black

#000000

#2155B5

#2155B5

Contrast Ratio

3.03:1

Delta E

70.12

Very Different

50:50 Mix

Color Values

Format #000000 #2155B5
HEX #000000 #2155B5
RGB 0, 0, 0 33, 85, 181
HSL 0.0, 0.0%, 0.0% 218.9, 69.2%, 42.0%
HSV 0.0, 0.0%, 0.0% 218.9, 81.8%, 71.0%
CMYK 0%, 0%, 0%, 100% 81.8%, 53.0%, 0.0%, 29.0%
OKLCH 0.0 0.0 0.0 0.473 0.1624 261.3

Contrast & Accessibility

3.03:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #2155B5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #2155B5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #2155B5);
background: linear-gradient(135deg, #000000, #2155B5);

Explore Each Color

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