black

#000000

#21857B

#21857B

Contrast Ratio

4.71:1

Delta E

58.57

Very Different

50:50 Mix

Color Values

Format #000000 #21857B
HEX #000000 #21857B
RGB 0, 0, 0 33, 133, 123
HSL 0.0, 0.0%, 0.0% 174.0, 60.2%, 32.5%
HSV 0.0, 0.0%, 0.0% 174.0, 75.2%, 52.2%
CMYK 0%, 0%, 0%, 100% 75.2%, 0.0%, 7.5%, 47.8%
OKLCH 0.0 0.0 0.0 0.559 0.0894 185.0

Contrast & Accessibility

4.71:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21857B → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21857B

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21857B);
background: linear-gradient(135deg, #000000, #21857B);

Explore Each Color

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