black

#000000

#3F7191

#3F7191

Contrast Ratio

3.98:1

Delta E

51.3

Very Different

50:50 Mix

Color Values

Format #000000 #3F7191
HEX #000000 #3F7191
RGB 0, 0, 0 63, 113, 145
HSL 0.0, 0.0%, 0.0% 203.4, 39.4%, 40.8%
HSV 0.0, 0.0%, 0.0% 203.4, 56.6%, 56.9%
CMYK 0%, 0%, 0%, 100% 56.6%, 22.1%, 0.0%, 43.1%
OKLCH 0.0 0.0 0.0 0.5271 0.074 238.4

Contrast & Accessibility

3.98:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #3F7191 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #3F7191

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #3F7191);
background: linear-gradient(135deg, #000000, #3F7191);

Explore Each Color

Related Comparisons