black

#000000

#397B5C

#397B5C

Contrast Ratio

4.16:1

Delta E

55.96

Very Different

50:50 Mix

Color Values

Format #000000 #397B5C
HEX #000000 #397B5C
RGB 0, 0, 0 57, 123, 92
HSL 0.0, 0.0%, 0.0% 151.8, 36.7%, 35.3%
HSV 0.0, 0.0%, 0.0% 151.8, 53.7%, 48.2%
CMYK 0%, 0%, 0%, 100% 53.7%, 0.0%, 25.2%, 51.8%
OKLCH 0.0 0.0 0.0 0.5305 0.0843 161.1

Contrast & Accessibility

4.16:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #397B5C → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #397B5C

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #397B5C);
background: linear-gradient(135deg, #000000, #397B5C);

Explore Each Color

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