black

#000000

#666BD8

#666BD8

Contrast Ratio

4.66:1

Delta E

80.7

Very Different

50:50 Mix

Color Values

Format #000000 #666BD8
HEX #000000 #666BD8
RGB 0, 0, 0 102, 107, 216
HSL 0.0, 0.0%, 0.0% 237.4, 59.4%, 62.4%
HSV 0.0, 0.0%, 0.0% 237.4, 52.8%, 84.7%
CMYK 0%, 0%, 0%, 100% 52.8%, 50.5%, 0.0%, 15.3%
OKLCH 0.0 0.0 0.0 0.5788 0.1637 278.0

Contrast & Accessibility

4.66:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #666BD8 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #666BD8

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #666BD8);
background: linear-gradient(135deg, #000000, #666BD8);

Explore Each Color

Related Comparisons