black

#000000

#3F7DA3

#3F7DA3

Contrast Ratio

4.67:1

Delta E

57.04

Very Different

50:50 Mix

Color Values

Format #000000 #3F7DA3
HEX #000000 #3F7DA3
RGB 0, 0, 0 63, 125, 163
HSL 0.0, 0.0%, 0.0% 202.8, 44.2%, 44.3%
HSV 0.0, 0.0%, 0.0% 202.8, 61.3%, 63.9%
CMYK 0%, 0%, 0%, 100% 61.3%, 23.3%, 0.0%, 36.1%
OKLCH 0.0 0.0 0.0 0.5648 0.087 237.9

Contrast & Accessibility

4.67:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F7DA3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F7DA3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F7DA3);
background: linear-gradient(135deg, #000000, #3F7DA3);

Explore Each Color

Related Comparisons