black

#000000

#213AB8

#213AB8

Contrast Ratio

2.36:1

Delta E

84.34

Very Different

50:50 Mix

Color Values

Format #000000 #213AB8
HEX #000000 #213AB8
RGB 0, 0, 0 33, 58, 184
HSL 0.0, 0.0%, 0.0% 230.1, 69.6%, 42.5%
HSV 0.0, 0.0%, 0.0% 230.1, 82.1%, 72.2%
CMYK 0%, 0%, 0%, 100% 82.1%, 68.5%, 0.0%, 27.8%
OKLCH 0.0 0.0 0.0 0.4235 0.1987 267.4

Contrast & Accessibility

2.36:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #213AB8 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #213AB8

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #213AB8);
background: linear-gradient(135deg, #000000, #213AB8);

Explore Each Color

Related Comparisons