black

#000000

#3F7C80

#3F7C80

Contrast Ratio

4.41:1

Delta E

52.39

Very Different

50:50 Mix

Color Values

Format #000000 #3F7C80
HEX #000000 #3F7C80
RGB 0, 0, 0 63, 124, 128
HSL 0.0, 0.0%, 0.0% 183.7, 34.0%, 37.5%
HSV 0.0, 0.0%, 0.0% 183.7, 50.8%, 50.2%
CMYK 0%, 0%, 0%, 100% 50.8%, 3.1%, 0.0%, 49.8%
OKLCH 0.0 0.0 0.0 0.5473 0.0634 201.1

Contrast & Accessibility

4.41:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F7C80 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F7C80

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F7C80);
background: linear-gradient(135deg, #000000, #3F7C80);

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