black

#000000

#303F8C

#303F8C

Contrast Ratio

2.22:1

Delta E

57.29

Very Different

50:50 Mix

Color Values

Format #000000 #303F8C
HEX #000000 #303F8C
RGB 0, 0, 0 48, 63, 140
HSL 0.0, 0.0%, 0.0% 230.2, 48.9%, 36.9%
HSV 0.0, 0.0%, 0.0% 230.2, 65.7%, 54.9%
CMYK 0%, 0%, 0%, 100% 65.7%, 55.0%, 0.0%, 45.1%
OKLCH 0.0 0.0 0.0 0.4008 0.1286 271.2

Contrast & Accessibility

2.22:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #303F8C → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #303F8C

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, #303F8C);
background: linear-gradient(135deg, #000000, #303F8C);

Explore Each Color

Related Comparisons