black

#000000

#638CD5

#638CD5

Contrast Ratio

6.24:1

Delta E

72.0

Very Different

50:50 Mix

Color Values

Format #000000 #638CD5
HEX #000000 #638CD5
RGB 0, 0, 0 99, 140, 213
HSL 0.0, 0.0%, 0.0% 218.4, 57.6%, 61.2%
HSV 0.0, 0.0%, 0.0% 218.4, 53.5%, 83.5%
CMYK 0%, 0%, 0%, 100% 53.5%, 34.3%, 0.0%, 16.5%
OKLCH 0.0 0.0 0.0 0.642 0.1193 261.3

Contrast & Accessibility

6.24:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #638CD5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #638CD5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #638CD5);
background: linear-gradient(135deg, #000000, #638CD5);

Explore Each Color

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