black

#000000

#638C97

#638C97

Contrast Ratio

5.73:1

Delta E

57.79

Very Different

50:50 Mix

Color Values

Format #000000 #638C97
HEX #000000 #638C97
RGB 0, 0, 0 99, 140, 151
HSL 0.0, 0.0%, 0.0% 192.7, 20.8%, 49.0%
HSV 0.0, 0.0%, 0.0% 192.7, 34.4%, 59.2%
CMYK 0%, 0%, 0%, 100% 34.4%, 7.3%, 0.0%, 40.8%
OKLCH 0.0 0.0 0.0 0.614 0.048 216.2

Contrast & Accessibility

5.73:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #638C97 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #638C97

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #638C97);
background: linear-gradient(135deg, #000000, #638C97);

Explore Each Color

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