black

#000000

#399ACE

#399ACE

Contrast Ratio

6.69:1

Delta E

70.47

Very Different

50:50 Mix

Color Values

Format #000000 #399ACE
HEX #000000 #399ACE
RGB 0, 0, 0 57, 154, 206
HSL 0.0, 0.0%, 0.0% 200.9, 60.3%, 51.6%
HSV 0.0, 0.0%, 0.0% 200.9, 72.3%, 80.8%
CMYK 0%, 0%, 0%, 100% 72.3%, 25.2%, 0.0%, 19.2%
OKLCH 0.0 0.0 0.0 0.6525 0.1178 236.3

Contrast & Accessibility

6.69:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #399ACE → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #399ACE

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #399ACE);
background: linear-gradient(135deg, #000000, #399ACE);

Explore Each Color

Related Comparisons