black

#000000

#3F789B

#3F789B

Contrast Ratio

4.37:1

Delta E

54.55

Very Different

50:50 Mix

Color Values

Format #000000 #3F789B
HEX #000000 #3F789B
RGB 0, 0, 0 63, 120, 155
HSL 0.0, 0.0%, 0.0% 202.8, 42.2%, 42.7%
HSV 0.0, 0.0%, 0.0% 202.8, 59.4%, 60.8%
CMYK 0%, 0%, 0%, 100% 59.4%, 22.6%, 0.0%, 39.2%
OKLCH 0.0 0.0 0.0 0.5489 0.0812 237.7

Contrast & Accessibility

4.37:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F789B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F789B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F789B);
background: linear-gradient(135deg, #000000, #3F789B);

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