Core Vivid
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