black

#000000

#2188B0

#2188B0

Contrast Ratio

5.21:1

Delta E

62.16

Very Different

50:50 Mix

Color Values

Format #000000 #2188B0
HEX #000000 #2188B0
RGB 0, 0, 0 33, 136, 176
HSL 0.0, 0.0%, 0.0% 196.8, 68.4%, 41.0%
HSV 0.0, 0.0%, 0.0% 196.8, 81.2%, 69.0%
CMYK 0%, 0%, 0%, 100% 81.2%, 22.7%, 0.0%, 31.0%
OKLCH 0.0 0.0 0.0 0.5888 0.1073 229.8

Contrast & Accessibility

5.21:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #2188B0 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #2188B0

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #2188B0);
background: linear-gradient(135deg, #000000, #2188B0);

Explore Each Color

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