black

#000000

#428BCF

#428BCF

Contrast Ratio

5.83:1

Delta E

69.99

Very Different

50:50 Mix

Color Values

Format #000000 #428BCF
HEX #000000 #428BCF
RGB 0, 0, 0 66, 139, 207
HSL 0.0, 0.0%, 0.0% 208.9, 59.5%, 53.5%
HSV 0.0, 0.0%, 0.0% 208.9, 68.1%, 81.2%
CMYK 0%, 0%, 0%, 100% 68.1%, 32.9%, 0.0%, 18.8%
OKLCH 0.0 0.0 0.0 0.6213 0.1264 249.1

Contrast & Accessibility

5.83:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #428BCF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #428BCF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #428BCF);
background: linear-gradient(135deg, #000000, #428BCF);

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