black

#000000

#3F7B9B

#3F7B9B

Contrast Ratio

4.52:1

Delta E

55.02

Very Different

50:50 Mix

Color Values

Format #000000 #3F7B9B
HEX #000000 #3F7B9B
RGB 0, 0, 0 63, 123, 155
HSL 0.0, 0.0%, 0.0% 200.9, 42.2%, 42.7%
HSV 0.0, 0.0%, 0.0% 200.9, 59.4%, 60.8%
CMYK 0%, 0%, 0%, 100% 59.4%, 20.6%, 0.0%, 39.2%
OKLCH 0.0 0.0 0.0 0.5561 0.0797 234.0

Contrast & Accessibility

4.52:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F7B9B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F7B9B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F7B9B);
background: linear-gradient(135deg, #000000, #3F7B9B);

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