black

#000000

#237F8A

#237F8A

Contrast Ratio

4.47:1

Delta E

55.26

Very Different

50:50 Mix

Color Values

Format #000000 #237F8A
HEX #000000 #237F8A
RGB 0, 0, 0 35, 127, 138
HSL 0.0, 0.0%, 0.0% 186.4, 59.5%, 33.9%
HSV 0.0, 0.0%, 0.0% 186.4, 74.6%, 54.1%
CMYK 0%, 0%, 0%, 100% 74.6%, 8.0%, 0.0%, 45.9%
OKLCH 0.0 0.0 0.0 0.5494 0.0839 206.8

Contrast & Accessibility

4.47:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #237F8A → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #237F8A

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #237F8A);
background: linear-gradient(135deg, #000000, #237F8A);

Explore Each Color

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