black

#000000

#21799F

#21799F

Contrast Ratio

4.3:1

Delta E

56.34

Very Different

50:50 Mix

Color Values

Format #000000 #21799F
HEX #000000 #21799F
RGB 0, 0, 0 33, 121, 159
HSL 0.0, 0.0%, 0.0% 198.1, 65.6%, 37.6%
HSV 0.0, 0.0%, 0.0% 198.1, 79.2%, 62.4%
CMYK 0%, 0%, 0%, 100% 79.2%, 23.9%, 0.0%, 37.6%
OKLCH 0.0 0.0 0.0 0.5432 0.099 231.9

Contrast & Accessibility

4.3:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21799F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21799F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21799F);
background: linear-gradient(135deg, #000000, #21799F);

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