black

#000000

#138CAB

#138CAB

Contrast Ratio

5.37:1

Delta E

62.44

Very Different

50:50 Mix

Color Values

Format #000000 #138CAB
HEX #000000 #138CAB
RGB 0, 0, 0 19, 140, 171
HSL 0.0, 0.0%, 0.0% 192.2, 80.0%, 37.3%
HSV 0.0, 0.0%, 0.0% 192.2, 88.9%, 67.1%
CMYK 0%, 0%, 0%, 100% 88.9%, 18.1%, 0.0%, 32.9%
OKLCH 0.0 0.0 0.0 0.5942 0.1057 221.5

Contrast & Accessibility

5.37:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #138CAB → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #138CAB

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #138CAB);
background: linear-gradient(135deg, #000000, #138CAB);

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