black

#000000

#213B4F

#213B4F

Contrast Ratio

1.8:1

Delta E

28.37

Very Different

50:50 Mix

Color Values

Format #000000 #213B4F
HEX #000000 #213B4F
RGB 0, 0, 0 33, 59, 79
HSL 0.0, 0.0%, 0.0% 206.1, 41.1%, 22.0%
HSV 0.0, 0.0%, 0.0% 206.1, 58.2%, 31.0%
CMYK 0%, 0%, 0%, 100% 58.2%, 25.3%, 0.0%, 69.0%
OKLCH 0.0 0.0 0.0 0.3409 0.0477 243.0

Contrast & Accessibility

1.8:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #213B4F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #213B4F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #213B4F);
background: linear-gradient(135deg, #000000, #213B4F);

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