black

#000000

#638ABC

#638ABC

Contrast Ratio

5.89:1

Delta E

64.15

Very Different

50:50 Mix

Color Values

Format #000000 #638ABC
HEX #000000 #638ABC
RGB 0, 0, 0 99, 138, 188
HSL 0.0, 0.0%, 0.0% 213.7, 39.9%, 56.3%
HSV 0.0, 0.0%, 0.0% 213.7, 47.3%, 73.7%
CMYK 0%, 0%, 0%, 100% 47.3%, 26.6%, 0.0%, 26.3%
OKLCH 0.0 0.0 0.0 0.625 0.0877 255.0

Contrast & Accessibility

5.89:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #638ABC → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #638ABC

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

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