black

#000000

#3F7EDD

#3F7EDD

Contrast Ratio

5.24:1

Delta E

76.93

Very Different

50:50 Mix

Color Values

Format #000000 #3F7EDD
HEX #000000 #3F7EDD
RGB 0, 0, 0 63, 126, 221
HSL 0.0, 0.0%, 0.0% 216.1, 69.9%, 55.7%
HSV 0.0, 0.0%, 0.0% 216.1, 71.5%, 86.7%
CMYK 0%, 0%, 0%, 100% 71.5%, 43.0%, 0.0%, 13.3%
OKLCH 0.0 0.0 0.0 0.5996 0.1588 258.5

Contrast & Accessibility

5.24:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F7EDD → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F7EDD

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F7EDD);
background: linear-gradient(135deg, #000000, #3F7EDD);

Explore Each Color

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