#399CB3

#399CB3

white

#FFFFFF

Contrast Ratio

3.19:1

Delta E

49.74

Very Different

50:50 Mix

#A5CDD9

Color Values

Format #399CB3 #FFFFFF
HEX #399CB3 #FFFFFF
RGB 57, 156, 179 255, 255, 255
HSL 191.3, 51.7%, 46.3% 0.0, 0.0%, 100.0%
HSV 191.3, 68.2%, 70.2% 0.0, 0.0%, 100.0%
CMYK 68.2%, 12.8%, 0.0%, 29.8% 0.0%, 0.0%, 0.0%, 0.0%
OKLCH 0.6451 0.0959 216.2 1.0 0.0 89.9

Contrast & Accessibility

3.19:1
AA Fail AA Large Pass AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #FFFFFF → Background: #399CB3

The quick brown fox jumps over the lazy dog

Text: #399CB3 → Background: #FFFFFF

Color Difference (Delta E)

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

Gradient

#399CB3 #63ACBF #85BCCC #A5CDD9 #C3DDE5 #E1EEF2 #FFFFFF

Color Mixing

#399CB3

100%

#75B4C6

75:25

#A5CDD9

50:50

#D2E6EC

25:75

#FFFFFF

100%

CSS Gradient Code

background: linear-gradient(to right, #399CB3, #FFFFFF);
background: linear-gradient(135deg, #399CB3, #FFFFFF);

Explore Each Color

#399CB3

View full color details

white

View full color details

Related Comparisons