black

#000000

#638CF2

#638CF2

Contrast Ratio

6.56:1

Delta E

83.14

Very Different

50:50 Mix

Color Values

Format #000000 #638CF2
HEX #000000 #638CF2
RGB 0, 0, 0 99, 140, 242
HSL 0.0, 0.0%, 0.0% 222.8, 84.6%, 66.9%
HSV 0.0, 0.0%, 0.0% 222.8, 59.1%, 94.9%
CMYK 0%, 0%, 0%, 100% 59.1%, 42.1%, 0.0%, 5.1%
OKLCH 0.0 0.0 0.0 0.6583 0.1586 265.7

Contrast & Accessibility

6.56:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #638CF2 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #638CF2

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #638CF2);
background: linear-gradient(135deg, #000000, #638CF2);

Explore Each Color

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