black

#000000

#3F7BA5

#3F7BA5

Contrast Ratio

4.59:1

Delta E

57.29

Very Different

50:50 Mix

Color Values

Format #000000 #3F7BA5
HEX #000000 #3F7BA5
RGB 0, 0, 0 63, 123, 165
HSL 0.0, 0.0%, 0.0% 204.7, 44.7%, 44.7%
HSV 0.0, 0.0%, 0.0% 204.7, 61.8%, 64.7%
CMYK 0%, 0%, 0%, 100% 61.8%, 25.5%, 0.0%, 35.3%
OKLCH 0.0 0.0 0.0 0.5609 0.0904 241.4

Contrast & Accessibility

4.59:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F7BA5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F7BA5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F7BA5);
background: linear-gradient(135deg, #000000, #3F7BA5);

Explore Each Color

Related Comparisons