black

#000000

#347B9D

#347B9D

Contrast Ratio

4.47:1

Delta E

55.74

Very Different

50:50 Mix

Color Values

Format #000000 #347B9D
HEX #000000 #347B9D
RGB 0, 0, 0 52, 123, 157
HSL 0.0, 0.0%, 0.0% 199.4, 50.2%, 41.0%
HSV 0.0, 0.0%, 0.0% 199.4, 66.9%, 61.6%
CMYK 0%, 0%, 0%, 100% 66.9%, 21.7%, 0.0%, 38.4%
OKLCH 0.0 0.0 0.0 0.5527 0.0879 232.3

Contrast & Accessibility

4.47:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #347B9D → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #347B9D

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #347B9D);
background: linear-gradient(135deg, #000000, #347B9D);

Explore Each Color

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