black

#000000

#638DF3

#638DF3

Contrast Ratio

6.63:1

Delta E

83.35

Very Different

50:50 Mix

Color Values

Format #000000 #638DF3
HEX #000000 #638DF3
RGB 0, 0, 0 99, 141, 243
HSL 0.0, 0.0%, 0.0% 222.5, 85.7%, 67.1%
HSV 0.0, 0.0%, 0.0% 222.5, 59.3%, 95.3%
CMYK 0%, 0%, 0%, 100% 59.3%, 42.0%, 0.0%, 4.7%
OKLCH 0.0 0.0 0.0 0.661 0.1588 265.4

Contrast & Accessibility

6.63:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #638DF3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #638DF3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #638DF3);
background: linear-gradient(135deg, #000000, #638DF3);

Explore Each Color

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