black

#000000

#3F7B87

#3F7B87

Contrast Ratio

4.39:1

Delta E

52.3

Very Different

50:50 Mix

Color Values

Format #000000 #3F7B87
HEX #000000 #3F7B87
RGB 0, 0, 0 63, 123, 135
HSL 0.0, 0.0%, 0.0% 190.0, 36.4%, 38.8%
HSV 0.0, 0.0%, 0.0% 190.0, 53.3%, 52.9%
CMYK 0%, 0%, 0%, 100% 53.3%, 8.9%, 0.0%, 47.1%
OKLCH 0.0 0.0 0.0 0.5475 0.0649 212.2

Contrast & Accessibility

4.39:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F7B87 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F7B87

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F7B87);
background: linear-gradient(135deg, #000000, #3F7B87);

Explore Each Color

Related Comparisons