black

#000000

#638AF0

#638AF0

Contrast Ratio

6.42:1

Delta E

82.73

Very Different

50:50 Mix

Color Values

Format #000000 #638AF0
HEX #000000 #638AF0
RGB 0, 0, 0 99, 138, 240
HSL 0.0, 0.0%, 0.0% 223.4, 82.5%, 66.5%
HSV 0.0, 0.0%, 0.0% 223.4, 58.8%, 94.1%
CMYK 0%, 0%, 0%, 100% 58.8%, 42.5%, 0.0%, 5.9%
OKLCH 0.0 0.0 0.0 0.6531 0.1583 266.4

Contrast & Accessibility

6.42:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #638AF0 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #638AF0

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #638AF0);
background: linear-gradient(135deg, #000000, #638AF0);

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