black

#000000

#3F588F

#3F588F

Contrast Ratio

3.0:1

Delta E

51.03

Very Different

50:50 Mix

Color Values

Format #000000 #3F588F
HEX #000000 #3F588F
RGB 0, 0, 0 63, 88, 143
HSL 0.0, 0.0%, 0.0% 221.2, 38.8%, 40.4%
HSV 0.0, 0.0%, 0.0% 221.2, 55.9%, 56.1%
CMYK 0%, 0%, 0%, 100% 55.9%, 38.5%, 0.0%, 43.9%
OKLCH 0.0 0.0 0.0 0.467 0.0947 264.5

Contrast & Accessibility

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

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F588F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F588F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F588F);
background: linear-gradient(135deg, #000000, #3F588F);

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