#21ECF0

#21ECF0

#F02521

#F02521

Contrast Ratio

2.87:1

Delta E

138.8

Very Different

50:50 Mix

Color Values

Format #21ECF0 #F02521
HEX #21ECF0 #F02521
RGB 33, 236, 240 240, 37, 33
HSL 181.2, 87.3%, 53.5% 1.2, 87.3%, 53.5%
HSV 181.2, 86.2%, 94.1% 1.2, 86.2%, 94.1%
CMYK 86.2%, 1.7%, 0.0%, 5.9% 0.0%, 84.6%, 86.2%, 5.9%
OKLCH 0.8571 0.1421 197.1 0.6125 0.2335 28.3

Contrast & Accessibility

2.87:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #F02521 → Background: #21ECF0

The quick brown fox jumps over the lazy dog

Text: #21ECF0 → Background: #F02521

Color Difference (Delta E)

138.8 Very Different
0 — Identical 5 — Similar 25 — Noticeable 100 — Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #21ECF0, #F02521);
background: linear-gradient(135deg, #21ECF0, #F02521);

Explore Each Color

Related Comparisons