black

#000000

#237D8C

#237D8C

Contrast Ratio

4.38:1

Delta E

54.63

Very Different

50:50 Mix

Color Values

Format #000000 #237D8C
HEX #000000 #237D8C
RGB 0, 0, 0 35, 125, 140
HSL 0.0, 0.0%, 0.0% 188.6, 60.0%, 34.3%
HSV 0.0, 0.0%, 0.0% 188.6, 75.0%, 54.9%
CMYK 0%, 0%, 0%, 100% 75.0%, 10.7%, 0.0%, 45.1%
OKLCH 0.0 0.0 0.0 0.545 0.0841 211.2

Contrast & Accessibility

4.38:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #237D8C → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #237D8C

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #237D8C);
background: linear-gradient(135deg, #000000, #237D8C);

Explore Each Color

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