black

#000000

#21758C

#21758C

Contrast Ratio

3.99:1

Delta E

52.25

Very Different

50:50 Mix

Color Values

Format #000000 #21758C
HEX #000000 #21758C
RGB 0, 0, 0 33, 117, 140
HSL 0.0, 0.0%, 0.0% 192.9, 61.8%, 33.9%
HSV 0.0, 0.0%, 0.0% 192.9, 76.4%, 54.9%
CMYK 0%, 0%, 0%, 100% 76.4%, 16.4%, 0.0%, 45.1%
OKLCH 0.0 0.0 0.0 0.5239 0.0847 220.4

Contrast & Accessibility

3.99:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21758C → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21758C

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21758C);
background: linear-gradient(135deg, #000000, #21758C);

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