black

#000000

#223D8C

#223D8C

Contrast Ratio

2.11:1

Delta E

58.06

Very Different

50:50 Mix

Color Values

Format #000000 #223D8C
HEX #000000 #223D8C
RGB 0, 0, 0 34, 61, 140
HSL 0.0, 0.0%, 0.0% 224.7, 60.9%, 34.1%
HSV 0.0, 0.0%, 0.0% 224.7, 75.7%, 54.9%
CMYK 0%, 0%, 0%, 100% 75.7%, 56.4%, 0.0%, 45.1%
OKLCH 0.0 0.0 0.0 0.3889 0.1355 266.0

Contrast & Accessibility

2.11:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #223D8C → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #223D8C

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #223D8C);
background: linear-gradient(135deg, #000000, #223D8C);

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