black

#000000

#638ABF

#638ABF

Contrast Ratio

5.92:1

Delta E

65.0

Very Different

50:50 Mix

Color Values

Format #000000 #638ABF
HEX #000000 #638ABF
RGB 0, 0, 0 99, 138, 191
HSL 0.0, 0.0%, 0.0% 214.6, 41.8%, 56.9%
HSV 0.0, 0.0%, 0.0% 214.6, 48.2%, 74.9%
CMYK 0%, 0%, 0%, 100% 48.2%, 27.7%, 0.0%, 25.1%
OKLCH 0.0 0.0 0.0 0.6265 0.0916 256.3

Contrast & Accessibility

5.92:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #638ABF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #638ABF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

Related Comparisons