black

#000000

#2137B4

#2137B4

Contrast Ratio

2.27:1

Delta E

83.66

Very Different

50:50 Mix

Color Values

Format #000000 #2137B4
HEX #000000 #2137B4
RGB 0, 0, 0 33, 55, 180
HSL 0.0, 0.0%, 0.0% 231.0, 69.0%, 41.8%
HSV 0.0, 0.0%, 0.0% 231.0, 81.7%, 70.6%
CMYK 0%, 0%, 0%, 100% 81.7%, 69.4%, 0.0%, 29.4%
OKLCH 0.0 0.0 0.0 0.4144 0.1969 267.9

Contrast & Accessibility

2.27:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #2137B4 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #2137B4

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #2137B4);
background: linear-gradient(135deg, #000000, #2137B4);

Explore Each Color

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