black

#000000

#638FE8

#638FE8

Contrast Ratio

6.62:1

Delta E

78.62

Very Different

50:50 Mix

Color Values

Format #000000 #638FE8
HEX #000000 #638FE8
RGB 0, 0, 0 99, 143, 232
HSL 0.0, 0.0%, 0.0% 220.2, 74.3%, 64.9%
HSV 0.0, 0.0%, 0.0% 220.2, 57.3%, 91.0%
CMYK 0%, 0%, 0%, 100% 57.3%, 38.4%, 0.0%, 9.0%
OKLCH 0.0 0.0 0.0 0.6587 0.1417 263.2

Contrast & Accessibility

6.62:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #638FE8 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #638FE8

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #638FE8);
background: linear-gradient(135deg, #000000, #638FE8);

Explore Each Color

Related Comparisons