black

#000000

#237CDC

#237CDC

Contrast Ratio

4.99:1

Delta E

76.93

Very Different

50:50 Mix

Color Values

Format #000000 #237CDC
HEX #000000 #237CDC
RGB 0, 0, 0 35, 124, 220
HSL 0.0, 0.0%, 0.0% 211.1, 72.5%, 50.0%
HSV 0.0, 0.0%, 0.0% 211.1, 84.1%, 86.3%
CMYK 0%, 0%, 0%, 100% 84.1%, 43.6%, 0.0%, 13.7%
OKLCH 0.0 0.0 0.0 0.5864 0.1674 254.2

Contrast & Accessibility

4.99:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #237CDC → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #237CDC

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #237CDC);
background: linear-gradient(135deg, #000000, #237CDC);

Explore Each Color

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