black

#000000

#644EA4

#644EA4

Contrast Ratio

3.17:1

Delta E

65.79

Very Different

50:50 Mix

Color Values

Format #000000 #644EA4
HEX #000000 #644EA4
RGB 0, 0, 0 100, 78, 164
HSL 0.0, 0.0%, 0.0% 255.3, 35.5%, 47.5%
HSV 0.0, 0.0%, 0.0% 255.3, 52.4%, 64.3%
CMYK 0%, 0%, 0%, 100% 39.0%, 52.4%, 0.0%, 35.7%
OKLCH 0.0 0.0 0.0 0.489 0.1334 292.6

Contrast & Accessibility

3.17:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #644EA4 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #644EA4

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #644EA4);
background: linear-gradient(135deg, #000000, #644EA4);

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