black

#000000

#238F9F

#238F9F

Contrast Ratio

5.5:1

Delta E

61.85

Very Different

50:50 Mix

Color Values

Format #000000 #238F9F
HEX #000000 #238F9F
RGB 0, 0, 0 35, 143, 159
HSL 0.0, 0.0%, 0.0% 187.7, 63.9%, 38.0%
HSV 0.0, 0.0%, 0.0% 187.7, 78.0%, 62.4%
CMYK 0%, 0%, 0%, 100% 78.0%, 10.1%, 0.0%, 37.6%
OKLCH 0.0 0.0 0.0 0.599 0.0948 209.9

Contrast & Accessibility

5.5:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #238F9F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #238F9F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #238F9F);
background: linear-gradient(135deg, #000000, #238F9F);

Explore Each Color

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