black

#000000

#397F8C

#397F8C

Contrast Ratio

4.59:1

Delta E

54.31

Very Different

50:50 Mix

Color Values

Format #000000 #397F8C
HEX #000000 #397F8C
RGB 0, 0, 0 57, 127, 140
HSL 0.0, 0.0%, 0.0% 189.4, 42.1%, 38.6%
HSV 0.0, 0.0%, 0.0% 189.4, 59.3%, 54.9%
CMYK 0%, 0%, 0%, 100% 59.3%, 9.3%, 0.0%, 45.1%
OKLCH 0.0 0.0 0.0 0.557 0.0725 211.5

Contrast & Accessibility

4.59:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #397F8C → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #397F8C

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #397F8C);
background: linear-gradient(135deg, #000000, #397F8C);

Explore Each Color

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