black

#000000

#3F588E

#3F588E

Contrast Ratio

3.0:1

Delta E

50.59

Very Different

50:50 Mix

Color Values

Format #000000 #3F588E
HEX #000000 #3F588E
RGB 0, 0, 0 63, 88, 142
HSL 0.0, 0.0%, 0.0% 221.0, 38.5%, 40.2%
HSV 0.0, 0.0%, 0.0% 221.0, 55.6%, 55.7%
CMYK 0%, 0%, 0%, 100% 55.6%, 38.0%, 0.0%, 44.3%
OKLCH 0.0 0.0 0.0 0.4664 0.0932 264.3

Contrast & Accessibility

3.0:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F588E → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F588E

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F588E);
background: linear-gradient(135deg, #000000, #3F588E);

Explore Each Color

Related Comparisons