black

#000000

#3F61B3

#3F61B3

Contrast Ratio

3.57:1

Delta E

65.28

Very Different

50:50 Mix

Color Values

Format #000000 #3F61B3
HEX #000000 #3F61B3
RGB 0, 0, 0 63, 97, 179
HSL 0.0, 0.0%, 0.0% 222.4, 47.9%, 47.5%
HSV 0.0, 0.0%, 0.0% 222.4, 64.8%, 70.2%
CMYK 0%, 0%, 0%, 100% 64.8%, 45.8%, 0.0%, 29.8%
OKLCH 0.0 0.0 0.0 0.5098 0.1357 265.0

Contrast & Accessibility

3.57:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F61B3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F61B3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F61B3);
background: linear-gradient(135deg, #000000, #3F61B3);

Explore Each Color

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