black

#000000

#307BAC

#307BAC

Contrast Ratio

4.55:1

Delta E

59.45

Very Different

50:50 Mix

Color Values

Format #000000 #307BAC
HEX #000000 #307BAC
RGB 0, 0, 0 48, 123, 172
HSL 0.0, 0.0%, 0.0% 203.7, 56.4%, 43.1%
HSV 0.0, 0.0%, 0.0% 203.7, 72.1%, 67.5%
CMYK 0%, 0%, 0%, 100% 72.1%, 28.5%, 0.0%, 32.5%
OKLCH 0.0 0.0 0.0 0.5589 0.1055 241.1

Contrast & Accessibility

4.55:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #307BAC → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #307BAC

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #307BAC);
background: linear-gradient(135deg, #000000, #307BAC);

Explore Each Color

Related Comparisons