black

#000000

#3F749F

#3F749F

Contrast Ratio

4.21:1

Delta E

55.15

Very Different

50:50 Mix

Color Values

Format #000000 #3F749F
HEX #000000 #3F749F
RGB 0, 0, 0 63, 116, 159
HSL 0.0, 0.0%, 0.0% 206.9, 43.2%, 43.5%
HSV 0.0, 0.0%, 0.0% 206.9, 60.4%, 62.4%
CMYK 0%, 0%, 0%, 100% 60.4%, 27.0%, 0.0%, 37.6%
OKLCH 0.0 0.0 0.0 0.5412 0.0883 245.0

Contrast & Accessibility

4.21:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F749F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F749F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F749F);
background: linear-gradient(135deg, #000000, #3F749F);

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