black

#000000

#218AB5

#218AB5

Contrast Ratio

5.37:1

Delta E

63.47

Very Different

50:50 Mix

Color Values

Format #000000 #218AB5
HEX #000000 #218AB5
RGB 0, 0, 0 33, 138, 181
HSL 0.0, 0.0%, 0.0% 197.4, 69.2%, 42.0%
HSV 0.0, 0.0%, 0.0% 197.4, 81.8%, 71.0%
CMYK 0%, 0%, 0%, 100% 81.8%, 23.8%, 0.0%, 29.0%
OKLCH 0.0 0.0 0.0 0.5961 0.1109 231.3

Contrast & Accessibility

5.37:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #218AB5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #218AB5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #218AB5);
background: linear-gradient(135deg, #000000, #218AB5);

Explore Each Color

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