black

#000000

#237D9D

#237D9D

Contrast Ratio

4.49:1

Delta E

56.61

Very Different

50:50 Mix

Color Values

Format #000000 #237D9D
HEX #000000 #237D9D
RGB 0, 0, 0 35, 125, 157
HSL 0.0, 0.0%, 0.0% 195.7, 63.5%, 37.6%
HSV 0.0, 0.0%, 0.0% 195.7, 77.7%, 61.6%
CMYK 0%, 0%, 0%, 100% 77.7%, 20.4%, 0.0%, 38.4%
OKLCH 0.0 0.0 0.0 0.5527 0.0948 226.7

Contrast & Accessibility

4.49:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #237D9D → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #237D9D

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #237D9D);
background: linear-gradient(135deg, #000000, #237D9D);

Explore Each Color

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