black

#000000

#3F559D

#3F559D

Contrast Ratio

3.0:1

Delta E

58.23

Very Different

50:50 Mix

Color Values

Format #000000 #3F559D
HEX #000000 #3F559D
RGB 0, 0, 0 63, 85, 157
HSL 0.0, 0.0%, 0.0% 226.0, 42.7%, 43.1%
HSV 0.0, 0.0%, 0.0% 226.0, 59.9%, 61.6%
CMYK 0%, 0%, 0%, 100% 59.9%, 45.9%, 0.0%, 38.4%
OKLCH 0.0 0.0 0.0 0.4692 0.1193 268.7

Contrast & Accessibility

3.0:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F559D → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F559D

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F559D);
background: linear-gradient(135deg, #000000, #3F559D);

Explore Each Color

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