black

#000000

#3F7AB1

#3F7AB1

Contrast Ratio

4.63:1

Delta E

60.71

Very Different

50:50 Mix

Color Values

Format #000000 #3F7AB1
HEX #000000 #3F7AB1
RGB 0, 0, 0 63, 122, 177
HSL 0.0, 0.0%, 0.0% 208.9, 47.5%, 47.1%
HSV 0.0, 0.0%, 0.0% 208.9, 64.4%, 69.4%
CMYK 0%, 0%, 0%, 100% 64.4%, 31.1%, 0.0%, 30.6%
OKLCH 0.0 0.0 0.0 0.5648 0.1056 248.7

Contrast & Accessibility

4.63:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F7AB1 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F7AB1

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F7AB1);
background: linear-gradient(135deg, #000000, #3F7AB1);

Explore Each Color

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