black

#000000

#399CCF

#399CCF

Contrast Ratio

6.83:1

Delta E

70.93

Very Different

50:50 Mix

Color Values

Format #000000 #399CCF
HEX #000000 #399CCF
RGB 0, 0, 0 57, 156, 207
HSL 0.0, 0.0%, 0.0% 200.4, 61.0%, 51.8%
HSV 0.0, 0.0%, 0.0% 200.4, 72.5%, 81.2%
CMYK 0%, 0%, 0%, 100% 72.5%, 24.6%, 0.0%, 18.8%
OKLCH 0.0 0.0 0.0 0.6577 0.1176 235.3

Contrast & Accessibility

6.83:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #399CCF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #399CCF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

Related Comparisons