black

#000000

#304EB3

#304EB3

Contrast Ratio

2.87:1

Delta E

72.01

Very Different

50:50 Mix

Color Values

Format #000000 #304EB3
HEX #000000 #304EB3
RGB 0, 0, 0 48, 78, 179
HSL 0.0, 0.0%, 0.0% 226.3, 57.7%, 44.5%
HSV 0.0, 0.0%, 0.0% 226.3, 73.2%, 70.2%
CMYK 0%, 0%, 0%, 100% 73.2%, 56.4%, 0.0%, 29.8%
OKLCH 0.0 0.0 0.0 0.4627 0.1643 267.1

Contrast & Accessibility

2.87:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #304EB3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #304EB3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #304EB3);
background: linear-gradient(135deg, #000000, #304EB3);

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