black

#000000

#213B8F

#213B8F

Contrast Ratio

2.09:1

Delta E

60.71

Very Different

50:50 Mix

Color Values

Format #000000 #213B8F
HEX #000000 #213B8F
RGB 0, 0, 0 33, 59, 143
HSL 0.0, 0.0%, 0.0% 225.8, 62.5%, 34.5%
HSV 0.0, 0.0%, 0.0% 225.8, 76.9%, 56.1%
CMYK 0%, 0%, 0%, 100% 76.9%, 58.7%, 0.0%, 43.9%
OKLCH 0.0 0.0 0.0 0.3868 0.1427 266.5

Contrast & Accessibility

2.09:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #213B8F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #213B8F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #213B8F);
background: linear-gradient(135deg, #000000, #213B8F);

Explore Each Color

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