black

#000000

#3F9CD1

#3F9CD1

Contrast Ratio

6.89:1

Delta E

71.25

Very Different

50:50 Mix

Color Values

Format #000000 #3F9CD1
HEX #000000 #3F9CD1
RGB 0, 0, 0 63, 156, 209
HSL 0.0, 0.0%, 0.0% 201.8, 61.3%, 53.3%
HSV 0.0, 0.0%, 0.0% 201.8, 69.9%, 82.0%
CMYK 0%, 0%, 0%, 100% 69.9%, 25.4%, 0.0%, 18.0%
OKLCH 0.0 0.0 0.0 0.6604 0.1171 237.4

Contrast & Accessibility

6.89:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F9CD1 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F9CD1

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F9CD1);
background: linear-gradient(135deg, #000000, #3F9CD1);

Explore Each Color

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