#637CCC

#637CCC

white

#FFFFFF

Contrast Ratio

3.97:1

Delta E

65.7

Very Different

50:50 Mix

Color Values

Format #637CCC #FFFFFF
HEX #637CCC #FFFFFF
RGB 99, 124, 204 255, 255, 255
HSL 225.7, 50.7%, 59.4% 0.0, 0.0%, 100.0%
HSV 225.7, 51.5%, 80.0% 0.0, 0.0%, 100.0%
CMYK 51.5%, 39.2%, 0.0%, 20.0% 0.0%, 0.0%, 0.0%, 0.0%
OKLCH 0.6032 0.1254 269.3 1.0 0.0 89.9

Contrast & Accessibility

3.97:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #FFFFFF → Background: #637CCC

The quick brown fox jumps over the lazy dog

Text: #637CCC → Background: #FFFFFF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #637CCC, #FFFFFF);
background: linear-gradient(135deg, #637CCC, #FFFFFF);

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