black

#000000

#66779F

#66779F

Contrast Ratio

4.7:1

Delta E

55.5

Very Different

50:50 Mix

Color Values

Format #000000 #66779F
HEX #000000 #66779F
RGB 0, 0, 0 102, 119, 159
HSL 0.0, 0.0%, 0.0% 222.1, 22.9%, 51.2%
HSV 0.0, 0.0%, 0.0% 222.1, 35.8%, 62.4%
CMYK 0%, 0%, 0%, 100% 35.8%, 25.2%, 0.0%, 37.6%
OKLCH 0.0 0.0 0.0 0.5713 0.0653 266.5

Contrast & Accessibility

4.7:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #66779F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #66779F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #66779F);
background: linear-gradient(135deg, #000000, #66779F);

Explore Each Color

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