black

#000000

#3F99BA

#3F99BA

Contrast Ratio

6.48:1

Delta E

66.41

Very Different

50:50 Mix

Color Values

Format #000000 #3F99BA
HEX #000000 #3F99BA
RGB 0, 0, 0 63, 153, 186
HSL 0.0, 0.0%, 0.0% 196.1, 49.4%, 48.8%
HSV 0.0, 0.0%, 0.0% 196.1, 66.1%, 72.9%
CMYK 0%, 0%, 0%, 100% 66.1%, 17.7%, 0.0%, 27.1%
OKLCH 0.0 0.0 0.0 0.6426 0.0976 225.7

Contrast & Accessibility

6.48:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F99BA → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F99BA

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F99BA);
background: linear-gradient(135deg, #000000, #3F99BA);

Explore Each Color

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