black

#000000

#218E9B

#218E9B

Contrast Ratio

5.41:1

Delta E

61.4

Very Different

50:50 Mix

Color Values

Format #000000 #218E9B
HEX #000000 #218E9B
RGB 0, 0, 0 33, 142, 155
HSL 0.0, 0.0%, 0.0% 186.4, 64.9%, 36.9%
HSV 0.0, 0.0%, 0.0% 186.4, 78.7%, 60.8%
CMYK 0%, 0%, 0%, 100% 78.7%, 8.4%, 0.0%, 39.2%
OKLCH 0.0 0.0 0.0 0.5944 0.094 207.2

Contrast & Accessibility

5.41:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #218E9B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #218E9B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #218E9B);
background: linear-gradient(135deg, #000000, #218E9B);

Explore Each Color

Related Comparisons