black

#000000

#397FC5

#397FC5

Contrast Ratio

5.02:1

Delta E

67.31

Very Different

50:50 Mix

Color Values

Format #000000 #397FC5
HEX #000000 #397FC5
RGB 0, 0, 0 57, 127, 197
HSL 0.0, 0.0%, 0.0% 210.0, 55.1%, 49.8%
HSV 0.0, 0.0%, 0.0% 210.0, 71.1%, 77.3%
CMYK 0%, 0%, 0%, 100% 71.1%, 35.5%, 0.0%, 22.7%
OKLCH 0.0 0.0 0.0 0.5851 0.1287 251.0

Contrast & Accessibility

5.02:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #397FC5 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #397FC5

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #397FC5);
background: linear-gradient(135deg, #000000, #397FC5);

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