black

#000000

#2289B3

#2289B3

Contrast Ratio

5.3:1

Delta E

62.9

Very Different

50:50 Mix

Color Values

Format #000000 #2289B3
HEX #000000 #2289B3
RGB 0, 0, 0 34, 137, 179
HSL 0.0, 0.0%, 0.0% 197.4, 68.1%, 41.8%
HSV 0.0, 0.0%, 0.0% 197.4, 81.0%, 70.2%
CMYK 0%, 0%, 0%, 100% 81.0%, 23.5%, 0.0%, 29.8%
OKLCH 0.0 0.0 0.0 0.5929 0.1092 231.0

Contrast & Accessibility

5.3:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #2289B3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #2289B3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #2289B3);
background: linear-gradient(135deg, #000000, #2289B3);

Explore Each Color

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