black

#000000

#248F7B

#248F7B

Contrast Ratio

5.29:1

Delta E

63.62

Very Different

50:50 Mix

Color Values

Format #000000 #248F7B
HEX #000000 #248F7B
RGB 0, 0, 0 36, 143, 123
HSL 0.0, 0.0%, 0.0% 168.8, 59.8%, 35.1%
HSV 0.0, 0.0%, 0.0% 168.8, 74.8%, 56.1%
CMYK 0%, 0%, 0%, 100% 74.8%, 0.0%, 14.0%, 43.9%
OKLCH 0.0 0.0 0.0 0.5862 0.0987 177.0

Contrast & Accessibility

5.29:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #248F7B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #248F7B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #248F7B);
background: linear-gradient(135deg, #000000, #248F7B);

Explore Each Color

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