Cobalt Tone Bright#437CEF
Scarlet Tone Bright#EF5243
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Cobalt Tone Bright vs Scarlet Tone Bright
A detailed comparison of #437CEF and #EF5243 — split-complementary colors
Contrast & Accessibility
1.11:1contrast ratio
✗ AA Normal✗ AA Large✗ AAA Normal✗ AAA Large
Text on Cobalt Tone Bright
Text on Scarlet Tone Bright
Color Properties
#437CEF
HEX
#EF5243
rgb(67, 124, 239)
RGB
rgb(239, 82, 67)
hsl(220, 84%, 60%)
HSL
hsl(5, 84%, 60%)
220°
Hue
5°
84%
Saturation
84%
60%
Lightness
60%
Blue
Family
Red
Hue Diff
145\u00B0 — Split-complementary
Gradient Blend
background: linear-gradient(to right, #437CEF, #EF5243);
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 145\u00B0 hue difference, making them split-complementary. They offer moderate contrast — versatile for card designs, illustrations, and layered UI compositions.
Cobalt Tone Bright
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Scarlet Tone Bright
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