Ruby Tone Bright#EF6043
Cobalt Tone Bright#437CEF
VS
Ruby Tone Bright vs Cobalt Tone Bright
A detailed comparison of #EF6043 and #437CEF — complementary colors
Contrast & Accessibility
1.2:1contrast ratio
✗ AA Normal✗ AA Large✗ AAA Normal✗ AAA Large
Text on Ruby Tone Bright
Text on Cobalt Tone Bright
Color Properties
#EF6043
HEX
#437CEF
rgb(239, 96, 67)
RGB
rgb(67, 124, 239)
hsl(10, 84%, 60%)
HSL
hsl(220, 84%, 60%)
10°
Hue
220°
84%
Saturation
84%
60%
Lightness
60%
Red
Family
Blue
Hue Diff
150\u00B0 — Complementary
Gradient Blend
background: linear-gradient(to right, #EF6043, #437CEF);
Using These Colors Together
With a contrast ratio of 1.2:1, 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 150\u00B0 hue difference, making them complementary. Their high contrast creates visual energy — great for call-to-action buttons, hero sections, and brand accents.
Ruby Tone Bright
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Cobalt Tone Bright
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