black

#000000

#3F7B71

#3F7B71

Contrast Ratio

4.28:1

Delta E

52.42

Very Different

50:50 Mix

Color Values

Format #000000 #3F7B71
HEX #000000 #3F7B71
RGB 0, 0, 0 63, 123, 113
HSL 0.0, 0.0%, 0.0% 170.0, 32.3%, 36.5%
HSV 0.0, 0.0%, 0.0% 170.0, 48.8%, 48.2%
CMYK 0%, 0%, 0%, 100% 48.8%, 0.0%, 8.1%, 51.8%
OKLCH 0.0 0.0 0.0 0.5394 0.0649 181.7

Contrast & Accessibility

4.28:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F7B71 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F7B71

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F7B71);
background: linear-gradient(135deg, #000000, #3F7B71);

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