black

#000000

#3F50DB

#3F50DB

Contrast Ratio

3.38:1

Delta E

92.53

Very Different

50:50 Mix

Color Values

Format #000000 #3F50DB
HEX #000000 #3F50DB
RGB 0, 0, 0 63, 80, 219
HSL 0.0, 0.0%, 0.0% 233.5, 68.4%, 55.3%
HSV 0.0, 0.0%, 0.0% 233.5, 71.2%, 85.9%
CMYK 0%, 0%, 0%, 100% 71.2%, 63.5%, 0.0%, 14.1%
OKLCH 0.0 0.0 0.0 0.5078 0.2106 271.2

Contrast & Accessibility

3.38:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F50DB → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F50DB

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F50DB);
background: linear-gradient(135deg, #000000, #3F50DB);

Explore Each Color

Related Comparisons