Cobalt Shadow Bright#0B3383
Crimson Shadow Bright#830B0B
VS
Cobalt Shadow Bright vs Crimson Shadow Bright
A detailed comparison of #0B3383 and #830B0B — split-complementary colors
Contrast & Accessibility
1.11:1contrast ratio
✗ AA Normal✗ AA Large✗ AAA Normal✗ AAA Large
Text on Cobalt Shadow Bright
Text on Crimson Shadow Bright
Color Properties
#0B3383
HEX
#830B0B
rgb(11, 51, 131)
RGB
rgb(131, 11, 11)
hsl(220, 84%, 28%)
HSL
hsl(0, 84%, 28%)
220°
Hue
0°
84%
Saturation
84%
28%
Lightness
28%
Blue
Family
Red
Hue Diff
140\u00B0 — Split-complementary
Gradient Blend
background: linear-gradient(to right, #0B3383, #830B0B);
Using These Colors Together
With a contrast ratio of 1.11:1, 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 140\u00B0 hue difference, making them split-complementary. They offer moderate contrast — versatile for card designs, illustrations, and layered UI compositions.
Cobalt Shadow Bright
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Crimson Shadow Bright
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