black

#000000

#399CB3

#399CB3

Contrast Ratio

6.58:1

Delta E

66.59

Very Different

50:50 Mix

Color Values

Format #000000 #399CB3
HEX #000000 #399CB3
RGB 0, 0, 0 57, 156, 179
HSL 0.0, 0.0%, 0.0% 191.3, 51.7%, 46.3%
HSV 0.0, 0.0%, 0.0% 191.3, 68.2%, 70.2%
CMYK 0%, 0%, 0%, 100% 68.2%, 12.8%, 0.0%, 29.8%
OKLCH 0.0 0.0 0.0 0.6451 0.0959 216.2

Contrast & Accessibility

6.58:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #399CB3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #399CB3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #399CB3);
background: linear-gradient(135deg, #000000, #399CB3);

Explore Each Color

Related Comparisons