black

#000000

#644BCC

#644BCC

Contrast Ratio

3.42:1

Delta E

87.4

Very Different

50:50 Mix

Color Values

Format #000000 #644BCC
HEX #000000 #644BCC
RGB 0, 0, 0 100, 75, 204
HSL 0.0, 0.0%, 0.0% 251.6, 55.8%, 54.7%
HSV 0.0, 0.0%, 0.0% 251.6, 63.2%, 80.0%
CMYK 0%, 0%, 0%, 100% 51.0%, 63.2%, 0.0%, 20.0%
OKLCH 0.0 0.0 0.0 0.513 0.1903 286.5

Contrast & Accessibility

3.42:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #644BCC → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #644BCC

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #644BCC);
background: linear-gradient(135deg, #000000, #644BCC);

Explore Each Color

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