black

#000000

#3F87C5

#3F87C5

Contrast Ratio

5.48:1

Delta E

66.91

Very Different

50:50 Mix

Color Values

Format #000000 #3F87C5
HEX #000000 #3F87C5
RGB 0, 0, 0 63, 135, 197
HSL 0.0, 0.0%, 0.0% 207.8, 53.6%, 51.0%
HSV 0.0, 0.0%, 0.0% 207.8, 68.0%, 77.3%
CMYK 0%, 0%, 0%, 100% 68.0%, 31.5%, 0.0%, 22.7%
OKLCH 0.0 0.0 0.0 0.6056 0.119 247.3

Contrast & Accessibility

5.48:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F87C5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F87C5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F87C5);
background: linear-gradient(135deg, #000000, #3F87C5);

Explore Each Color

Related Comparisons