black

#000000

#638DB4

#638DB4

Contrast Ratio

6.0:1

Delta E

62.4

Very Different

50:50 Mix

Color Values

Format #000000 #638DB4
HEX #000000 #638DB4
RGB 0, 0, 0 99, 141, 180
HSL 0.0, 0.0%, 0.0% 208.9, 35.1%, 54.7%
HSV 0.0, 0.0%, 0.0% 208.9, 45.0%, 70.6%
CMYK 0%, 0%, 0%, 100% 45.0%, 21.7%, 0.0%, 29.4%
OKLCH 0.0 0.0 0.0 0.6281 0.0752 247.3

Contrast & Accessibility

6.0:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #638DB4 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #638DB4

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #638DB4);
background: linear-gradient(135deg, #000000, #638DB4);

Explore Each Color

Related Comparisons