black

#000000

#237F9A

#237F9A

Contrast Ratio

4.57:1

Delta E

56.6

Very Different

50:50 Mix

Color Values

Format #000000 #237F9A
HEX #000000 #237F9A
RGB 0, 0, 0 35, 127, 154
HSL 0.0, 0.0%, 0.0% 193.6, 63.0%, 37.1%
HSV 0.0, 0.0%, 0.0% 193.6, 77.3%, 60.4%
CMYK 0%, 0%, 0%, 100% 77.3%, 17.5%, 0.0%, 39.6%
OKLCH 0.0 0.0 0.0 0.5563 0.092 222.2

Contrast & Accessibility

4.57:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #237F9A → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #237F9A

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #237F9A);
background: linear-gradient(135deg, #000000, #237F9A);

Explore Each Color

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