black

#000000

#397D7C

#397D7C

Contrast Ratio

4.4:1

Delta E

53.2

Very Different

50:50 Mix

Color Values

Format #000000 #397D7C
HEX #000000 #397D7C
RGB 0, 0, 0 57, 125, 124
HSL 0.0, 0.0%, 0.0% 179.1, 37.4%, 35.7%
HSV 0.0, 0.0%, 0.0% 179.1, 54.4%, 49.0%
CMYK 0%, 0%, 0%, 100% 54.4%, 0.0%, 0.8%, 51.0%
OKLCH 0.0 0.0 0.0 0.5458 0.0686 194.0

Contrast & Accessibility

4.4:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #397D7C → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #397D7C

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #397D7C);
background: linear-gradient(135deg, #000000, #397D7C);

Explore Each Color

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