black

#000000

#231EB3

#231EB3

Contrast Ratio

1.91:1

Delta E

95.04

Very Different

50:50 Mix

Color Values

Format #000000 #231EB3
HEX #000000 #231EB3
RGB 0, 0, 0 35, 30, 179
HSL 0.0, 0.0%, 0.0% 242.0, 71.3%, 41.0%
HSV 0.0, 0.0%, 0.0% 242.0, 83.2%, 70.2%
CMYK 0%, 0%, 0%, 100% 80.4%, 83.2%, 0.0%, 29.8%
OKLCH 0.0 0.0 0.0 0.3796 0.2183 270.7

Contrast & Accessibility

1.91:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #231EB3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #231EB3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #231EB3);
background: linear-gradient(135deg, #000000, #231EB3);

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