black

#000000

#397FC7

#397FC7

Contrast Ratio

5.03:1

Delta E

68.04

Very Different

50:50 Mix

Color Values

Format #000000 #397FC7
HEX #000000 #397FC7
RGB 0, 0, 0 57, 127, 199
HSL 0.0, 0.0%, 0.0% 210.4, 55.9%, 50.2%
HSV 0.0, 0.0%, 0.0% 210.4, 71.4%, 78.0%
CMYK 0%, 0%, 0%, 100% 71.4%, 36.2%, 0.0%, 22.0%
OKLCH 0.0 0.0 0.0 0.5863 0.1312 251.6

Contrast & Accessibility

5.03:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #397FC7 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #397FC7

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #397FC7);
background: linear-gradient(135deg, #000000, #397FC7);

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