black

#000000

#509BCF

#509BCF

Contrast Ratio

6.93:1

Delta E

70.37

Very Different

50:50 Mix

Color Values

Format #000000 #509BCF
HEX #000000 #509BCF
RGB 0, 0, 0 80, 155, 207
HSL 0.0, 0.0%, 0.0% 204.6, 57.0%, 56.3%
HSV 0.0, 0.0%, 0.0% 204.6, 61.4%, 81.2%
CMYK 0%, 0%, 0%, 100% 61.4%, 25.1%, 0.0%, 18.8%
OKLCH 0.0 0.0 0.0 0.6632 0.1077 241.2

Contrast & Accessibility

6.93:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #509BCF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #509BCF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #509BCF);
background: linear-gradient(135deg, #000000, #509BCF);

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