black

#000000

#646DC3

#646DC3

Contrast Ratio

4.52:1

Delta E

70.26

Very Different

50:50 Mix

Color Values

Format #000000 #646DC3
HEX #000000 #646DC3
RGB 0, 0, 0 100, 109, 195
HSL 0.0, 0.0%, 0.0% 234.3, 44.2%, 57.8%
HSV 0.0, 0.0%, 0.0% 234.3, 48.7%, 76.5%
CMYK 0%, 0%, 0%, 100% 48.7%, 44.1%, 0.0%, 23.5%
OKLCH 0.0 0.0 0.0 0.5679 0.1319 276.8

Contrast & Accessibility

4.52:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #646DC3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #646DC3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #646DC3);
background: linear-gradient(135deg, #000000, #646DC3);

Explore Each Color

Related Comparisons