black

#000000

#217D8F

#217D8F

Contrast Ratio

4.39:1

Delta E

54.92

Very Different

50:50 Mix

Color Values

Format #000000 #217D8F
HEX #000000 #217D8F
RGB 0, 0, 0 33, 125, 143
HSL 0.0, 0.0%, 0.0% 189.8, 62.5%, 34.5%
HSV 0.0, 0.0%, 0.0% 189.8, 76.9%, 56.1%
CMYK 0%, 0%, 0%, 100% 76.9%, 12.6%, 0.0%, 43.9%
OKLCH 0.0 0.0 0.0 0.5458 0.0863 214.0

Contrast & Accessibility

4.39:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #217D8F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #217D8F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #217D8F);
background: linear-gradient(135deg, #000000, #217D8F);

Explore Each Color

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